Ultramarathon calendar
Want to add your ultramarathon? Click here.
Want to add your ultramarathon? Click here.
PORTUGAL CASTELO BRANCO — 2025-07-16 — Proença-a-Nova. "PT281 Ultramarathon". The PT281® Ultramarathon is a foot race in a natural environment, covering forest trails, country lanes, dirt roads and asphalt. The route passes through the historic and natural landscape of Beira Baixa - Portugal and starts at Belmonte Castle and finishes in Proença-a-Nova. The total length of the route is 281 km, 6,733 D+, with a time limit of 66 hours for completion, in a non stop regime with the use of GPS and in semi self-sufficiency. It crosses 7 municipalities at an extremely hot time of year, with temperatures between 30º and 50º. https://horizontes.pt/en/pt281
UNITED STATES OF AMERICA TEXAS — 2025-07-19 — Bulverde. "Fire Trail Running Festival". The Fire Trail Running Festival is a trail run at night that includes 8K, 25K, and 50K distances through the scenic grasslands and woodlands of Guadalupe River State Park. www.texasoutlawrunning.com/fire
ITALY LOMBARDIA — 2025-07-25 — Chiesa in Valmalenco (Sondrio). "Valmalenco Ultra-distance Trail". www.ultravalmalenco.com
ITALY VENETO — 2025-07-26 — Piovene Rocchette (Vicenza). "Trans d'Havet Ultra". www.transdhavet.it
ITALY EMILIA ROMAGNA — 2025-07-26 — Fanano (Modena). "Cima Tauffi Trail". www.cimatauffifanano.it
NORWAY TRøNDELAG — 2025-08-01 — Meråker. "Meråker Mountain Challenge". The Meråker Mountain Challenge (MMC) is held every year in the beginning of August. There are a plethora of distances - something for everyone! And they all take place on the same Saturday, except the 100 miles distance - "The Death March" - which starts at noon on Friday. Logistically easy to reach by plane (many international flights to/from Trondheim), train, bus or car. Still you will enter the wilderness of Meråker, and visit some of the regions most scenic landscape with it's peaks and lakes, with Teveltunet as a common Race Center for all activities during the week of the event. You can choose from the following distances: Minithon (2 and 4 km), 8K (7.6 km, +/-500 m. Also has a class for canicross - running with dogs), 21K (20 km, +950/-1020 m. Norwegian qualifier for youth WC), 42K (40 km, +2000/-1960 m. Norwegian qualifier for WC ultra-trail short distance), 70K (70 km, +4000/-3960 m. In 2025 this is also the Norwegian national championship for ultra-trail senior and veterans), 100K (100 km, +4750, -4420 m), 100M (161 km, +/-6200 m). www.mmctrail.no
UNITED STATES OF AMERICA VIRGINIA — 2025-08-02 — King George. "Dahlgren Heritage Rail Trail 50K". Unleash the Ultimate Trail Adventure: Virginia's DHRT 50K! Gear up for a journey through the heart of Virginia's Dahlgren Railroad Heritage Trail as we present one of the most challenging 50K trail races of the year! Brace yourself for a sizzling test of endurance set under the shade-providing trees along the trail, where only the boldest dare to conquer nature's toughest challenge: A 50K + August + Virginia = a challenge you'll never forget! The August Heat Challenge: August in Virginia means one thing sweltering heat and humidity! Brace yourself for a true test of grit as you navigate the course. This race will push your physical and mental limits to new heights, separating the true trail warriors from the rest. Fast, Flat Course: You don't need to prepare heart-pounding ascents and knee-jolting descents. This course is flat, mostly shaded and well-maintained by the Friends of the DRHT! Settle in to your pace and crank out the miles! Earn Your Bragging Rights: Cross the finish line triumphant, knowing you've conquered 50 kilometers of trail fun! Every participant will receive a well-deserved finisher's medal, a testament to their unyielding spirit and determination. Share your accomplishment proudly and wear your medal as a badge of honor! Ready to redefine your limits and experience the thrill of conquering the beautiful DRHT in Virginia? Secure your spot in the hottest 50K trail race this summer and prepare for an adventure like no other. The DHRT 50K awaits - are you up for the challenge? www.ultrasignup.com/register.aspx?did=121159
UNITED STATES OF AMERICA VIRGINIA — 2025-08-09 — Wytheville. "Crystal Springs Ultra Races". Set against the stunning backdrop of the Crystal Springs Recreation Area in the Town of Wytheville, Virginia, the event showcases the breathtaking landscapes and diverse terrain of the High Rocks Spur Trail and Boundary Trail loop among others. By offering three distinct distances—the challenging 50k+, the formidable marathon, and the accessible half marathon—aspiring to cater to athletes of varying skill levels and aspirations. These trails are technical in some areas and sure to bring you a challenge no matter your level of training. This race makes for the perfect prep for your next big local race, whether that's the Iron Mountain Trail Races at the end of August, the Hokie Half Marathon in September, or Rim to River 100 in November. www.crystalspringsultras.com
ITALY VENETO — 2025-08-09 — Casamazzagno di Comelico Superiore (Belluno). "Peda-Run". www.spiquyteam.com/pedasocial.2025
UNITED STATES OF AMERICA ALASKA — 2025-08-17 — Anchorage. "Anchorage RunFest". Anchorage RunFest is the flagship event presented by the Anchorage Running Club. Saturday race events include a Kids 2K and Mile sprint. The main race events take place on Sunday and include a 49K, Marathon, Marathon Relay, Half Marathon, and a 5K. The race courses all have beautiful scenery and likely wildlife viewings. www.anchoragerunfest.org
ITALY VALLE D'AOSTA — 2025-08-23 — Saint-Barthélemy (Aosta). "Stars Trail Luseney". www.stl2025.trai-vda.it
UNITED KINGDOM ENGLAND — 2025-08-29 — Hope Cove. "Something Wild Trail Festival". The 11th Something Wild Festival 2025 has Devon’s best trail running routes at its heart, a wonderful new venue and new routes, taking in the Avon and Salcombe estuaries and some of the best sections of the South West Coast Path. Perched next to the sea, our farm field festival site is in the perfect spot, at the fulcrum of the event routes, with the camping site, at the fulcrum of the race routes. We have moved the festival back to August, to celebrate the end of summer and as the last hurrah before the kids go back to school (in some cases). Make this an autumn to remember and bring your family. This year, we are kicking off the festival with a communal meal and live music, preceded by a cafe and bar, selling locally brewed beer, non-alcoholic drinks, vodka and gin, as well as cocktails. The Festival site The farmer has kindly given access to his fields, overlooking the idyllic Hope Cove, and you’ll be hard-pressed to find a better location to wake up to in the southwest. close to ideal swimming spots in Hope Cove, East Soar and Bantham Bay. This year, we will have a camp village and festival village, which will be clearly separated, to allow flow and easy access. The campsite is suitable for up to 100 tents, parking and camper vans, as well as and serving as the fulcrum for all our trail events, which is ideal for spectators. We’ll be offering extra compost toilet facilities and warm showers, as well as two lovely venues for our speaker’s and music evening. Unique South West Coast Path Trails We have lined up some of the best coast routes on the South West Coast path for our night run, 5k, 10k or half marathon, marathon and Summit Wild Ultra as well as kid’s races. We will kick off the festival with a family-friendly guided run on Friday before the swim run and Hard Rock Coast swim, as well as 10k and 5k events on Saturday and the half marathon, marathon and ultra on Sunday. On Friday and Saturday evening, there will be a fire in the festival field with live music and a communal meal option on Friday and Sunday, alongside our caterers. Forest School You can drop your kids at forest school from 10am to 12 and 1.30pm to 3.30pm on Saturday and Sunday, with our experienced and qualified forest school leader Muddy Petals, while taking part in an event, or one of our guided wild swims. To join the forest school, you can buy tickets separately or book weekender tickets (camping and parking). Entertainment There’ll be children’s entertainments and the cafe and bar open on Friday evening to kick start the weekend. On Saturday there’s a speaker’s afternoon, yoga, massage, movement sessions, forest school and live music. Swim Runs 1.30pm: Start of Rocky Horror Swim Run LONG (11 miles- 3X5k loops, 3X500m swim) Medium (7 miles-2X5k loops, 2X500m swim) and SHORT (3.5miles1X5k loop, 1X500m swim): (at Festival site in Hope Cove) Other stuff Kids races, local food, a drinks bar and a speaker’s evening, kid's activities/film night, outdoor yoga, functional movement sessions and a wild swim. Read more on our festival brochure here. www.wildrunning.co.uk/e/something-wild-festival-5k-to-marathon-trail-races-swim-runs-sea-swims-11557
ITALY TRENTINO ALTO ADIGE — 2025-09-06 — Molveno (Trento). "Dolomiti di Brenta Trail". www.dolomitidibrentatrail.it
UNITED STATES OF AMERICA PENNSYLVANIA — 2025-09-06 — Wellsboro. "Pine Creek Challenge". 100 mile or 100 kilometer run, 50 mile and marathon distance, all on the Pine Creek Rail Trail in beautiful Wellsboro, PA! 100 mile relay option also!!!! The "Pine Creek Challenge" is just that, a place to challenge yourself by seeing how far or how fast you can run. It will be a scenic trail run along Pine Creek in northern Pennsylvania. The Pine Creek Rail Trail stretches 63 miles from Wellsboro Junction to Jersey Shore and is repeatedly listed as one of the finest bike rides in the Northeast. This section is through the "Grand Canyon of the East", the Pine Creek Gorge. The Gorge stretches for 47 miles. It is nearly a mile wide and 1,450 feet deep at its deepest point. This section of Pine Creek is listed as a National Natural Landmark. It's popular with canoeists and rafters in the spring and trout fishermen are drawn here all year long. We have set up an out and back course that uses 25 miles of the upper canyon section. We will have the start/finish at Asaph. The 100 miler runners will go 2 out and backs to Blackwell, passing through the canyon 4 times. The 100k folks will go once to Blackwell and return. The 50 mile course will be half of the 100 mile course, going once to Blackwell. The marathoners will turn around just below Tiaghdaton. www.pinecreekchallenge.com
ITALY EMILIA ROMAGNA — 2025-09-06 — Riccione (Rimini). "Scatta in testa". www.mccstudio.org
UNITED KINGDOM ENGLAND — 2025-09-19 — Hathersage. "Peak District Challenge". The Peak District Challenge is a trail running or trekking challenge that offers five levels of difficulty: 25km (Copper), 50km (Bronze), 75km (Silver), 100km (Gold Ultra), and 100 miles in 24 hours Ultra. Each distance has a target time to try to beat, from 9 hours to hike 25km, up to 24 hours to run the huge 100-mile Ultra Peak District Challenge. Motivation and encouragement are provided at checkpoints with water top-ups and refreshments. Checkpoints are spread out every 10km around the course on average. A stew supper on Saturday evening is all included in the price of your entry. Our professional, qualified safety teams monitor teams' safety throughout. Each team's GPS tracker allows HQ to see each team's exact location at any time, at any point around your challenge route, not just at checkpoints. Teams can self-navigate using our printed route guides and GPX files, or join a led walking group accompanied by a fully qualified mountain leader. www.peak-district-challenge.com
UNITED STATES OF AMERICA NEW YORK — 2025-09-20 — Fabius. "Morgan Hill Trail Races & Hill to Hollow 100km". Starting and finishing within Morgan Hill State Forest (camping available), the Morgan Hill Half Marathon and Morgan Hill "Meat Grinder" Marathon courses follow the nearly-all-single-track Onondaga Trail alongside misty ponds, up to incredible vistas, and crossing above waterfalls; past the highest point in Onondaga County on single track mountain bike trails; then back onto the Onondaga Trail to the finish line after running over (or around) the gravestone of one very unlucky guy from the 1700s.The marathon course adds the cruel but beautiful Fellows Hill loop and an out-and-back on the Onondaga Trail to Route 13. With the cooler temperatures and fall colors of late September, this is East Coast trail running at its absolute finest with all the rocks and roots that come with it. The memories will remain with you long after the blisters have healed and the muscle soreness and fatigue have faded. NEW in 2025, SCTR is excited to announce the first-ever running of the Hill to Hollow 100km, co-directed with Pete Dady of the Hash House Harriers who traversed the loop back in the COVID days. Crossing four counties, the course will begin and end in Morgan Hill State Forest (camping available), featuring the same highlights as above before following the Onondaga Trail/North Country Trail east to Highland Forest County Park and past DeRuyter Reservoir, turning south on the enigmatic Link Trail through Muller Hill State Forest before joining the main Finger Lakes Trail in Mariposa State Forest, heading west past Chippewa Falls, and rejoining the Onondaga Trail to reenter Morgan Hill State Forest. This is a VERY challenging 100km and will be more dirt bag ultra than ultra-luxe for this first year, with a commensurate 50% discount reflected in the registration price. Self-sufficiency and strong navigation skills (without 5G/LTE network coverage) are musts, but how many people can say they were part of the birth of an ultra? It takes a tremendous amount of work by a great many people and organizations to provide public access to and maintain the beautiful land and trails upon which these races depend. SCTR is immensely grateful to NYS DEC, Finger Lakes Trail Conference, North Country National Scenic Trail Association CNY Chapter, Highland County Park, the ADK-Onondaga Chapter, and the many private landowners, trail stewards, and volunteers without whom this would not be possible. Please consider making a donation to the FLTC during registration; SCTR will match donations up to $250. Or better yet, become a member at fingerlakestrail.org. www.facebook.com/SaltCityTrailRunning
ITALY VENETO — 2025-09-21 — Seren del Grappa (Belluno). "Trail degli eroi". www.traildeglieroi.it
TUNISIA — 2025-09-27 — Tozeur. "Ultra Mirage el Djerid 50/100K (UMED)". This is the first desert ultra taking place in the stunning Tunisian Sahara desert. The event is organised in the Djerid region. Both 100km and 50km single stage races take runners across a wide diversity of terrains, ranging from soft sand, small dunes, rocks, dried river beds, oasis... Both medical and technical help as well as water supply will be available at each checkpoint. This race is open to all types of athletes, from professional ultra runners to anyone passionate about ultra trails. www.ultramirage.com
ITALY UMBRIA — 2025-09-27 — Bettona (Perugia). "Bettona Crossing". www.umbriacrossing.com
GREECE — 2025-09-28 — Athens. "RacingThePlanet: Greece". Greece is the location of the FIFTEENTH edition of the RacingThePlanet Ultramarathon. Greece is home to thousands of islands, ancient ruins, stunning beaches, picturesque villages, rich cultural heritage and natural wonders. Greece is a place where history, culture and natural beauty come together to create an indelible memories. www.racingtheplanet.com/greece
ITALY CALABRIA — 2025-10-05 — Curinga (Catanzaro). "50km di Calabria". www.curingamarathon.it
ITALY TOSCANA — 2025-10-05 — Capoliveri (Livorno). "Elba Legend Run". www.elbalegendrun.it
ITALY TOSCANA — 2025-10-10 — Badia Agnano di Bucine (Arezzo). "Ultra Valdambra Trail". www.valdambratrail.com
UNITED STATES OF AMERICA MICHIGAN — 2025-10-11 — Petoskey. "Wolverine State 100". Trivium Racing has been dreaming of producing this epic event for years, and we're thrilled to finally unveil our exciting new race plan. This event will feature a 100-Mile, 100-Kilometer, and 50-Kilometer Ultra, as well as a relay option for the 100-Mile. The highlight of this course will be crossing the top of Michigan's lower penninsula from Lake Michigan to Lake Huron. The 100-Mile course will be point-to-point, beginning in Petoskey and concluding in Alpena. The 100k course will also be a point to point race finishing in Alpena. Our 50K race will feature an out and back course from Alpena that will have very manageable cutoffs and great running surfaces! Athletes will navigate a variety of terrain, including single-track trails, gravel roads, limestone paths, and seasonal roads. While no 100-mile race is ever easy (and we know you wouldn't want it to be), our goal is to make this event as approachable as possible for first-timers while still delivering a rewarding experience for seasoned vets. Special awards will be given to those finishing the 100-mile race in under 24 hours, and we'll also have a generous cutoff time to encourage more participants to tackle this incredible course. You can expect frequent, well-stocked aid stations approximately every 5 to 8 miles to keep you fueled and supported throughout the race. www.runsignup.com/Race/MI/Petoskey/WolverineState100
UNITED KINGDOM ENGLAND — 2025-10-25 — Iffley. "Thames Trail Ultra Marathon". This demanding run along the Thames is one of the most popular events in the British ultra running calendar. The event takes in 47-miles from Iffley in Oxfordshire to Henley-on-Thames. Runners will enjoy the company of England's largest river as it makes its way past ever-changing scenery, beautiful houses and traditional rowing clubs. Expect everything from tarmac paths to muddy trails on this interesting and challenging course. The run follows both the Thames Path and Ridgeway National Trails, so entrants should be careful not to forget the words °National Trail" rather than simply reading Thames Path. Starting around three miles south of Oxford, the race heads from Hawkwell House Hotel down to Iffley Lock and across the river. It then follows the towpath through the picturesque towns and villages of the region to Henley-on-Thames. The race finish is at the YMCA Y Centre, in Lawson Road, Henley-on-Thames. Runners will be able to access showers, hot food and drinks, and changing facilities at the end of the race. www.gobeyondchallenge.com/ultra-marathons/thames-trail-ultra
ITALY TOSCANA — 2025-10-31 — Palazzuolo sul Senio (Firenze). "Trail del cinghiale". www.traildelcinghialerace.com
MOROCCO — 2025-11-01 — Zagora. "Sahara Trail". [French] Venez relever le défi! Dans le sud Marocain, à Zagora l'édition du mythique Sahara Trail, va prendre place! En 4 étapes, vous traverserez différentes pistes de chemins caillouteux et techniques, des dunes de sable, des oasis, dans un décor de carte postale. L'itinéraire vous emmènera à travers une série de villages et de casbahs en terre ocre. Vous évoluerez à travers une multitude de paysages typiques du sud marocain. Venez nombreux afin de participer à ce trail original et découvrir les richesses naturelles de cette belle région particulièrement accueillante, dont l'économie repose principalement sur la production des dattes, l'élevage et le tourisme. www.lereposduchampion.com
ITALY LIGURIA — 2025-11-08 — Loano (Savona). "Maremontana Trail, dalla sabbia alla neve". www.maremontanarunningpark.com
UNITED STATES OF AMERICA LOUISIANA — 2025-11-08 — Lake Charles. "Wild Cajun Trail Runs". The Wild Cajun Trail Runs is an endurance event featuring a trail 10K, 13M, 27M & 40M in the Pine Forest, Winding Rivers, Cypress Swamps, and Moss-Draped Trees of Southeast Lousiana at Sam Houston Jones State Park. The event follows 13-mile loop beginning and ending in Sam Houston Jones State Park in Lake Charles Lousiana. www.texasoutlawrunning.com/wildcajun
GUATEMALA — 2025-11-21 — Sacatepéquez. "Ultramaratón Guatemala". [Spanish] Corre donde el espíritu se siente libre. Descubre la aventura del trail running más impactante de Centroamérica. Ultramaratón Guatemala no es solo una carrera: es un recorrido por senderos ancestrales, volcanes activos, bosques nublados y paisajes que parecen de otro planeta. Vive la fiesta del trail en una tierra rica en cultura maya, naturaleza exuberante y comunidades vibrantes que te reciben con los brazos abiertos. Ya sea que vengas por tu mejor marca, por la conexión con la montaña o por la experiencia de correr en uno de los países más mágicos del mundo, este es tu lugar. Corre con el alma. Corre Guatemala. www.lucianosgt.com/utg
CANADA MANITOBA — 2025-11-22 — Churchill. "Polar Bear Marathon". Run in Churchill, Manitoba, the world's polar bear capital - an adventure fun run of a half, full or ultra of 50 km on the edge of the Arctic in Canada's North. Experience a unique running event and culture. www.albertmartens.com/index.php/running/news/561-polar-bear-marathon-2025
COSTA RICA — 2025-12-03 — Manuel Antonio. "Costa Rica Ultra Trail, La Transtica". A multi-day Trail race, with a prologue and 5 stages with refreshment and assistance points, night in bivouac (camps). It's declined in two distances from 71 mi (117 km, Adventure Race) to 122mi (200 km, Extreme Race). The main objective of the race is to discover the Costa Rica and its way of life and to share this experience with the locals through a sporting competition with humanitarian goals. Between two oceans, the race defines itself by a unique crossing of a natural amazing paradise in the discovery of a new culture and way of life, "Pura Vida". www.latranstica.org
UNITED STATES OF AMERICA TEXAS — 2025-12-06 — Needville. "Brazos Bend 100". Sponsored by Altra Running. Western States 100 Lottery Qualifier (sub 30 hour 100-mile) with 98 qualifiers in 2024! This is the December edition of our popular Brazos Bend races with the marquee event being the 100-mile. The Brazos Bend 100 is the largest trail race in Texas and one of the fastest trail races in the world on flat and smooth trails with incredible support from four aid stations per loop. The top 3 were under 16 hours in 2024. The course is 99.9% flat, and the only "hill" is a 10-foot rise over 0.1 of a mile. The rest of the ~16.7mi loop is flat surfaces that move from hard crushed rock, soft hiking trails under tree canopy, and smooth horse trails. Most runners get away with a road shoe. Conditions in December can have a mix of anything but are typically great for running. Brazos Bend is a spectacular State Park located just South of Houston/Sugar Land and is most known for its abundance of birds and American Alligators among other wildlife. The gators are a part of our race; there has never been an incident in the parks 50 year history. Enjoy them on your run, from a distance, and you may get some unique race photos! Complete the 50K or 50M in April 2025, AND the 100K or 100M in December 2025 to earn the Brazos Bend Challenge Coin. www.trailracingovertexas.com/brazos-100
ITALY TOSCANA — 2025-12-07 — Arezzo. "Arezzo Wild Trail". www.trailrunpro.it/arezzo-wild-trail
ANTARCTICA — 2025-12-13 — Patriot Hills. "Antarctic Ice Marathon & 100k". Adventure marathoners and ultra athletes are always looking for the next big challenge. It could be a remote desert marathon, a high altitude mountain marathon or a jungle marathon. However, mainland Antarctica represents the last frontier, the final great wilderness to be conquered. And now adventure athletes like you can do it. www.icemarathon.com
UNITED KINGDOM ENGLAND — 2026-01-10 — Wendover. "Country to Capital". It’s true to say our always-popular Country to Capital Ultra attracts a global field, with some of the best runners in Britain and beyond racing the 43-mile course. This famous race is the curtain raiser for the ultra running season and the starting point for those brave Go Beyond runners wishing to take on our Grand Slam of four ultra marathons over 180 grueling miles. Country to Capital takes you through the Buckinghamshire countryside, crossing the M25—by bridge, of course!—and heading towards the well-heeled surroundings of Denham. From there, runners pick up the Grand Union Canal towpath for the final run into London, finishing near the Little Venice canal basin, a surprisingly tranquil setting in the heart of the capital and close to both Paddington and Royal Oak Tube stations. The race concludes at The Stowe Centre, where you can enjoy showers, toilets, and a large hall to relax in after finishing. Country to Capital is historically a sell-out event, so be sure to get your entry in early. It is fully tracked and interactive, allowing your friends and family to follow your progress from the comfort of their armchairs while also ensuring that you are following the route correctly! www.gobeyondchallenge.com/ultra-marathons/country-to-capital-ultra
AUSTRALIA VICTORIA — 2026-01-11 — Dromana. "Two Bays Trail Run". Two Bays Trail Run. Great holiday vibe and multi-faceted course between Dromana on the Port Phillip Bay side and Cape Schanck on the Bass Strait side. That's a 28km crossing (or 56km double crossing) of the Mornington Peninsula - and not at the skinny bit! Up and over Arthur's Seat for fantastic rural and coastal views. Through Greens Bush, the largest piece of remnant native bushland on the Peninsula. Along the cliff tops of Bass Straight approaching the lighthouse. www.twobaystrailrun.com
PORTUGAL — 2026-01-15 — Torre. "Terra de Gigantes Ultramarathon". It’s not just another ultramarathon. It’s a long journey between the highest point in mainland Portugal and the Atlantic Ocean, in this case, Nazaré. A journey of astonishment, of encounter, of contact with traditions, but also of faith - without the need to be a believer. It will be a very special time. Crossing a country, in this case, Portugal, from east to west is guaranteed to be a huge journey and an extraordinary experience. The challenge of crossing Portugal from east to west, from the highest point in the country to the beach with the biggest waves in the world, is necessarily for giants. But it’s more. It’s a bit more than effort and glory. It’s courage, management, and a lot of resilience along the paths that take them from the Serra da Estrela to the isolated and beautiful Schist Villages in Lousã. It’s paths of faith around Fátima Sanctuary that will take you to the magnificent and gigantic waves of Nazaré. It will be at the beginning of winter and, traditionally, a time of very low temperatures and rain. Starting at the highest point in Portugal means beginning the challenge with negative temperatures and, who knows, snow. It’s this set of factors, associated with the distance and unevenness, that will make you a giant. www.horizontes.pt/en/terra-de-gigantes
UNITED STATES OF AMERICA TEXAS — 2026-01-17 — Bastrop. "Cowboy Yeti". The Cowboy YETI is a 7K, 20K, 40K, 60K, and 100K trail run held at the Bastrop State Park in the lush forest of Central Texas. Featuring a scenic dirt single-track course. The race follows a 20K of unique trails beginning and ending in Bastrop TX at the State Park Refinery. www.texasoutlawrunning.com/yeti
CAMBODIA SIEM REAP — 2026-01-24 — Angkor. "Ultra Trail d’Angkor". Immerse yourself in a unique adventure at the heart of the legendary Angkor site! The Ultra Trail of Angkor invites you to race through ancient temples, mysterious jungles, and trails steeped in history. A perfect blend of athletic challenge and cultural wonder, every step brings you closer to an unforgettable experience. Whether you're a seasoned trail runner or an enthusiast seeking new thrills, this extraordinary race will transport you beyond time. Take on the challenge, explore the inaccessible, and let the magic of Angkor guide you to the finish line! Sign up now and experience the thrill of trail running at the pinnacle of history! www.ultratrail-angkor.com
UNITED STATES OF AMERICA TEXAS — 2026-02-07 — Jacksboro. "North Texas Ultra". The North Texas Ultra is a 5K, 10K, 25K, 50K, 52 Miler, 100K run & 25K RUCK held on Fort Richardson State Park's Trailway in the foothills of North Texas. Featuring an open, scenic, historical, and paved with soft fine gravel. The race follows a 15.5-mile out & back course beginning and ending at the North Park Unit. This is one of the fastest ultra marathon courses in Texas! www.texasoutlawrunning.com/northtexas
ARGENTINA NEUQUéN — 2026-02-19 — Villa la Angostura. "La Misión Race". [Spanish] Mucho más que una carrera! Hombres y mujeres, peregrinos de una aventura, enfrentan con coraje y determinación una larga travesía en forma 100% autosuficiente, caminando noches y días enteros, en pleno contacto con la naturaleza, en un entorno montañoso, aceptando los caprichos del clima y superando los obstáculos naturales que solo un recorrido salvaje como el de La Misión puede ofrecer. No es una carrera, no es un Ultra Trail... es La Misión, una experiencia de vida. www.lamisionrace.com
UNITED STATES OF AMERICA INDIANA — 2026-03-14 — Valparaiso. "Tombstone 30k / 50k / 50 mile". New course with more hills - 50-mile distance added for 2026. ALL DISTANCES START at 8:00 am Central Time and all distances have 16 HOURS to finish (MIDNIGHT). One aid station will be at the start/finish and another near the 4-mile mark on the course. The famous "Roller Coaster" hills. Each runner receives limited edition t-shirt, winter hat / gloves and Cowboy hat. 30k runners receive a hand-made wooden finishing medal. 50k runners receive a belt buckle. 50-mile runners receive a belt buckle. The purpose Crazy Legs Race Series (CLRS) is to promote non-pavement/pavement races in the Northwest Indiana region through the development and management of new and existing races. At all our events you will experience fun and challenging course design in a low-key atmosphere. Races will be held in parks or areas in the Lake, Porter and Laporte counties. The Crazy Legs Race Series welcomes and encourages participation in our events by all individuals regardless of their sexual orientation, biological sex, gender identity, or gender expression. Transgender runners may register as the gender they identify with and there is no documentation needed. The Crazy Legs Race Series would like to begin by acknowledging that the land on which we host our races is the seized territory of the Miami, Shawnee, and Illinois Nations. Refugees from other nations also resided in the area we use, including the Lenape (Delaware). We honor those who have stewarded this land throughout the generations. www.raceroster.com/events/2026/103545/tombstone-30k50k50-mile
UNITED STATES OF AMERICA NORTH CAROLINA — 2026-03-21 — Corolla. "Blackbeard's Revenge 100". The Tale of Blackbeard's Revenge 100. Aye, ye ask why we call it Blackbeard's Revenge? Pull up a chair, Matey, and hear this tale... The Outer Banks be a fickle beast; temps can swing from 80 to 20, the wind’ll whip ye sideways, and though the roads be flat, they stretch on like the horizon, testin’ yer spirit. Plunderin’ these parts (er, runnin’) is a grand adventure, but make no mistake, she’ll make ye earn yer reward! Be ye pirate enough for the challenge? Brave the 100 Mile or 100K solo—or gather yer crew and conquer it relay-style! Runners, Ruckers, and Chariot Teams all welcome aboard. This point-to-point voyage runs the length of the OBX, from Corolla to Hatteras, where we raise a toast at the finish at The Wreck Tiki Bar. 100% paved, 100% coastal, 100% unforgettable. www.runsignup.com/Race/NC/Corolla/BlackbeardsRevenge100
UNITED STATES OF AMERICA ILLINOIS — 2026-03-21 — Columbia. "American Bottoms 100". This is a unique road ultra on a beautiful course, following the Mississippi River as you run through the historic American Bottom. Race headquarters is in Columbia, Illinois, just outside of St. Louis, Missouri. The race offers a 110-mile and a 55-mile option. The course will loosely follow the American Discovery Trail and the Kaskaskia-Cahokia Trail, Illinois' first road. You’ll watch the sun rise over the Illinois bluffs while running on levees and deserted backroads, from Columbia to the confluence of the Kaskaskia and Mississippi Rivers. You’ll make your way through many historic sites, including Piggott's Fort, Fort de Chartres, and the town of Prairie du Rocher. This is a flat and fast course with generous cut-off times, plenty of aid stations, and a friendly atmosphere. It will make a great first hundred miler or a chance for you to set a new personal record at this distance. So, if you're interested in a no-frills ultra with a low entry fee, then come test yourself this spring on the American Bottom. The 110-mile race starts at 6:00 a.m. on Saturday, March 21st, 2026 and finishes at 4:00 p.m. on Sunday, March 22nd, 2026, with a 34-hour cut-off, 18:32 minute-per-mile pace, 1,400 feet of elevation gain total, out-and-back course, 76% levees and 24% hardball road, and 17 aid stations. The 55-mile race starts at 7:00 a.m. on Saturday, March 21st, 2026 and finishes at 10:00 p.m. the same day, with a 15-hour cut-off, 16:21 minute-per-mile pace, 700 feet of elevation gain total, point-to-point course, 76% levees and 24% hardball road, and 8 aid stations. https://americanbottoms100.com
UNITED STATES OF AMERICA CALIFORNIA — 2026-03-28 — Rio Linda. "Bad Ass Backyard Ultra". Runners will have one hour to complete each 4.16 mile loop. Each new yard/loop will begin every hour, on the hour. If a runner is not in the start corral, ready to begin the next yard on the hour mark, they're out. The runner who completes the most yards wins. www.skybreakerracing.com/bad-ass-backyard-ultra
UNITED KINGDOM ENGLAND — 2026-04-11 — Brixworth. "The Rosebud Marathon". The route is approximately 60% trail and 40% on road. The Race registration and finish is hosted by the Brixworth Country Park with plenty of room for parking, and only 20 minutes drive from the M1 Motorway. The race is a single line with us providing transport to the start (for a small fee) making for easy planning and logistics. The route takes in the beautiful Northamptonshire countryside with the Grand Union Canal and 14 pretty villages, towns and hamlets following parts of the Nene Way, the Midshires Way and the Northampton Round. There are 2 checkpoints at 9.5 miles approx. and 17.7 miles approx. with support from the local running community. The event is fully tracked and interactive so friends and family will be able to follow your progress from the comfort of their armchairs and also you can make sure that you are following the route! For anyone wanting to stay overnight, Northampton offers a wealth of hotels to suit all budgets. www.gobeyondchallenge.com/the-rosebud-marathon
UNITED STATES OF AMERICA VIRGINIA — 2026-04-11 — Fries. "New River Trail Races". The New River Trail Races are 100% dirt, flat, and entirely along the New River and Chestnut Creek in the New River Trail State Park. Each distance is an out and back course. The schedule for the race: 4:00 am 100k Start (8:00 pm cutoff), 8:00 am 50k Start (5:00 pm cutoff), 8:30 am 10k Start (5:00 pm cutoff), 9:00 am 25k Start (5:00 pm cutoff). Start Line Address: 321 Firehouse Road Fries VA. An early start at 7:30 am will be offered for 25k and 50k runners who feel that they will need more time to complete the race. 100k Finishers receive a buckle! If you register after April 1, you won't get a race shirt. Sorry for any inconvenience, but we need to make sure our local vendor has enough time to get the shirts ready for race day. www.newrivertrail50k.com
UNITED KINGDOM ENGLAND — 2026-04-11 — Brixworth. "The Rose of the Shires Ultra Marathon". The Rose of the Shires Ultra is one of our flagship events, providing crazy runners with a sensibly priced race in the heart of Northamptonshire. This circular route will take you through an area renowned as the second garden of England OK Kent, you beat us to first place! Along the way, you will enjoy 54-miles of incredible scenery, country trails, roads and towpaths. Featuring around three-quarters trails with the rest being road, Rose of the Shires starts and finishes at Brixworth Country Park, where there is plenty of room for parking. Found just 20 minutes drive from the M1, this is the perfect starting point for a race which is really easy in terms of planning and logistics because of its one loop format. The route passes through the beautiful Northamptonshire countryside, including two stunning country parks, Salcey Forest, the Grand Union Canal and 21 pretty villages and towns. It winds its way along parts of the Nene Way, the Midshires Way and the Northampton Round. www.gobeyondchallenge.com/ultra-marathons/rose-of-the-shires-ultra
UNITED STATES OF AMERICA CALIFORNIA — 2026-04-18 — Borrego Springs. "Badwater Salton Sea". AdventureCorps hosts Badwater® Salton Sea annually in April. This remarkable event challenges up to 45 teams of two or three ultrarunners - running together as duos or trios for the duration, NOT in a relay - to tackle an unimaginable traverse of Southern California deserts and mountains. The route covers 81 miles (130km) from Salton City (elevation 234 feet / 71m below sea level) to Palomar Mountain, the almost tallest mountain in San Diego County (elevation 5500 feet / 1676m.) Eight of the 81 race miles pass through Anza-Borrego State Park on a single track trail known as the California Riding and Hiking Trail from near Borrego Springs to near Ranchita, creating a race route which is a mix of road and trail. There is a total elevation gain of over 9000 feet (2740m). www.badwater.com/event/badwater-salton-sea
UNITED STATES OF AMERICA CALIFORNIA — 2026-07-27 — Furnace Creek. "Badwater 135". Globally recognized as the world’s toughest foot race, the Badwater 135 Ultramarathon is a pure athletic challenge of athlete, shoes, and support crew versus a brutal 135-mile / 217km stretch of highway and a forty-eight hour time limit. From the start line in Death Valley to the finish line high on Mt. Whitney, this one-of-a-kind foot race offers the promise of a supremely personal achievement along with international accolades for those who rise to the occasion. Covering 135 miles (217km) non-stop from Death Valley to Mt. Whitney, CA, the Badwater® 135 is the most demanding and extreme running race offered anywhere on the planet, as well as the 135-Mile World Championship. The start line is at Badwater Basin, Death Valley, which marks the lowest elevation in North America at 280’ (85m) below sea level. The race finishes at Whitney Portal at 8,300’ (2530m), which is the trailhead to the Mt. Whitney summit, the highest point in the contiguous United States. The Badwater 135 course covers three mountain ranges for a total of 14,600’ (4450m) of cumulative vertical ascent and 6,100’ (1859m) of cumulative descent. Competitors travel through places or landmarks with names like Mushroom Rock, Furnace Creek, Salt Creek, Devil’s Cornfield, Devil’s Golf Course, Stovepipe Wells, Panamint Springs, Darwin, Keeler, Lone Pine, Alabama Hills, and the Sierra Nevada. www.badwater.com
NAMIBIA — 2026-08-16 — Swakopmund. "Namib Race". The Namib Race is a 7-day, 250 km / 155 mile footrace that takes place within the oldest desert and the largest dunes in the world. Through the seven days, competitors experience some of the most stunning and iconic desert landscape. The course takes you through amazing desert scenery including wide-open red plains, scattered mountain outcrops, huge expanses of dramatic sand dunes, moon-like landscape, Atlantic waves crashing against the sandy desert shore-line, and a fascinating array of plants and animals. www.racingtheplanet.com/namibrace
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