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It’s a race where temperatures soar past 40ºC. The heat is suffocating and many of the participants classify it as the hardest they have ever done. It crosses an entire region of inland Portugal: Beira Baixa, and one must have a real capacity for autonomy, to be self-sufficient and to know how to navigate the […] 
The race crosses Portugal, taking athletes from Portugal’s highest point, Serra da Estrela, to Nazaré, home to some of the world’s highest waves. It’s more than 300 km, to be covered in 74 hours, self-supported, during the height of winter. 
Proença Cross Trail was born in 2012, at a time when this sport was beginning to grow in Portugal. Today it is one of the oldest Portuguese trails and the one where many completed an ultramarathon for the first time, but it still maintains its main core concept: Running in nature. Running safely and, for […] 
Race Through New River Gorge National Park The highball was a railroad signal meaning the track ahead was clear—time to move forward at full speed. At Highball to Thurmond, we’re raising the ball on an unforgettable ultra marathon adventure through the heart of New River Gorge National Park. Choose from the 50 Mile, 50K, or […] Come out for summer fun at the Pleasant Valley Pool. Enjoy a refreshing pool swim and run with our Swim/5K Aquathlon or skip the water and stay dry with a 5K fun run! There will be snacks, music, and good vibes. In the afternoon, we’ll once again be holding our dog swim, when the […] 
Strictly limited entries only!!! 230 km – 6 stages / + 4.800m / – 5.000m Experience Uzbekistan like no others. GlobalLimits Uzbekistan is a thrilling 230km, 6-stages ultramarathon through the heart of the ancient Silk Road. Join the challenge: we meet at the UNESCO Heritage city of Samarkand, known as the Crossroads of Cultures […] We are continuing to keep the Fall Classic fresh and find new ways to race on the LHHT. The 3rd LHU Fall Classic will be the first ever 50M race on the LHHT! And will include a 5 person relay option. Starting at Mile 46 (Rt30) and ending at Mile 0 in Ohiopyle! We’ll find […] 
A Redpoint ultra trail event benefitting the GREENBELT CONSERVANCY. With over 35miles of trails, Staten Island will surprise anyone who has never got off the SIE to explore. We’ve put together 16+mile course with minimal road crossings and lots of single track. Run the most remote sections and trails of New York City and see […] 
35th Himalayan 100 Mile Stage Race, October 27 to November 03, 2026 . Himalayan Run & Trek’s “Himalayan 100 Mile Stage Race” time and again has been described as the most spectacular running course in the world! Also described as “World’s Most Scenic and Challenging Endurance Race”. During the race, panoramic views of Mt. Everest, […] 
Enjoy a trail and wilderness scramble among the open spaces of Santa Cruz, exploring redwood & mixed forests and meadows. In teams of 1 to 5, use a custom map to find up to 20 checkpoints along the trails and in the wilds in 2 or 4 hours. Enjoy socializing and refreshments at the finish! […] 
The HarryMan provides some of the best endurance challenges for the multi-sport athlete, and offers both “Half” Long Distance and Olympic distance events. HarryMan is one of the most challenging early-season courses in the North East, and the perfect line up for Placid or Mid summer long distance events! 
Explore the historical highlights and delightful views of the Monterey Peninsula in an epic way – a Mapathon (or Half)! A marathon distance of 26.2 miles “half” of 13.1 miles, with foot and foot+bike divisions. Teams of 1 to 5 will use a custom map to navigate a dozen or two-dozen checkpoints and 1 aid […] Trails, trails, trails, so many to choose from. Enjoy the majestic oaks, quarries, rocks, and labyrinths of Lime Ridge! But it’s not your typical 5K or 10K. The course isn’t marked! Follow a map to find 8 to 15 checkpoints, or maybe the person in front of you – if you trust where they’re going! […] 
The City of Salem, known as “Virginia’s Championship City”, has hosted numerous NCAA National Championships as well as many other national and international sports tournaments. In 2016, we decided to branch out and bring that “Championship” mentality to running! The races start and finish at the Salem Farmers Market in downtown Salem, VA and take […] 
From Lake Michigan to Lake Huron—The Journey Continues After an unforgettable debut in 2025, Wolverine State 100 returns for year two on October 10–11, 2026. Runners, relay teams, and crews will once again take on the rare chance to cross Michigan’s Lower Peninsula from lake to lake, racing from Petoskey to Alpena on a route […] 
Enjoy a trail and wilderness scramble among the open spaces of Martinez, with lovely views of the Carquinez Strait, the Delta, and the Diablo range. In teams of 1 to 5, use a custom map to find up to 20 checkpoints along the trails and in the wilds in 2 or 4 hours. Enjoy socializing […] 
Wawayanda Trail Fest is back again but in the spring! Still with miles (not an exaggeration) of rhododendron tunnels, marsh bridges and both gravel road and single track! AND we’re adding a 100k! 
Prove It 5K & 10K – GM Milford Proving Ground April 18, 2026 – Milford, Michigan Looking for a Michigan spring 5K or 10K that’s unlike anything else? Prove It 5K & 10K gives you exclusive access to the GM Milford Proving Ground, one of the most iconic and secretive automotive testing facilities in the […] 
The 4th annual Blackhawk Bolt 5k & 1 Mile Fun Run is a unique road-to-trail course taking place fully on the campus of North Buncombe High School & benefits the NBHS PTSO. 
Join us for a 5K and 10K trail run following footpaths and byways in a loop around Sapiston and Honington in Suffolk’s picturesque Black Bourn Valley. The route is a mix of road and off road and, as it also crosses a few minor roads and follows a short section of the Black Bourn river, […] 
The Northern Trails Trail Race returns to Greensboro, North Carolina, offering distances of 5 miles, 10 miles, and 17 miles. This early spring trail race challenges participants to run, ruck, or hike through the scenic trails along Lake Brandt and Lake Townsend. Over the years, racers have experienced it all—snow flurries, rain, and sunshine—making Northern […] 
Run Winter Trail Fest in 2026 February 21, 2026 – Yankee Springs Rec Area, MI Some call it the Winter Trail Fest. Others just think, What The F…?! Join Trivium Racing for a winter trail Half Marathon or 5 Mile run or ruck at Yankee Springs. Expect snow, mud, ice, and the infamous river crossing—unless […] 
Join Trivium for WTF Eastside! Some call it the Winter Trail Fest. Others just think, “What the F…?!” Join us at Island Lake in Brighton, Michigan for a Half Marathon or 5 Mile run or ruck designed to embrace the messiest, most unpredictable conditions February has to offer. Snow? Ice? Slush? Perfect. You’ll earn every […] 
230 km – 6 stages / + 4.800m / – 5.000m Experience Uzbekistan like no others. GlobalLimits Uzbekistan is a thrilling 230km, 6-stages ultramarathon through the heart of the ancient Silk Road. Join the challenge: we meet at the UNESCO Heritage city of Samarkand, known as the Crossroads of Cultures and finish at the […] 
2025 will be the 20th running of the Timberhonger 10K, so called as most of the route is on Timberhonger Lane. Over the years the race has become famous for its friendly atmosphere and a picturesque course with the now infamous hill. |
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