Trail Running Calendar United States 2025-2026

The Fruita Trail Half Marathon is an exhilarating 13.8-mile race set in the stunning desert landscape of Fruita, Colorado. Scheduled for May 11, 2025, this event features a scenic loop course with flowy singletrack, short climbs, and breathtaking views of the surrounding buttes and mesas. As part of..

The Marshall Mountain Revival Trail Runs is a new trail running event set to take place in Missoula, MT, on May 11, 2025. This celebration of spring features various race formats, including a Revival Relay for teams of 2 or 3, a solo 25K, a 5-mile race, and a kids' run. Participants can expect a fes..

The Jackrabbit Classic is an annual running event held in El Paso, Texas, featuring 4.1 and 7.2-mile trail runs. Scheduled for May 11, 2025, the race takes place at Franklin Mountains State Park, offering a mix of rocky, technical trails and easier paths. Registration is limited to 225 participants,..

The Bee-utiful Sunflower Run, taking place on May 11, 2025, at Gilcrease Orchard in Las Vegas, is a vibrant celebration of Mother's Day featuring a 5K, 10K, and a family-friendly Sunflower Fairy Walk. This annual event offers participants a chance to run through blooming sunflower fields while enjoy..

The Run Like a Mother 5K Trail Race and 1 Mile Fun Run, hosted by More Kids on Bikes, is a family-friendly event aimed at promoting an active lifestyle and celebrating mothers. Scheduled for May 11, 2025, at Yeager's Farm & Market in Phoenixville, PA, the event features a scenic 5K trail race and a..

The 3 Days at the Fair - Augusta NJ will take place in Augusta from Monday 12 May 2025 to Sunday 18 May 2025. You can run between 26 and 144 hours.

The Catamount Weekly Trail Running Race is a vibrant series designed for trail running enthusiasts. Hosted by Catamount Outdoor, this event offers participants the opportunity to engage in weekly races, fostering a sense of community and competition. The series is supported by various sponsors, incl..

The Born to Run Ultra Marathon Extravaganza is a unique trail running event taking place from May 14 to 18, 2025, at a private ranch in Santa Barbara, California. This multi-day event offers various race options, including 4-day, 3-day, and 100-mile challenges, along with shorter distances of 30, 20..

Infinitus is an extraordinary endurance event hosted by The Endurance Society, taking place from May 15 to May 25, 2025, in Ripton, Vermont. Participants can choose from a variety of challenging distances, including a 9-mile race, marathons, and ultra-distances up to 551 miles (the 888k). The event..

The Kampf Ice Age Trail Celebration is a multi-day event taking place in Sturgeon Bay, Wisconsin, from May 16 to May 18, 2025. This celebration honors Jack and Sara Kampf's achievement of becoming "Thousand Milers" by hiking the entire Ice Age National Scenic Trail. Participants can join in various..

The Dominion Energy Riverrock Trail Running Events, taking place from May 16 to May 18, 2025, in Richmond, VA, features a variety of races including the Belle Isle Blitz (5k), James River Scramble (10k), and Bust the Banks Half Marathon. This outdoor sports festival, organized by Sports Backers and..

The East Texas Ultra is a trail running event held at Lake Bob Sandlin State Park in Pittsburg, Texas, featuring distances of 7K, 14K, 28K, and 50K, along with a 7K ruck. The race takes place over three days, with scenic dirt single-track trails through piney woods and along the lake. Participants c..

The Cruel Jewel 100 is an ultra-marathon event taking place in the scenic Chattahoochee National Forest in North Georgia. Covering a challenging distance of 103.54 miles, the race features a mix of 94 miles of trails and 10 miles of mountain roads, with 20 aid stations along the route. Participants..

The Black Fly Trail Run, taking place in Westmore, Vermont, offers a unique running experience with options for a half marathon, 10-miler, and 5K. This annual event, now in its fourth year, features stunning terrain, including dirt roads and private trails, providing a challenging yet inspiring atmo..

The 2025 Homochitto Hammer is a dynamic running and mountain biking event taking place in Roxie, Mississippi, from May 17 to May 18, 2025. Participants can choose from various events, including a 10-mile and 20-mile trail run, as well as 10-mile and 20-mile mountain bike races. Additionally, the eve..

The Blue Heron 10K is a scenic trail race set in the stunning Big South Fork National River & Recreation Area, taking place on May 17, 2025. This challenging 6.1-mile course features an elevation gain of 1,023 feet and offers breathtaking views, including waterfalls and sandstone bluffs. Limited to..

The Bradshaw Beatdown 50K is an exciting group running event taking place in Prescott, Arizona. Scheduled for May 17, 2025, this race offers participants a challenging 50-kilometer course through scenic terrain. The event is designed to be inclusive and free, featuring several water stations along t..

The Cruel Jewel 50 is a challenging 57.5-mile trail race set in the stunning Chattahoochee National Forest in North Georgia. This point-to-point race features a mix of 50 miles of rugged trails and 7.5 miles of mountain roads, with 10 aid stations along the route. Participants will navigate through..

The Chicago 7-11 Hour Endurance Run, organized by Yeti Trail Runners, is a unique trail running event set in Willow Springs, IL. Participants can choose between a 7-hour or 11-hour endurance challenge, navigating a scenic 4-mile loop through the picturesque Wolf Road Woods and Palos Preserves. The e..

The Armed Forces Endurance Run (AFER) is a unique endurance running event designed to honor active duty service members and veterans, with a focus on a different military branch each year; this year, it honors the Marines. Set in Bixler Lake Park, Kendallville, IN, participants can choose from 6, 12..