Trail Running Calendar United States 2025-2026

We have found 2439 Trailruns in United States. Check below where and when you can find the races.

The Not-A-Sprint Weekend is an endurance running event held in Forest City, NC, on August 31, 2025. It features 12-hour, 6-hour, and 3-hour races along a paved, mostly shaded 8.35-mile loop course that follows the Thermal Belt Rail Trail from Park Square to Spindale and back. Participants can compet..

The Payette Lake Run, held in McCall, Idaho, offers three race distances: a 30K, 14K, and 5K. The 30K course is a full loop around scenic Payette Lake, while the 14K starts near North Beach and the 5K near Little Lake on Lick Creek Road. All races begin and end at Brown Park in downtown McCall, wher..

The SPASM Crystal Springs Trail Run is an exciting running event taking place in Huddart Park, Woodside, CA. Scheduled for August 31, 2025, it features multiple race distances including an 8K, Half Marathon, 35K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under. Participa..

The AIDSPIRIT USA Marathon is a running event scheduled for August 31, 2025, in Harlowton, Montana. Participants can choose from various race options, including a full marathon, half marathon, 10K run, and a 5K fun run. The course features scenic views from the Little Belt mountains to Harlowton, pr..

September 2025

The Mount Baldy Run to the Top is a challenging 7-mile trail race held in Mount Baldy, California. Celebrating its 60th running, the race starts at 6,000 feet elevation and ascends to the summit of Mt. Baldy at 10,064 feet, featuring a steep 4,000-foot elevation gain.This iconic Southern California..

The Fall Trail Running will take place in Gorham from Monday 1 September 2025 to Friday 10 October 2025.

Escape from Turkey Mountain is a popular trail running event held in Tulsa, Oklahoma, featuring two race distances: a challenging 5-mile course and a shorter, less technical 2-mile course. This event, a Labor Day tradition since 2004, takes place in the scenic Turkey Mountain Urban Wilderness, offer..

The Catamount Weekly Trail Running Race will take place in Williston on Tuesday 2 September 2025. You can run between 5 and 5 kilometers.

The Gypsum Canyon Wilderness 5k is a trail running event set in the scenic Gypsum Canyon Wilderness in Anaheim, California. Participants will navigate a 5k course featuring fire roads and single track trails, with an elevation gain of 350 feet. The race includes one aid station providing water and e..

Run Woodstock is a vibrant running festival set in a picturesque 140-acre forest and beach area in Michigan, taking place on September 5-6, 2025. The event features a variety of races, including the Hippie Half, Mellow Marathon, and the Hallucination 100 Mile, catering to runners of all levels. Part..

The Wasatch 100 is a challenging ultramarathon held annually in Utah, covering 100 miles through the scenic Wasatch Mountains. The race begins at East Mountain Wilderness Park in Kaysville and concludes at Soldier Hollow in Midway. Participants face approximately 24,000 feet of elevation gain and 23..

The Goat Rocks 50 Miles 2 Day Stage Run is a challenging trail running event set in the stunning Goat Rocks Wilderness, located between Mt. Rainier and Mt. Adams in Washington State.This two-day stage run covers 50 miles of rugged alpine terrain featuring narrow ridgelines, volcano views, meadows, l..

The Superior Fall Trail Race is a scenic and challenging trail running event held in Lutsen, Minnesota, along the Superior Hiking Trail near Lake Superior. Scheduled for September 5-6, 2025, the race offers three distances: a 100-mile ultramarathon, a 50-mile race, and a 26.2-mile marathon. Known fo..

UTMB Index

The American Heroes Run is a commemorative running event held in Longmont, Colorado, designed to honor the heroes of 9/11 and celebrate patriotism. Participants can choose from various race distances, including a 100-mile run, marathon, half-marathon, 9.11-mile run, and a 5K, all set on a scenic 1.0..

The Sole Survivor Backyard Ultra in Richland, Washington, is a unique endurance trail running event inspired by Big's Backyard Ultra. Held at 1200 Carrier Rd., runners complete a 4.16-mile loop every hour on the hour, continuing until only one runner remains. The course features a mix of trail and a..

The Dark Divide Trail Races, scheduled for September 5-7, 2025, offer an exhilarating experience in the stunning landscapes of the Dark Divide Roadless Area in Washington. Participants can choose from various distances, including the challenging 100 Miler, the newly introduced 100K, a 50K, and a 15..

The Ultimook Race Open 5k is an exciting cross-country running event taking place in Tillamook, Oregon, on September 6, 2025. Participants can expect a unique course featuring a mud pit, two river crossings, wood-chipped trails, a corn maze, and beautiful fields of flowers, making it one of Oregon's..

The Mendocino Running Festival, held in Mendocino Woodlands Park, California, offers a unique outdoor running experience amidst ancient redwoods. The event features a looped 6-mile trail course with 875 feet of elevation gain, crossing log bridges and streams. Participants can choose from a 12-hour..

The Cirque Series - Arapahoe Basin is a challenging mountain running event set for September 6, 2025, in Keystone, Colorado. Participants will tackle a 9.4-mile course with an elevation gain of 2,411 feet, starting at 10,780 feet. The race features three divisions: Sport, Expert, and Pro, catering t..

The Odyssey Trail Running Rampage is an exciting trail running event taking place at Douthat State Park in Millboro, Virginia. Scheduled for September 6, 2025, the event features four race distances: a 50K Ultra, a Marathon, a Half Marathon, and a Six-Miler. Participants will experience challenging..