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Trail Running Calendar United States 2026-2027

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Explore the best trail runs in the United States for 2026-2027! Our updated list features 4137 exciting trail runs across the country. Find your next trail run in the United States below and join the trail community at these great events!

September 2026
Trail races at ACE Adventure Resort in the New River Gorge on September 26, 2026, offering marathon, half marathon and 5K with camping, medals, shirts and a burrito buffet.
A family friendly 5K mud run in Conroe with obstacles, mud pits, a pre party and packet pickup at Three Palms Action Sports Park on September 26, 2026.
Erik Gray Challenge at Southview Trails on September 26, 2026 in Cedar City includes a 5k, a 1 mile, a kids race with shirt and medal, and a virtual 5k. Proceeds will raise money for a local Cedar City resident with cancer and a raffle will be held.
A 13th annual 6.6K at Watkins Mill State Park with in-person and virtual options, a certified trail around Williams Creek Lake, race packages, and proceeds supporting the historic site.
A 7 mile trail race at Stillwater Prairie Reserve near Covington, Ohio, run as two 3.6 mile loops with dirt, gravel and meadow sections and river crossings. ORRRC members pay no fee while non-members ages 15 and up pay ten dollars.
Trail event on September 26, 2026 offering 23 mile, half marathon, 11K and 7K courses on single track and forest roads; proceeds support local youth sports.
Experience a flat and fast out and back race on the historic Flint Hills Trail featuring multiple distances from a 5K to a 100 miler through the Kansas prairie.
Experience the natural beauty of the Manistee National Forest with 15 mile, 45K, and 50 mile trail races through the scenic woods of Big Rapids, Michigan.
Trail race at George Wyth State Park in Waterloo, IA offering 13K single loop and 25K two loop courses on mostly smooth dirt single track with limited aid.
A cross-country event in Talent, Oregon featuring a community 5K and a free elementary mile; proceeds support Talent Middle School Cross Country.
Sky Island in Fort Davis Texas on 26 September 2026 features trail races on single track West Texas trails. Distances include 31 miles, 17 miles and 9.5 miles, with lodging options at Prude Ranch and Indian Lodge.
Experience a pure test of endurance in this official Backyard Ultra where runners complete 4.167 mile loops every hour until only one participant remains standing.
Chip timed 5K at Nissley Vineyards on 09/26/2026 featuring a scenic cross country style course, post run music and wine, supporting the HEADstrong charity.
A community running festival at Hays Farm Park with a certified half marathon, a timed 5K and a 1-mile fun run plus vendors, classes and door prizes.
A 30K trail race at Mt. Airy Forest in Cincinnati run as three 10K loops, with a finisher t-shirt, medal, ATR series points, and a five-hour course limit.
A clothing optional 5K at Oaklake Trails in Depew, OK, with park entry, pre-race refreshments, and a keepsake magnet; first-time or long-time-away visitors must complete a background check before arrival.
Trail races and an 8.5 mile trek on the Birkie Trail in Cable, WI on September 26, 2026, including marathon, relay, half, new 10K, 5K, and kids events.
An in-person event on September 26, 2026 in Brunswick, MD featuring a trail-based 5K and timed 3-hour and 6-hour challenges on a 5 mile loop. Proceeds support Brunswick High School Track and Field equipment.
Experience the extensive single track trails of the Boise Foothills in this premier trail event. Runners can choose between 50 mile, 50K, and 27K distances starting from Fort Boise.
A 5K trail run at Goddard Park on September 26, 2026 featuring fields and wooded trails along Greenwich Bay, open to all ages with age group awards.
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