Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 3894 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

Evening 2 mile grass cross country races at Corwin Nixon Park in Mason OH on 08/07/2026 with high school and open divisions and free spectator access.

Join this community run in Eden featuring a fast and flat course through woods trails and high school cross country paths. Open to both runners and walkers with two distance options available during the local festival.

Three days of guided trail runs, lodge accommodations, meals, and trailhead shuttles in Roaring Gap NC.

Experience the final race of the summer at Farmdale Reservoir in Washington Illinois. This five mile trail run features a mix of prairie woods and singletrack paths through a diverse landscape.

A two-day multi-distance run and hike in Snowmass Village offering 3.76k, 5k and a single 10k with an 18.76k challenge and a post-race New Belgium brew.

Three 10K night trail races in Wildwood MO with increasing climb per mile across a three week series, organized by Terrain Trail Runners.

A three day mountain biking and trail running festival in Duluth, Minnesota with races from youth XC and trail runs to multi stage enduro and downhill competitions. Courses include cross country singletrack and technical black diamond trail..

A two-day trail relay at Big Bear Camplands on August 7-8, 2026 featuring 117 miles of course, team entry options, camping, and on-site village activities.

A free 32 hour ultramarathon at Pointe Mouillee State Game Area near South Rockwood, Michigan, on August 7 to 8, 2026. Alternating daytime 8 mile and 4.6 mile loops with a 4 mile nighttime loop; participants carry their own aid.

Late Night With Bear Creek is listed for August 7, 2026 at 101 Doe Mountain Lane in Pennsylvania, United States. The listing provides the event name, date, and location.

Mountain trail running at Mt. La Crosse on August 7, 2026, with sprint, a 2 mile 1000' vertical run, a ruck challenge, and a kids race.

A remote mountain ultramarathon near Sumpter, Oregon offering 53-mile and 50K trail courses with mandatory prior ultramarathon experience; registration includes shuttle, meal, finisher award, and fairgrounds camping.

A family mud and obstacle event in Morganton NC with a one mile course, 16 obstacles, giant sprinklers, inflatables and a lazy river. Registration includes a shirt and medal, photos are free and parking is $10 per car.

Trail races from Fairhaven Park into Larrabee State Park offering 12K, 25K and 50K courses through forests, lakes and narrow ridgelines with significant elevation gain.

A half marathon and a 50K on the Dahlgren Railroad Heritage Trail in King George, VA on August 8, 2026. Mostly flat rails to trails courses with time limits, finisher medals, apparel options and postrace food including free MooThru ice crea..

Trail races of 5K, 10K, and half marathon on Frisco Peninsula trails with lakeshore finishes at Dillon Reservoir on August 8, 2026.

Forest trail races in Tahquamenon Falls State Park in August 2026 offering 50K, 25K and 10K courses with aid stations and a 250-runner limit.

Trail marathon and half in Herriman, Utah featuring extensive single track, significant elevation gain, remote aid stations, and locally made finisher medals.

A single-loop trail event in the La Sal Mountains offering 100 mile, 50 mile, and 50k distances. The 100 mile course averages over 8,700 ft elevation with roughly 25,000 feet of climbing and multiple staffed aid stations.

A Backyard Ultra at Alum Creek State Park where runners repeat a 4.167 mile loop each hour until only one runner remains.

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