Trail Running Calendar United States 2026-2027

An unsanctioned, route-choice run in Chino Hills on June 6, 2026 covering more than 4 miles over gravel and trail. Runners navigate four checkpoints on an open course and compete for cash prizes.

A family friendly 5K mud run at Barona Oaks Motocross Park in San Diego on June 6, 2026. The course features mud pits, obstacles, and slides and the day includes a Pre Party and an After Party with music and food trucks.

A community 5K run and walk on June 6, 2026 at the Prisma Health Swamp Rabbit Trail Extension in Clinton, SC supporting the Laurens County Trails Association. A Healthy Living Fair with vendors and trail activities follows the race.

Baby Shippey is a rugged trail event at Beaumont Reservation in High Ridge, MO offering a rocky half marathon and a steep 10k with technical terrain, aid stations, packet pickup at Cub World Building, and awards for top finishers.

A mountain trail event in Roxbury, NY on June 7, 2026 offering a 6.5 mile race with 3500 ft gain and a 5k with a steep opening climb and downhill finish, with awards and finisher swag.

Join an inclusive superhero themed event at Seneca Park featuring a 5K road run and a paved one mile walk. Celebrate the mission of the Rochester Hearing and Speech Center with family activities and ice cream for all participants.

An uphill event in Ashland, OR featuring a 13.3 mile course that gains one mile of vertical to Mt. Ashland summit, with mountain bike and hike options. Race fees include a shirt, lunch, and beer and funds support local trail nonprofits.

A final edition trail race at Devil's Backbone Open Space in Loveland, Colorado featuring a looped 10k+ course, a staffed water stop near 3 miles, flour-arrow markings, informal stick-based placings, and an awards gathering at Loveland Alew..

A trail marathon relay and 8K in Griffith Park on June 7, 2026, featuring a true loop course with varied terrain, team relays or solo 8K, three aid stations, chip timing, race shirts and medals, music, food trucks and cash awards.

Experience the 42nd annual Lake Chabot Trail Challenge featuring a scenic half marathon loop and a paved 5K run. Enjoy views of the San Francisco Bay and Mt Diablo while competing for medals on chip timed courses.

Trail races along the Route of the Hiawatha near Taft, Montana on June 7, 2026, featuring an out-and-back course through forests and historic train tunnels. Distances range from 10K to 50K and a virtual option is available.

A mostly trail, low frills half marathon at York River State Park on June 7 2026 with a new Hike a Half option, marked trails, aid stations, and a five hour time limit.

A trail running event at Chester Woods in Eyota, Minnesota on June 7, 2026 offering 5K, 10 mile, 20 mile and 50K looped courses with registration open October 1, 2025 and no race cutoffs.

A trail run at Westport Rivers Vineyard & Winery on June 7, 2026, covering about 3 miles of mixed trails and finishing among the vines. The event includes dinner, wine, music and a souvenir wine glass, with BBQ only options available.

A largely downhill marathon and half marathon through the Snoqualmie Tunnel near Snoqualmie Pass, WA, using an alternate 2026 route with about 1,000 feet net elevation drop and USATF certification.

A two-lap mountain race at Mount Sunapee Resort on June 7, 2026, covering about 9.3 miles and 3,300 feet of climbing. Hosts the 2026 USATF and Collegiate Mountain Running Championships and offers $30,000 in cash prizes.

A community 5K on the Sugar Hill Greenway with chip timing, race shirt, finisher medal, and a complimentary mimosa or juice. The event includes a Sip & Stroll and a virtual option and supports the Georgia Alliance for Breast Cancer.

Run for the Hills in Corvallis on June 7, 2026 features trail races of 30K, 8K, a 2 mile and a 1/4 mile kids run. Proceeds support the Greenbelt Land Trust Trail Fund and the event has raised over $85,000 in 17 years.

A low cost trail race at Oak Mountain State Park, the 10 mile course uses mostly single track with about 2,000 ft of climbing and one aid station just past halfway. Park entry requires a $5 cash fee.

The Run for Woods 5K will take place in Langhorne Manor on Sunday 7 June 2026.