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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 3923 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!

August 2026
A trail and road race through Henry Cowell Redwoods with a 10K and a 1-mile kids race starting and finishing at Roaring Camp Railroads in Felton.
A community 5K run or walk at Lake Padden Park on August 16, 2026 raising funds for rescue dogs through the volunteer group Happy Tails Happy Homes.
An eight mile trail run on a well-groomed unpaved carriage path beside the Ashokan Reservoir in West Hurley, NY, limited to 100 runners with age-group awards and a commemorative item for early registrants.
Scenic, dog friendly 5K run and walk along shaded paths by Jones Mill Run and Laurel Hill Lake during the Laurel Hill Bluegrass Festival.
Epiphany Cross Country in New Bern on August 17, 2026 features separate girls and boys 5K races. Entry has no fee and registration was recorded on December 7, 2025.
A hilly trail 5k at Lory State Park on August 18, 2026 with about 700 feet of elevation gain, a 100-runner cap, chip timing, and pizza and beverages provided after the race.
A four‑race midweek trail series at Lory State Park in August 2026 offering 5k, 10k and 12k courses with varied elevation. Series and per-race registration, post-race food and drinks, and end-of-series awards for top points scorers.
A 5K cross country race at Penitentiary Glen Reservation in Willoughby on August 18, 2026. The course mixes grass fields and crushed limestone trails, with separate races for male and female competitors and open entry for kids and adults.
Weekly trail races at Catamount Outdoor Family Center in Williston, VT, with 5 km, 2.5 km half lap, and a cubbies category for ages 5 and under. Events run rain or shine with a stated thunder and cancellation policy.
Explore the scenic trails of Monroe County during this four part mid week race series. Enjoy chip timed runs through various local parks along with post race cookouts and custom series participant awards.
A 200 mile loop race through the La Garita mountains, starting and finishing in South Fork, CO, with a short out and back section and high points near 13,000 feet.
An evening 4 mile out and back run on the NCR Trail at Paper Mill in Cockeysville, part of the BRRC Grand Prix Series on August 19, 2026.
Trail races at Snowbird Resort on July 15 and August 19 with long and short courses, post race yoga and live music on August 19.
The Augúst, Montana's second oldest footrace, holds its 58th running in Helena on August 20, 2026. A 5K trail race presented as a minimalist fundraiser for local high school cross-country teams.
A two day trail event at Silver Mountain Resort in Kellogg, Idaho featuring a 13K with over 2,000 feet of climbing and a 2 mile course, gondola access to the start, a vendor village, swag and giveaway prizes.
A six-hour trail challenge in Oklahoma City where runners run a 5K each hour, earn patches or a medal, and compete for local and national prizes.
A team trail relay at Crystal Mountain Resort on Aug 21-22, 2026 with alpine loops, significant elevation gain, and a mid-race gondola ride.
A monthly Friday evening 5K series at Arizona Falls with live chip timing, three collectible desert-themed medals, and a virtual option. The events raise funds for Child Crisis Arizona.
Trail races at Camp Ondessonk in Ozark, IL featuring 100 mile, 100K, 50K, Night 50K and a half marathon on figure eight loops through sandstone canyons.
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