Trail Running Calendar United States 2026-2027

A community organized **5K** around Lake Padden in Bellingham on August 16, 2026, hosted by nonprofit Happy Tails Happy Homes. The mostly wooded course includes one brief steep section and three rolling hills; advance and limited race day r..

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.

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.

The Rocky Mountain Milestone Challenge will take place in Granby from Wednesday 19 August 2026 to Sunday 23 August 2026. You can run between 13 and 100 miles.

A 200 mile loop race through the La Garita mountains around South Fork, CO, reaching elevations just under 13,000 feet. Organized by Tempest Adventures, registration closes Aug 1 and the listed entry fee is 1268 USD.

A four mile out-and-back run on the NCR Trail from the Paper Mill parking lot in Cockeysville on August 19. The event is part of the Baltimore Road Runners Club Grand Prix Series and is scheduled as a weekday evening club run.

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 two-day team trail relay at Crystal Mountain Ski Resort on August 21 and 22, 2026, featuring three National Forest loops, a mid-race gondola ride, and alpine views of Mt. Rainier. Multiple team formats and pricing tiers are available.

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 across sandstone canyons and waterfalls. Multiple distances on mostly single track, technical terrain with five manned aid stations and onsite tree house lodging.

Fixed-time ultras of six and twelve hours take place on a 500 meter flat gravel loop at historic Nardini Manor in Buckeye, Arizona. The event features an on-course aid station, cupless refills, crew zones, and onsite parking.

A trail half marathon in Hood River, Oregon on August 22, 2026 with about 2,300 ft of elevation gain, mountain views and creek crossings. The event is cupless, requires personal water, includes two official aid stations and finisher prize b..

Trail races in Windham, ME offering 13M, marathon and 50K on technical single track through Lowell Preserve and North Falmouth Community Forest. The event supports local trail nonprofits and requires a participant donation and proof to conf..

A point-to-point 100K on August 22, 2026 in Naples, NY along the Bristol Hills Branch trail, with a 20 hour cutoff, UTMB and Western States qualification, Friday-night shuttle service and free camping both nights.