Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4046 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

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.

A weekly trail running race at Catamount Outdoor Family Center in Williston VT on August 18 2026 offering 5 km and 2.5 km race categories with adult and youth entry options.

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 multi-day challenge at Snow Mountain Ranch where runners repeat a 10 mile loop to cover as much distance as possible within a 60 hour window, with lodging, meals, coaching and recovery services included.

A new 200 mile loop ultramarathon in the La Garita mountains near South Fork, Colorado, featuring riverbank start, high alpine sections to just under 13,000 feet, pine forest and tundra terrain before returning to South Fork.

A four mile out and back run on the NCR Trail starting from the Paper Mill parking lot in Cockeysville. This weekday evening event is part of the Baltimore Road Runners Club Grand Prix Series.

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 team relay at Crystal Mountain on August 21-22, 2026 featuring three alpine trail loops, a mid-race gondola ride, and views of Mt. Rainier. Multiple team formats are offered, plus on-site camping and glamping at Ragnar Village.

A three‑event Friday evening 5K series at AZ Falls with chip timing, age group awards, raffle prizes and collectible desert themed medals; the series supports Child Crisis Arizona and includes a virtual race option.

Trail races at Camp Ondessonk in the Shawnee National Forest featuring multi-loop 100 mile and 100K options, waterfalls and sandstone canyons, technical single-track terrain, five manned aid stations, and included tree house lodging for run..

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 with about 2,300 ft of climb, two official aid stations, and scenic views into Oregon and Washington. The cup free event requires a 24 oz minimum water bottle and includes finisher prize bags and bonus pr..

Trail races in Windham, Maine on technical single-track loops with 13M, marathon and 50K options, two aid stations, required participant donation with proof, and a no-refund policy.

A point to point 100k+ trail race in Naples, NY, through mostly single track in the Finger Lakes. The course has a 20 hour cutoff, 11 aid stations, and serves as a UTMB and Western States qualifier.

A 14-mile trail race at Hyner Run State Park with a 7K option. The single-track course in Sproul State Forest is open to runners and speed-hikers, requires a qualifying time and enforces a 4.5 hour cutoff.

A two-day gravel run weekend in Lincoln, Nebraska offering 50k, half, 10k and 5k races on mostly gravel roads with hilly terrain. The event is self-supported with aid stations, marked courses and enforced time limits.

A 100 mile out and back ultramarathon in the Colorado Rockies on August 22, 2026, featuring roughly 15,492 feet of elevation gain and a peak near 12,500 feet at Hope Pass. The route has 11 aid stations, designated crew access points, and be..

A trail race day at Tryon International Equestrian Center offering marathon, half and 10K distances on a 6.5-mile loop through packed paths, single-track and meadows, with one cup-less aid station and on-site camping.

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