Trail Running Calendar United States 2026-2027

A demanding 17.1 mile mountain trail race connecting Ouray and Telluride over the high altitude Imogene Pass. This event features steep rocky terrain and strict cutoffs for prepared athletes.

A 10 mile trail race along the Pacific Crest Trail near Winthrop, WA on September 12, 2026. The field is limited to 460 runners and the event uses six self seeded waves; youth 17 and under race free with required registration.

A point to point trail event on the Mogollon Rim near Pine, Arizona, offering about 102 miles and a 42 kilometer race across varied, technical forest and Rim terrain with significant elevation gain.

Sterling Down & Dirty 5K is an annual family friendly obstacle race on Stratford Short Beach each September. Participants tackle more than 18 obstacles, join teams to fundraise for the Sterling Community Center, or volunteer on race day.

A trail festival in Mendocino Woodlands Park featuring a 6-mile redwood loop with two aid stations, half-marathon and 10K options, plus 6- and 12-hour timed formats, on-site camping choices, meals, live music, and festival amenities.

A trail event at Clinton State Park offering 100 mile, 50 mile and marathon distances on a 25 mile loop. Marathoners run an extra 1.2 miles before the loop; three staffed aid stations, chip timing, and defined cutoff and deferral policies a..

Trail races at Ontario County Park in Naples NY offering a long and a short course listed as a half marathon and a 5 mile option, with camping, evening social events, post race food and vendors, and volunteer incentives.

A trail event on the Shawangunk Ridge near Rosendale offering 70 mile, 30 mile, and half marathon divisions over rugged, minimally supported terrain with shuttle logistics and enforced checkpoints.

Conquer the Gauntlet Tulsa is a four mile obstacle course on September 12, 2026 featuring more than 25 obstacles. The family owned organizer lists youth registration and group pricing options.

Pleasant Creek Trail Run in Palo, Iowa offers three loop-based distances on the park's 15K equestrian outer loop and includes timing, awards and a post race cookout. The event is organized by the Eastern Iowa Trail Alliance.

A longstanding Nederland, Colorado running event offering a 5K road run, a 10K trail, and a trail half marathon, with family-friendly features, on-leash dogs allowed in the 5K, and costume encouragement.

A timed urban ultra at Horner Park with 3, 6 and 12 hour options on a short paved loop, hourly challenges, a single aid station, and two or four person relay teams.

Three trail races in Camden Hills State Park present 10K, 20K and 50K courses around Mount Megunticook, with routes ranging from steep singletrack to wide gravel trail and an Indigenous land acknowledgement and giving option.

An obstacle course event at Bear Mountain on September 12, 2026 with 5K and 10K options featuring multiple named obstacles. Finishers receive medals, a shirt, a headband, and a finisher drink while spectator and group options are available.

Snow Mountain Ranch in Granby, CO offers five trail distances from 5K to 50K at the YMCA of the Rockies, with varied out-and-back and looped courses on dirt trails. The 50K allows a pacer on the final loop and multiple aid stations support..

Point to point trail race on the Olympic Adventure Trail finishing at Lake Crescent. Offers half marathon, marathon and 50K distances with mandatory shuttles, cupless aid stations, and a lakeside finish at Log Cabin Resort.

Rebecca Mountain 50 Mile is a point to point trail event near Sylacauga Alabama on September 12 2026. It offers 50 Miler and 50K options along the Pinhoti Trail with ridge views and staffed aid stations.

Trail running at Johns Island County Park on a roughly 3.3 mile loop with 5K, 10K, half marathon, and marathon distances. On-site camping, packet pickup, an aid station at the start/finish, and volunteer discount options are available.

Experience a unique multi-terrain race through the scenic sand dunes and woodland trails of Western Michigan. Scale the iconic steps of Mt. Baldhead and celebrate your achievement at a festive post-race party in downtown Saugatuck.

A point to point marathon and half marathon on the Palouse to Cascades Trail in North Bend, WA, featuring downhill profiles, a Snoqualmie Tunnel section, lake views, USATF certification and timed race services.