Trail Running Calendar United States 2026-2027

A point-to-point trail race around Emerald Bay in Lake Tahoe, covering about 7 miles / 11 km on mostly single-track terrain with moderate climbs, technical granite steps, scenic lake views, shuttle service, and standard race amenities.

Experience the mountain trails of Douthat State Park with four race distances ranging from six miles to a 50K ultra. Runners will navigate waterfalls and climbing sections within the scenic Virginia State Park Adventure Series.

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 ten mile trail race along the Pacific Crest Trail near Winthrop, WA with six self seeding waves and a free entry option for runners 17 and under who register and sign a waiver. Registration is limited and has an August 1 deadline.

Trail races along the Mogollon Rim near Pine, Arizona featuring a roughly 100 mile ultramarathon and a 42 kilometer course. The routes include rim-top singletrack, large elevation gain and variable mountain weather.

A trail running festival at Mendocino Woodlands Park with a looped single-track course through ancient redwoods, offering a half marathon, 10K and timed 6 hour and 12 hour formats, plus on-site camping and weekend food options.

A trail race at Clinton State Park offering 100-mile, 50-mile and marathon distances on a 25-mile loop. The event features staffed aid stations, chip timing, and distance-specific finisher items including a 100-mile buckle.

Trail races at Ontario County Park in Gannett Hill near Naples NY offering long and short course options plus 1/2 marathon and 5 mile entries. The weekend includes post race food, beverages, giveaways and on site physical therapy support.

A trail event in Rosendale, NY on the Shawangunk Ridge Trail offering 70 mile, 30 mile, and half marathon divisions. The course crosses varied terrain and is minimally supported so participants must carry food and water purification.

A four mile obstacle course race in Tulsa on September 12, 2026 featuring over 25 obstacles and a kids course for ages 12 and under. The event is family owned and will be the only Conquer the Gauntlet race in 2026.

A trail race at Pleasant Creek County Park in Palo, Iowa offering 15K, 30K, and 45K on a 15K equestrian loop with dirt and grass trails, rolling hills, post-race cookout, awards, and timed results.

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 running event on an about 1 mile paved loop in a 58 acre Chicago park, offering 3 hour, 6 hour, and 12 hour formats plus relay options and hourly on course challenges.

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.

Tough Mudder Big Bear on September 12, 2026 features 5K and 10K obstacle courses at Bear Mountain in Big Bear Lake, CA, with finisher medals, shirts, headbands and spectator and group options.

Trail running at Snow Mountain Ranch near Granby, Colorado offers distances from 5K to 50K on high-elevation dirt trails with notable climbs, multiple aid stations, and specific time limits for longer courses.

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.

A point-to-point trail event in Sylacauga, AL offering 50-mile, 50K and 25K options along the Pinhoti Trail with ridge views, multiple aid stations, set time limits, and camping at Lake Howard.

Trail running at Johns Island County Park on a roughly 3.3 mile loop with marathon, half marathon, 10K and 5K options. Central aid station, on site camping, and volunteer hours reduce entry costs.

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.