Trail Running Calendar United States 2026-2027

Trail races at Douthat State Park featuring a roughly 13-mile loop used for a 50K, marathon, half marathon, and a six-mile race, with multiple aid stations, loop-based finisher rules, and limited field sizes.

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.

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 race weekend at Mendocino Woodlands Park featuring a half marathon, 10K and 6 and 12 hour timed events, combined with camping options, weekend food passes and evening live music.

A trail ultra at Clinton State Park built on a 25-mile loop, the Hawk Hundred offers 100, 50 and marathon distances with staffed aid stations, chip timing, and defined cutoff and deferral policies.

Trail races at Ontario County Park in Naples, NY on September 12, 2026, offering a long and short course alongside camping, post-race food and drink, event apparel, and awards for overall finishers.

A multi-division trail event on the Shawangunk Ridge near Rosendale NY offering 70 mile, 30 mile and half marathon options on an unsupported, fully blazed route with shuttle access and finisher shirts and medals.

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 Park in Palo, Iowa on September 12, 2026 offering 15K, 30K and 45K on a 15K equestrian loop. Dirt and grass trails, rolling hills, awards and cash prizes for top finishers.

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.

Timed ultrarunning at Horner Park with 3, 6, and 12 hour options, looped laps, hourly playful challenges, relay team choices, and an aid station at the start finish.

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.

Trail running at Snow Mountain Ranch near Granby, Colorado, with 50K, 33K, half marathon, 10K and 5K on dirt trails through aspen groves and mountain views. Courses are high altitude with aid stations and a cupless race policy.

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.

Point-to-point trail event near Sylacauga offering 50-mile and 50K options along the Pinhoti Trail across Horn and Rebecca Mountain, with aid stations, bus transport from Lake Howard, and set time limits of 16h and 10h.

Trail running event at Johns Island County Park on a 3.3 mile loop offering 5K, 10K, half and marathon options. The event includes on-site camping, a stocked aid station, finisher medals, and a youth discount.

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.