Trail Running Calendar United States 2026-2027

Trail race in the Chequamegon Nicolet National Forest offering 100 mile 100k and 50k options, campground camping at Spearhead, with much of the route on the Ice Age Trail.

A muddy 3 mile obstacle run at Phil Moore Park on August 29, 2026, with 20 or more obstacles and a free kids play area.

A point to point 50 mile ultramarathon on the northern Baker Trail near Vowinckel and Brookville PA, featuring 6,200 feet of climbing, individual and relay entries, aid stations, medal series rewards, and pre race training runs.

A Last Man Standing ultramarathon in Half Way, Missouri with repeated 4.167 mile out and back laps and a cutoff that decreases by one minute each lap. The rural sealed road course features aid at the start and the turnaround.

An 8.88 hour timed trail event in August in Atlanta with multi-loop laps over river and through woods. The race has a no DNF, no cutoff, no crew policy and a flat $88.80 entry fee.

Trail races on August 29 and 30, 2026 offering 50 Mile, 50K, 26.2 Mile and 13.1 Mile distances. Registration is closed and a wait list will be available; organizers state the race includes notably large finisher medals.

Trail races at Grand Targhee on August 29, 2026 cover 7.1 miles with 2,212 feet of vertical gain across Sport, Expert, and Pro divisions plus a volunteer category. Per race prizes and season points are awarded and the field is capped at 500..

Join this summer event at Magnuson Park in Seattle featuring traditional road races and an obstacle dash. Choose from distances ranging from a kids 400m to a 15k run in a beautiful Pacific Northwest setting.

Trail races at Salt Springs Park on August 29, 2026, offering 5K, 10K and a 50K five-loop course through old-growth forest with steep climbs, technical single track, aid stations for the 50K, chip timing, and volunteer-supported park benefi..

Rock Hawk in Castle Rock, Colorado runs on the Miller Park and Ridgeline trails with 50K, 25K, 10K and 5K options. The event features cup-free aid stations, drop bags, chip timing and live split tracking.

Trail races in St. Croix Falls, WI offering Marathon, Half Marathon and 10K on mixed single track, gravel and paved surfaces. Online entries limited to 150 and registration runs Nov 28, 2025 to Aug 25, 2026.

Trail races in Waterville Valley, NH featuring distances from a 1 mile fun run to a 50K with 7,700 feet of climbing and required gear for the 50K.

A trail event at Kansas Maze in Buhler, Kansas that sends runners through over 20 acres of sunflowers. Offers 5K and 1 mile options on August 29, 2026 with finisher shirts, medals, and on site festival perks.

Scenic 5 km and 10 km races on the trails of Mason District Park in Annandale, with in-person and virtual entry options on August 29, 2026.

Family friendly mud run at Budds Creek Motocross Park on August 29, 2026 featuring a 5K course with obstacles, mud pits, slides and a festival style after party.

Trail races at Huddart Park, King's Mountain and Bear Gulch offer measured distances from a 50 yard kids dash to a 50K, with fees listed per distance and registration opening November 11, 2025.

Trail races held from the Torian Plum Lawn in Steamboat Springs offering 50k, 16 mile and 5 mile options across high alpine terrain with cupless aid stations, limited crew access, and awards including finisher mugs and age group prizes.

TANRI Lake Race 2026 at YMCA Sequoia Lake features a 10-hour individual lap race, a 3-person relay on 5-mile loops, and a 10K single loop, with prizes, a hat and dinner included and a raffle for individual runners who complete eight laps.

ScoCo50 is a trail race at Scott County Park near Long Grove, IA offering 50K, 10 mile and 5 mile options on mixed dirt and grass trails, with aid stations, drop bag access, and limited crew and pacer allowances.

The 3rd Annual LESS Society Table Rock Hike in Boise follows the Table Rock Trail for about 3.8 miles with roughly 900 feet of gain; proceeds fund scholarships for Idaho students.