Trail Running Calendar United States 2026-2027

A three day mountain running weekend at Skeetawk Ski Area in Hatcher Pass near Palmer, Alaska. Events range from a 1 km youth uphill to a technical 37K skyrunning course with about 11,500 feet of vertical gain.

A weekend trail event at Camp Mack in Newmanstown PA featuring a night 3.5 mile race, chip timed 12/6/3 hour endurance on a 3.4 mile loop, and free kids courses with on site camping and aid at the start finish.

A team-based overnight trail relay at Soldier Hollow Nordic Center near Midway, Utah on August 28-29, 2026. The event covers 120 miles with substantial elevation gain and includes on-site camping and amenities.

Obstacle race weekend at Mahon Ranch near Elk Grove on Aug 29-30, 2026 with Sprint, Super and Kids races, team entry options, and service member discounts.

Trail-style 5K and 10K at Dirt Farm Brewing in Bluemont, VA on August 29, 2026, featuring rugged terrain, steep climbs, and virtual entry options with medals and shirts.

Tough Mudder Chicago at Richardson Adventure Farm on August 29 2026 offers 5K and 15K obstacle runs plus an 8 hour Infinity format, a Mudder Village with food and music, and finisher medals shirts and drinks.

A weekend of Sprint, Super and Beast Spartan obstacle races at Summit Bechtel Reserve on Aug 29-30 2026, featuring steep hills, water features, a suspension bridge, and trail race additions.

Trail races on the Switchgrass single-track at Wilson State Park near Sylvan Grove, KS, offering a 50k and a half marathon with marked courses, staffed aid stations, and substantial elevation gain for each distance.

Trail races at Mt. St. Helens Science & Learning Center offering 50K, 20 miles and a half marathon on remote singletrack with significant elevation change; an alternate 2026 route addresses a road closure.

A 10 hour endurance run at Bluhm County Park on August 29, 2026, using a 4 to 4.1 mile loop completed on an hourly clock. Runners earn chips after four loops to trade for prizes and receive a limited edition shirt and wooden medal.

A trail race on August 29, 2026 in Chequamegon-Nicolet National Forest offering 100 mile, 100k, and 50k distances. Much of the course follows the Ice Age Trail through forests, lakes, rocky terrain, and prairie sections.

A 3 mile obstacle run at Phil Moore Park on August 29, 2026 raising funds for child abuse prevention. Individual and team entries are offered plus a free Kids Mud Bath for children under nine.

A 50 mile point to point ultramarathon on the Baker Trail in Pennsylvania covering the northern section with 6,200 feet of climbing and single track through Cook Forest. Individual and relay entries are available.

A Last Man Standing race near Springfield MO where each lap is a 4.167 mile out and back and the allowed cutoff drops by one minute each lap starting at 60 minutes. One manned aid station and one unmanned aid station support runners.

A timed 8.88 hour multi loop trail event at Sweetwater State Park in Lithia Springs GA on August 29 2026. The course crosses a river, runs through woods, uses chip timing, and has an $88.80 entry fee with registration closing August 22.

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..

Experience the rugged beauty of Salt Springs Park with technical trail races through old growth forests and wetlands. Choose between 5K, 10K, or a demanding 50K ultra featuring 7,000 feet of elevation gain.

Trail event at Queeny Park on August 29, 2026 offering 5K, 10K, 10K Ruck and half marathon with chip timing, aid stations, finisher medal, T shirt, backpack and age group podium awards.

Rock Hawk Trail Races in Philip S. Miller Park, Castle Rock, CO offers 50K, 25K, 10K and 5K on rolling ridgeline trails with cup free aid stations, live split tracking, and official chip timing.