Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4091 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

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.

Trail races in St. Croix Falls on August 29, 2026 featuring marathon, half marathon and 10K courses over single track, gravel and paved surfaces. Online registration runs Nov 28 2025 to Aug 25 2026 with a 150 runner limit.

A trail race weekend in Waterville Valley, New Hampshire, offering *50K*, *23K*, a 4 mile trail, and a 1 mile Bear Cub Fun Run; the 50K includes 7,700 feet of climbing and requires specific mandatory gear.

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.

Muddy Dash Mechanicsville is a 5K mud run at Budds Creek Motocross Park with obstacles, mud pits and slides plus a festival style after party with music, food and beer. Registration options include standard and VIP packages.

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.

A mountain trail event in Steamboat Springs offering 50k, 16 mile and 5 mile courses with high-elevation climbs, cupless aid stations, and limited crewing at Rainbow Saddle. Proceeds support trail maintenance.

TANRI Lake Race at YMCA Sequoia Lake in 2026 features relay teams, a single-loop 10K and a 10-hour individual lap event. Courses use 5-mile loops, offer prize payouts, and include a Tanri hat plus Saturday dinner with registration.

Trail races of 50K, 10 miles and 5 miles at Scott County Park near Long Grove, IA. The event uses a roughly 10 mile loop, has stocked aid stations, and allows pacers for the 50K with online registration only.

A community run on Table Rock Trail near Boise that follows an approximately 3.8 mile round trip course with 900 feet of climb. Proceeds support scholarships for Idaho students and the LESS Society mission.

Trail runs and walks on August 29 2026 at Phillips Creek State Forest offering 5K, 10K, and a newly added 25K over varied forest trails with creek crossings, mud, and rolling terrain.

Trail races at the Lewis and Clark Trailhead near St Charles include a 13.1 miles half plus separate 8 miles and 5 miles loops. Aid stations offer water and Tailwind and each runner receives a reusable cup at packet pickup.

A free, one-day community trail running festival in Los Angeles on August 29, 2026 with a group run in 5K and 10K options, an expo with vendors and race directors, food, and a raffle showcasing local running resources.

A backyard ultra in Bussey, IA where runners complete repeated **4.167 mile** laps each hour up to a 12 hour cap; the last runner to complete an extra lap wins, and all others receive results by distance or laps.

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