Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4033 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

A weekend trail relay at Pocahontas State Park featuring lake side single-track loops, camping in Ragnar Village, and team options from 3 to 8 runners. The course totals 120 miles with about 15 miles per runner and varied park amenities.

Timed 12, 24 and 48 hour races run April 23 to April 25, 2027 in Abilene, Kansas on a certified 1.8228 mile paved loop. Buckles are awarded at six set distances and runner lodging is included with entry.

A last man standing backyard ultra held on single-track trails at Wilson State Park. Runners repeat 4.167 mile laps with one hour to complete each lap; crews are limited and aid is at the start finish only.

A trail event at Lake Chabot Regional Park offering distances from a 50‑yard kids dash to a 50K ultramarathon. The looped course circles the Lake Chabot reservoir and surrounding hills with measured distances.

A two-day Spartan obstacle race weekend at Mountain Creek Resort in Vernon, NJ featuring Sprint, Super, Beast, Ultra and kids races, plus team options, volunteer roles, spectators, and a service member discount.

Tough Mudder Atlanta at Bouckaert Farm on April 24, 2027 features 15K and 5K courses with multiple obstacles, muddy forest trails, finisher items, and a Mudder Village festival with entertainment and local food.

A 5K obstacle run with 26 obstacles through woods, fields, ponds, and mud plus a 1-mile fun run at Seamark Ranch; the event raises funds for Seamark Ranch, a Christian boys' and girls' home, with free parking and no-refund policy.

Run The Rolling Hills Trail Race in Campbellsville, Tennessee on April 24, 2027 features cross country trail courses through Giles County countryside, with options of a 10K, 5K, and a kids 1 mile.

A women's focused trail event in Moab on April 24, 2027 with 50K, marathon, half and 15K options across slickrock, sandy washes and jeep trails; cup-less aid stations serve water and Gatorade and free camping is available at the event base..

Coldwater Traverse in Ogden, Utah offers 16 Miler and 11 Miler trail runs along the Bonneville Shoreline Trail on April 24, 2027. Organized by Run the Skyline, registration closes April 11 and fees range from $57.12 to $76.56.

A looped ultrarunning event at Deer Grove Forest Preserve west in Palatine, IL offering 50-mile, 50K, 25K and 5.5-mile races on mostly wide, nontechnical trails. The course uses 5.5-mile laps with one aid station at the start and finish.

A timed ultradistance event on a flat, USATF-certified 2.00-mile loop in East Ridge, TN, offering 3-, 6-, 12- and 24-hour races with aid stations, camping options, and awards including special recognition for 50K, 50-mile, and 100-mile mark..

A 24-hour solo and team event on a flat 3.75 mile dirt loop in Hampton, VA, with milestone plaques, technical shirts, and awards; registration opens in January and entries are limited to 200, supporting the American Cancer Society.

Timed trail events of six, twelve and twenty four hours on a 3.55 mile loop with one aid station. Full loops count and a short out and back opens in the final 30 minutes to add mileage.

Point to point and out and back ultramarathon options in Michigan's Thumb with 50 Mile, 50K, relay, ruck and virtual divisions. The mostly dirt course has modest elevation gain and staffed aid stations.

A women-centered trail event at Lake Mohegan offering 5K, 10K, and a 4-hour loop on a 3.2 mile trail. The race is open to non-binary runners, follows a cupless aid policy, and includes finisher medals and post-race refreshments.

A trail event through Methow Valley sunflower meadows between Mazama and Twisp offering a full marathon, a 13 mile half, and relay teams of two to five. The event is in Winthrop WA on April 24, 2027.

The Atlanta Hurricane Heat at Bouckaert Farms on April 24, 2027 offers 4-hour and 12-hour formats; the 12-hour Heat requires participants to be 18 or older, with ticket prices starting at $75 for the 4-hour and $135 for the 12-hour.

C&O Canal 100 is a 100 mile ultramarathon along the C&O Canal towpath in Knoxville, MD on April 24, 2027. The course uses one approximately 40 mile loop and two approximately 30 mile loops with multiple aid stations and volunteer support.

No Foolin' Foot Race in San Carlos on April 24, 2027 offers 15K, 10K, 5K and a 1K kids trail course across Big Canyon, Eaton and Pulgas Ridge, with proceeds supporting local open space trail maintenance.

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