Trail Running Calendar United States 2026-2027

A free PA Trail Dogs event in North Bend PA for kids 12 and under, featuring a marked kids course of about 2.75 miles plus a 5K. Volunteers and an aid station with EMS support are provided on course.

A 50K endurance race along the scenic Denali Highway on June 21, 2026, limited to 50 runners. The course runs from Maclaren Summit to Alpine Creek Lodge with one aid station and a nine hour cutoff; crews and pacers are permitted.

A 100 km point to point race along the scenic Denali Highway on June 21 2026, limited to 50 runners. Mandatory support crews, an 18 hour time limit, and qualifying race requirements apply.

A supported point to point ultramarathon along the Denali Highway in Alaska, covering about 131 miles with roughly 8,800 feet of elevation gain. Runners require a support crew, must meet qualifying race standards, and the field is limited.

Experience a point to point mountain marathon on the Foy's to Blacktail Trail system in Montana. This limited entry event supports local trail maintenance and features a scenic course through wildlife habitat.

Experience a 3.6 mile trail run at French Park featuring meadows and multiple creek crossings. This fourth leg of the Dirt Days Trail Series offers age graded awards and random door prizes in a picturesque Cincinnati park.

A community 5K run and walk through Wildwood Metropark in Toledo raising funds for Metroparks Toledo. Organized by Dave's Running Shop, registration runs Nov 24, 2025 to Apr 28, 2026 with a $30 fee.

An 80s themed boardwalk run and walk at Plyler Park in Myrtle Beach on June 21, 2026, with a 2 mile in-person route and a virtual option. The event is untimed, includes event swag and a costume raffle, and supports Help 4 Kids Backpack Budd..

A trail half marathon in Lynn Woods Reservation on June 21, 2026, run as three identical loops over forested singletrack and carriage roads. The event emphasizes environmental stewardship and uses a centralized start and finish at the main..

A trail event at Turkey Run Park on June 21, 2026 offering a timed 5-mile race with awards and a timed 3-mile fun run, with proceeds benefiting Second Chances Wildlife Center.

A five-race Colorado series consisting of four half marathons and a 25K across mountain towns and trails, held June–September 2026, with series scoring and events organized by HAL Sports and local nonprofit race organizers.

A low key social trail run at Lula Lake Land Trust offering 5K and 15K courses. The 5K is relatively easy while the 15K includes a rope section and a steep descent to Lula Falls. Proceeds benefit Lula Lake Land Trust.

Muddy Princess Boston is a women-focused 5K obstacle mud run at Kimball Farm in Haverhill, MA on June 21, 2026. The event features muddy obstacles, hydration and rinse stations, participant items and a partnership with the National Breast C..

Experience a scenic 5 mile trail run through Lancaster County Central Park featuring grass paths and water crossings. Compete for age group awards and enjoy a post race prize raffle in a beautiful natural setting.

Experience a focused uphill challenge at the Bird Ridge Hill Climb in Indian Alaska. Choose between the three mile Full Climb or the shorter Jack's Run for a vertical racing experience organized by the Alaska Mountain Runners.

A community-focused trail festival in Gold Hill, Colorado, with 28K, 12K, 5K and Kids 1K races, a shuttle from Boulder, and proceeds supporting wildfire preparedness for the town.

Three one mile races on track, grass and road at a single venue in Clark, New Jersey. Each mile is timed separately and cumulative times decide overall scoring, with two hours allotted to complete all three.

A trail 5 km race at Libby Hill Forest Trails in Gray, ME on June 21, 2026. Online registration is $15 through June 19, race day registration is $20 and students enter free. Proceeds support trail maintenance and door prize drawings are pla..

A farm-based cross country event at Scholl Farms in Montague, Michigan featuring 5K and 10K courses, a 1K kids race, a dog division, awards, potluck and optional tie-dyed shirts.

TSR Trail Race is a loop-format trail run on June 21, 2026, in Adams, MA, featuring hand and machine built singletrack with climbs, descents, and a gravel meadow loop; proceeds support Thunderbolt Ski Runners' trail stewardship.