Trail Running Calendar United States 2026-2027

Experience an intense mountain trail race at Swain Ski Resort featuring 2500 feet of elevation gain across two loops. This USATF Niagara Championship event tests runners with steep ski slope climbs and rapid descents.

A trail race in the Marin Headlands with 8K, half, 30K and 50K options along coastal single-track and fire roads, marked courses, cupless aid stations, and a 350 runner capacity.

A mud and obstacle 5K at Three Palms Action Sports Park in Houston with 11 plus obstacles, pre race festival activities and a finish line festival with food and music.

A family-friendly 5K mud run on August 1, 2026 at 508 INTL- Adventure Sports Center with obstacles, mud pits, a pre-party, and a post-race festival.

Two mountain trail races on Mount Ellinor in early August 2026, featuring a 24 km Skyrace in the Skyrunner World Series and a 10 km Forest Loop.

Backyard ultra at Foys Lake with a 4.167-mile loop each hour; a solo last-person-standing format and a team relay option with a 24-hour limit, plus a 3K kids fun run.

A multi-loop trail marathon near Soda Springs, CA covering about 26.4 miles and 4,300 ft of gain across Royal Gorge land, with a central aid station, solo and relay options, parking at Soda Springs Ski Resort, and shuttle service to the aid..

Free 5K trail event in Wellsboro PA for children 12 and under featuring a hilly loop, stream crossings and on course volunteers.

A certified 8K out and back on the Katy Trail at McBaine with staggered starts based on predicted finish times. Registration is online only; Columbia Track Club members enter free and other participants pay $10.

An overnight 10-hour looped trail ultra in the Lafayette/Carencro area with a cupless aid station, mandatory lights and hydration, and awards for five or more completed laps.

Experience the ultimate test of versatility at North Park with road and trail races. Choose a single discipline or tackle the combined challenge across the scenic lakefront and wooded switchbacks of Pennsylvania.

Point to point trail races near Fairbanks offering 50 mile and 50K courses with ridge line terrain, shuttle service, drop bag support, and large elevation changes.

Trail races at Monte Sano State Park on August 1 featuring 5 Mile and 10 Mile options, aid stations, cupless policy, and event cap of 400 runners.

A Backyard Ultra on a multi generation tree farm in Glenmont, Ohio with separate day and night loops through old growth timber and historic farm buildings.

Night trail races at Land Heritage Institute in San Antonio with multiple distances and a ruck category; headlamps and minimum water carrying are required.

Trail races of 2, 4, 6 and 8 miles at Phipps Diamond X Park near Billings with marked courses, aid stations, awards and a cash giveaway.

A trail event near Lewistown, Montana on August 1, 2026, offering a 10K loop trail run with significant elevation gain and a separate 6K out and back hike, with packet pickup and shuttle service to the trailhead.

The Casual Hikers 10K will take place in La Grange on Saturday 1 August 2026. You can run 10 kilometers.

An 11 mile trail race on the Douglas State Trail in Oronoco on August 1, 2026. The course runs on paved rail trail under a tree canopy, celebrates a 50th anniversary, and includes a race gift plus post race refreshments.

Support the Milan cross country team at the Indian Trails 5K in Indiana. This community fundraiser features both running and walking options for participants of all backgrounds.