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.

An obstacle 5K at Three Palms Action Sports Park in Houston on August 1, 2026 featuring mud, walls, ropes, and monkey bars, plus a pre-race packet pickup and a finish line festival. Registration includes Value and VIP package options.

Muddy Dash Boston is a family-friendly 5K mud run at 508 INTL Adventure Sports Center on August 1, 2026, with obstacles, mud pits and slides, plus a pre-party and an after-party with music and food.

A two day mountain trail event on Mount Ellinor near Hoodsport, Washington, offering a 24 km skyrace and a 10 km forest loop. The skyrace is part of the Skyrunner World Series and the USA Skyrunner National Series.

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..

A free 5K trail event in Wellsboro for children 12 and under, featuring over 750 feet of climb and two small stream crossings. Guardians may accompany kids and volunteers support a well marked course with lunch provided.

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.

A 10 hour overnight trail ultra in Lafayette, LA on August 1, 2026 featuring repeated 3.8 mile loops with a central aid station. Runners must carry lights and hydration and the event includes finisher and podium awards.

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, Alaska offering 50 mile and 50K distances on a mix of hard packed and technical ridge trails. The event includes shuttle service, checkpoint drop bag support, and significant elevation change.

A 5 mile and 10 mile trail race at Monte Sano State Park in Huntsville, AL on August 1, 2026. It is race three of the Wild Thangs Trail Series, capped at 400 runners with cupless aid stations and post-race pizza.

A Last Runner Standing backyard ultra on a family farm in Glenmont, OH, featuring trails under old growth timber and free camping and parking. The 2026 event is the eighth hosting and registration closes July 31.

Night trail racing at Land Heritage Institute in San Antonio on August 1 2026, with distances from 5K up to 50K plus a 17K ruck. Trails are dirt single and wide track and headlamps and minimum hydration gear are required.

Trail races of 2, 4, 6 and 8 miles at Phipps Diamond X Park near Billings, with marked courses, aid stations, a no-paper-cup policy, a $600 Oh Hell Bell cash giveaway, and proceeds supporting local trail maintenance.

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.