Trail Running Calendar United States 2026-2027

A point to point 15K at Babcock State Park on October 10 2026 with long trail sections along Mann's Creek Gorge, fall colors, two aid stations and shuttle service.

Trail run and walk at Backbone State Park on October 10, 2026 with two route choices: a 4 mile loop and a 10K lake loop. Day of registration is available and proceeds support Backbone State Park.

Trail races of 5K, 10K, half marathon and 35K around San Pablo Reservoir on EBMUD trails, with chip timing, stocked aid stations, a cupless policy, and a 300-runner capacity.

A fatass trail run in Foresthill, CA offering 25 mile and 50 mile courses along the North Fork of the American River. Entry is free and field size is limited to 50 runners, with off trail sections and significant elevation gain.

Continuous loop endurance race at Eddie D. Jones Park in Keithville, LA. Runners complete repeated 3.1 mile loops to reach either 40 miles or 50 miles within a 12 hour time limit, with a centrally stocked aid station.

Loop based trail event at Eddie D. Jones Park featuring a clearly marked 3.1 mile (5K) loop on dirt and grass with a central aid station and lap based distances.

A charity running event in Solon, Iowa featuring a timed 5K and a Monster Mile, with all proceeds to the Arthritis Foundation to support pediatric rheumatic disease awareness.

First annual 4 miles trail run and hike at York River State Park on October 10, 2026. Dirt trails include single track and gravel, the format is non competitive, all finishers receive medals and leashed dogs are allowed.

A trail 50k in south Knoxville on October 10 featuring flowy singletrack, technical rock sections, about 4,000 ft elevation gain and aid stations on course.

A 12-mile out-and-back to Tesuque Peak in the Santa Fe National Forest, The Big T marks its 40th running on October 10, 2026, with proceeds benefiting Wings of America and a stated $5,000 fundraising goal.

Trail race in Gonzales Canyon with 10 Mile, 10K and 5K courses, featuring the steep locally named "Puke Hill" and limited to 300 runners.

A 5K fundraising run at Three Strands Vineyard and Winery on October 10 2026 with a postrace Wine and Wags event and a dog friendly course option.

Tour de Essex on October 10, 2026 at Essex Park in Rochester MN features a trail 7k, a road 10k, and an Essex Challenge for runners who enter both. All event profits support trail maintenance.

A grassroots gravel and pavement event at Melvern Lake offering a range of bike and run routes plus a rucking challenge, set along rolling hills, shoreline views, and some unique trail features.

A backyard ultra on Tushar Mountain trails where runners must complete a 3 mile loop every hour; entries are capped at 200, with tiered fees, shirts and medals, and awards including new ribbon sliders for ultra milestones.

A community run and family walk on October 10, 2026 in Pottstown, PA featuring a 5K, a 10-mile route that crosses Douglassville Bridge, and a roughly 1-mile family loop along the Schuylkill River Trail.

A multi-distance trail event in Speedway, Indianapolis using the full B&O Trail. Distances include 50K, 25K, 10K and 5K on a course the organizer describes as flat and fast.

Timed trail events in Valdese offering 3, 6, and 12 hour options on a roughly 3 mile loop of trail and crushed cinder greenway, with on-site amenities and space for vendor tents.

A point to point trail race on October 10, 2026 in Slatington, PA featuring a new 10 km course that finishes 1,000 vertical feet above the Lehigh Gap. The route includes singletrack, technical sections, and varied terrain.

Lutheran Counseling Services holds the We Care 5K on October 10, 2026 in Longwood to raise funds and awareness for mental health. The event offers an in person 5K along parts of the Seminole Trail and a virtual 5K option.