Trail Running Calendar United States 2026-2027

Trail races in October near Canadice Lake, Hemlock NY, with a 5K point-to-point, a 15K out-and-back, and a full marathon featuring technical climbs and mixed terrain. Proceeds support local trail maintenance.

A 5K trail run on wooded, hilly camp trails in Bedford, Indiana on 10/10/2026; proceeds fund scholarships to send children to camp. All finishers receive a medal and top male and female receive awards.

A castle themed looped running event at Krug Park on 10/10/2026 to 10/11/2026 offering 5k and 10k options plus an extended challenge with medals. Most proceeds benefit St. Jude Children's Research Hospital and a local nonprofit.

Trail races in Columbus, Indiana on October 10, 2026 offering 10K and 5K distances. Online registration and a course map are listed for the event at 13550 Bellsville Pike.

A community 5K and 1K kids race at Kilgore Creekside Trail that raises funds for the Kilgore ISD Education Foundation, with packet pickup the day before, prizes, and a non-racing supporter option.

A fall point to point trail race in Babcock State Park covering 15K with about nine miles of trail and a short road section. The course follows Mann's Creek Gorge and features rhododendron tunnels, waterfalls, cliffs and scenic overlooks.

A trail running event at Backbone State Park in Dundee, Iowa, on Saturday, October 10, 2026, organized by Backbone Lake Friends, offering a 4.3 mile Original route and a 10K Lake Loop with stated difficulty levels.

A trail event around Briones and San Pablo Reservoirs offering 35K, half marathon, 10K and 5K on single-track and fire roads with varied scenery, aid stations, and a Start and Finish at the San Pablo Reservoir Visitors Center.

A free, fatass-style off-trail run near Foresthill, CA with 25 and 50 mile options, heavy climbing, route finding, and a 50-person limit; organizers maintain a waiting list that has historically admitted everyone.

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.

A 3.1-mile (5K) loop at Eddie D. Jones Park on dirt and grass trails. Runners complete as many 5K loops as they choose, with a central start and an aid station at every lap.

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.

A Halloween themed 4 mile trail run and hike at York River State Park on October 10, 2026. The new trail features single track, river views and rolling hills, with finisher medals for all and a two hour time limit.

A community 5K in Wichita Falls that runs through the historic district, beginning at Temple of Praise and finishing at Pueblo Boxing. Free and paid registration options include race items and support Pueblo Boxing’s youth programs.

A trail event in south Knoxville on October 10 featuring a 50k with nearly 4,000 ft of climbing and a 7 Miler option. The route includes singletrack, technical rock sections, and aid stations along the 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.

A trail race in Gonzales Canyon Open Space with 10 Mile, 10K and 5K courses. Start and finish are at Solana Ranch Park and the 10 Mile and 10K include the locally known Puke Hill.

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.

Lap the Lake at Melvern Lake Marina on October 10, 2026 features gravel and pavement bike, run and ruck routes with rolling hills and shoreline views. Distances range from a 3 mile bike up to a 50 mile gravel course.

A backyard ultra on the Tushar Mountain trails at Eagle Point Resort where runners complete a 4.167 mile loop each hour. Entry is tiered with a cap at 200 runners and awards and giveaways for finishers across multiple ultra levels.