Trail Running Calendar United States 2026-2027

A 10 hour trail event in Cape Girardeau, MO with a 50K option on 1.5 mile loops and a separate 5K, with entry fees donated to charity.

Timed 3 hour and 6 hour loop trail event at Osprey Park in Sultan, WA on a 1.06 mi dirt single track with minimal elevation and an aid station.

A 10 mile race at Fort Huachuca on October 17, 2026, offering individual and team entries, commemorative T-shirts, and top-three recognition in each category.

Scenic road and trail running in Prince William Forest Park with 5K, 10K, half marathon and virtual options for runners and walkers.

A technical trail event in Harriman State Park offering 13.1M and 10K on rugged singletrack with steep climbs, limited to 175 participants.

Trail races in Upper Bidwell Park featuring a 13.1 mile half marathon and a 4 mile hourly endurance challenge with creek crossings, single track trails, aid stations, bag check, bike valet, and reusable cup provision.

Trail and road events in Wellsville NY on October 18 2026 feature distances from 2 miles to 25 kilometers plus a virtual Home Edition. Courses include forest trails, steep climbs, aid stations and bus shuttles to trailheads.

A trail event at Hahamongna Watershed Park offering 5K, 10K and a half marathon with marked courses, chip timing, aid stations and commemorative wooden medals.

A trail event on October 18, 2026 in Letchworth State Park covering about 20.5 miles for both runners and hikers, with two aid stations, elapsed-time cutoffs, a shuttle to the start, participant caps, and post-event food and finisher shirts..

Trail marathon and 12 mile races at Fort Mountain State Park on October 18, 2026, featuring roughly 5,500 feet of climbing across single track, rocky and mixed use trails and a summit stone wall with fall mountain views.

Dirt Circus Dallas in Flower Mound, TX on October 18, 2026 features a community 5K, an expo with vendors, and a raffle alongside local running partners.

Four trail races across Colorado Springs parks with increasing distances and chip-timed series awards for runners who complete all four events.

Experience the scenic singletrack trails of Lake Fairfax Park with 5 mile and 10 mile race options. Enjoy a community atmosphere with post race breakfast and a dedicated program for children.

Two marked trail distances start and finish at Smith Mountain Lake State Park Beach Pavilion. Courses feature lake views, aid stations, GPX files, included park entry, and facilities near the start and finish.

A 5K trail run at Shawnee Lookout Park that follows the Blue Jacket and Little Turtle loops, begins and ends at the Waterhole Meadow Shelter, and serves as the final Dirt Days Trail Series event with series points available.

A fall trail marathon near Huntsville AL offering marathon, half marathon and 10K distances with a hooded sweatshirt, finisher medal and post race meal.

Oct 18, 2026 in Spring Grove: run through a corn maze and farm with 10K, 5K including a 250 turn maze option and a 1 mile Family Adventure, plus finisher medals.

A scenic 5K trail and road run along the Red Cedar River in Williamston on October 18, 2026, with tiered entry fees, a guaranteed t-shirt for early entries, an inaugural finisher medal, and proceeds supporting the St. Louis Center.

Community trail event at Camp Barnes in Frankford, Delaware offering 6.2 and 3.1 mile runs, 1 to 3 mile family walks, and a Kiddie Color Run. Post race lunch and live bluegrass music support Mariners Bethel youth ministries.

Experience a trail run through the rolling hills of Kanawha State Forest with 13.1 mile and 7K options. This event features forest roads and wooded routes as part of the unique Cryptid Race Series.