Trail Running Calendar United States 2026-2027

Trail races of 50K, 28K and 15K take place in Hartman Rocks near Gunnison Colorado on October 3 2026. The course mixes slickrock, singletrack and doubletrack with wide mountain and basin views.

Legends Never Die on October 3, 2026 in Ketchum, Idaho features a half marathon and a 55K ultra on single-track trails through Oregon Gulch and Sun Valley backcountry. Courses include significant elevation and stocked aid stations.

Trail races at Dana Peak Park near Stillhouse Hollow Lake in Harker Heights Texas offer looped courses from 10K to 100K with notable climbs and staffed aid stations. Hydration device required; pacers permitted for the 100K second loop.

Run The Woods is a trail event at Timber Pointe Outdoor Center in Hudson, IL featuring 5K and 8K races with youth divisions and a one mile untimed trail walk. Proceeds benefit Easterseals Central Illinois and Timber Pointe Outdoor Center.

Trail events at Rock River Heritage County Park on October 3, 2026 include a timed 5K with chip timing and a guided 2.4 mile walk, plus a park celebration with music, food trucks, tastings, and raffles.

A field and trail running event in Millersburg, Ohio on 10/03/2026 featuring a 5k and a 0.5 mile timed kids run, held the same day as Charm Days with food, a pony parade, auctions and local sales.

The 34th Annual OXFORD Classic in Bend adds a Community 5K at Drake Park on 10/03/2026. The flat loop follows the Deschutes River on grass and paved paths and registration is free.

A weekend of looped trail races at Bear Creek Lake Park near Lakewood CO offering 100K, 50 Mile, 50K, half marathon, 10K and 5K on mostly singletrack dirt.

A family-friendly 5K mud run at Cycle Ranch Pro with obstacles, mud pits, a Pre-Party and a post-race festival of music, food and drinks.

A 13.1 mile half marathon on the Croft Passage of the Palmetto Trail in Spartanburg, South Carolina. The technical course has some hills, a four hour cutoff and a field limited to 250 runners.

Cuyamaca 100k is a 100 kilometer trail race in San Diego on Oct 3, 2026, crossing oak woodlands, meadows, pine forest and chaparral. The 2026 event is a Western States 2027 qualifier and supports outdoor education and public lands causes.

A forested point to point half marathon in Kirksville, Missouri with varied single track, seven aid stations, shuttle service, packet pickup, and proceeds supporting the Forest Lake Area Trail System.

Little Dog's Backyard Ultra is a Last Runner Standing event in Bell Buckle, Tennessee on October 3, 2026. It uses a 4.1666667 mile loop, limits the field to 75 entrants and lists an entry fee of USD 131.30.

Experience a historic 100 mile journey through the Ouachita Mountains on forest roads and trails. This Western States qualifier features 23 aid stations and a tradition of southern hospitality in any finishing time.

Experience the scenic HRCA Backcountry Wilderness Area with trail races for the whole family. Enjoy rolling hills and open views followed by a pancake breakfast and finisher medals for all participants in Littleton.

Trail canicross races at Caledon State Park offer two distances, allow leashed dogs, and provide a reusable speedCup; entry fees support Friends of Caledon State Park.

Trail races at Bradford Preserve on October 3, 2026 feature 5K, 10K and a free kids run on dirt trails with seasonal course markings and a required orange clothing rule per state regulations.

A parkside series of races at Burke Lake Park on October 3, 2026 offering 5K, 10K, half marathon and virtual options, with walkers welcome.

A Woodland Park trail event featuring 50k and 10k options on singletrack and forest roads with views of Pikes Peak, stocked aid stations, and crew access for the 50k.

Loop trail races in Shawnee State Forest on October 3, 2026, with 54 mile, 31 mile and 13.1 mile options, significant elevation gain, cupless aid stations and a remote wilderness section.