Trail Running Calendar United States 2026-2027

A point to point, all-trail ultramarathon along the Hennepin Canal State Trail in Illinois offering 100 mile, 100 mile team relay, 50 mile and 50K options, with aid stations every 3 to 7 miles and a 30 hour cutoff for Western States eligibi..

Experience a scenic trail run through the Red River Gorge on a private looping course. This cup less half marathon supports local search and rescue teams while offering a festive atmosphere with medals and post race meals.

Experience a rugged trail race through the Adirondack forests and wetlands of Amy’s Park. Enjoy scenic views and a community after party at a local brewery while supporting land conservation for Lake George.

A trail event in Hartman Rocks, Gunnison, Colorado featuring 50K, 28K, and 15K routes across slickrock, singletrack, and doubletrack with wide mountain views and event gear for participants.

Experience the autumn colors of Idaho with a Half Marathon or 55 km Ultra Marathon through the rugged trails and high alpine peaks of Sun Valley.

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 trail endurance festival at Bear Creek Lake Park (Oct 3–4, 2026) offering distances from 5K to 100K on mostly singletrack, with looped courses, staffed aid stations, drop-bag access at the Start/Finish, and finishers' awards.

Muddy Dash in San Antonio is a mud run 5K with obstacles, mud pits and slides, plus a pre party and a finish line after party with music, food trucks and beer. Multiple registration options and a Buy One Give One donation program are availa..

Test your endurance on the technical hills of the Palmetto Trail during this 13.1 mile run or hike. Enjoy a custom medal and a full breakfast after finishing this scenic course through the Croft Passage.

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.

Trail half marathon in Kirksville, MO on October 3, 2026 with mostly single-track terrain, rocks, roots, and seven aid stations. Proceeds support the Forest Lake Area Trail System; cash prizes and age-group awards are offered.

Little Dog's Backyard Ultra in Bell Buckle TN is a Last Runner Standing event on October 3 2026 using a 4.1666667 mile loop. Entry is limited to the first 75 with a wait list once the field fills.

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.