Trail Running Calendar United States 2026-2027

A loop-based trail ultra in Eagle, Wisconsin offering 6, 12 and 20 hour formats for solo runners or relay teams up to four people, set on three mapped autumn loops through the Southern Kettle Moraine Forest.

The 4th Annual Del Rio Marathon takes place in Del Rio, Texas on October 10, 2026, with the event based at 1105 W De La Rosa Street. Registration is listed as coming soon and a Facebook page is noted for information.

Trail races of 50K, 30K and 15K in the Chattahoochee National Forest on Benton MacKaye Trail with creek crossings, steep climbs, and six aid stations.

Trail races in Settlement Canyon, Tooele, UT use three loops to create Marathon, 23K and 10K courses. Routes run mostly on singletrack and dirt roads with aid available at the start finish area.

A *10-mile* single-track trail race at Willow River State Park featuring technical wooded terrain, climbs, stairs, and a waterfall. The cupless course has an aid station at about 4.2 miles and on-site restrooms and parking.

Final race of the Into the Woods 2026 trail run series, a chip timed six mile course through trails, fields and boardwalk at Asbury Woods in Erie, PA. Pre registration is $35 until October 9; day of entry is $40.

Experience a unique trail run through the shaded single track of Bandon's forest. Choose from distances of 1.5, 5, or 10 miles on rolling loamy trails typically reserved for mountain bikers.

Trail races at Newton Hills State Park in Canton SD offer a six mile course and a two mile loop with chip timing, age division points, and a state park entry requirement.

Trail ultra at Bethel Horizons in the Driftless Area offering 50K, 20M and 10M looped courses with mixed singletrack, grassy ridgelines, rocky climbs, fully stocked aid stations and chip timing.

Trail races of 50 miles, 50K and 30K in Cleveland National Forest near Silverado, CA, featuring remote forest roads, significant elevation gain and staffed aid stations. Mandatory self support rules include minimum water and required lights..

Granite Head Trails & Ales Trail Races feature 6.6-mile and 11.2-mile courses. Runners get a tech T-shirt and can enjoy post-race fajitas and a beer. The event is the final race in a local trail running series.

Trail races at Mohican State Park on October 10, 2026 offering marathon, half marathon and 15K through forested trails with streams and varied terrain.

Muddy Dash in Honolulu on October 10, 2026 is a family-friendly 5K mud run with obstacles, mud pits and slides. The event features a Pre-Party and an After-Party with music, food trucks and drinks, and offers standard and VIP registration o..

Looped trail races (50k, 30k, 20k) at Ponderosa State Park in McCall, Idaho on October 10, 2026, raising funds for local trails with varied single-track and lake views.

Trail races on the flat, crushed gravel Des Plaines River Trail in Lake County offering Half Marathon, Marathon, 50K and 50 Mile distances.

Test your limits on a USATF certified asphalt loop in Lillington. This supported endurance event features a lit course at night and convenient trackside camping for a personalized running experience.

A 100 mile ultramarathon plus front half and back half 50 mile options on the Ohio and Erie Canalway Towpath in Akron Ohio, held October 10 and 11 2026. The course is mostly crushed limestone and is USATF certificated.

A multi-distance trail event on Wright's Mountain in Bradford, Vermont, featuring 30-hour, 12-hour and a shorter loop race. Finishers receive themed tarot cards and awards, with the field capped at 100 runners.

A 5K timed race and an untimed 2K through the hilly 144-acre Camp Triangle Hills at Crossroads YMCA, held as part of Fall Fest with family activities like rock climbing, archery, tractor rides and a petting zoo.

Trail races at Chestnut Mountain Nature Park on October 10, 2026 offering about 6.2 mile and 9.3 mile courses with chip timing, one water station, and awards for the top ten men and top ten women in each race.