Trail Running Calendar United States 2026-2027

A muddy obstacle course event at Jomeokee Campground in Pinnacle NC, organized by the Marine Corps League. It is held each year on the first Saturday in June; the 17th edition is scheduled for June 5, 2027 with registration opening March 1,..

A rugged trail ultramarathon in Worlds End State Park and Loyalsock State Forest near Forksville, Pennsylvania. The event offers a 100K with extensive elevation and a 50K that shares much scenic single-track.

A lake and summit event at Rockland Lake State Park combining a fully accessible 5K paved loop with a rugged 10K trail up Hook Mountain that gains about 1,300 ft and includes steep, rocky sections and one aid station.

A multi-distance running festival in Eaton, Colorado on June 5–6, 2027 offering races from 7K to 100 miles, relay and virtual options on a 2 mile groomed dirt loop with aid stations, camping and glamping.

Trail runs of 31.1 miles and 12.4 miles through Sierra National Forest, with spaced aid stations, onsite pre-race lodging and dinner, and no pets on course or campus.

A trail event at Butterfield Trailhead on June 5, 2027, with 50 mile, 50k and 30k courses through Rose, Butterfield and Yellow Fork Canyons. The route is well marked and supported with aid stations, drop bag options, medals and post-race fo..

A mountain trail race at Doe Mountain Recreation Area near Mountain City, Tennessee, featuring 50K, 25K, and 13K courses, a 60-foot fire tower with panoramic views, on-course aid, and official cutoffs.

Trail races on single-track at Van Peenen Memorial Park in Decorah, IA, with distances from a kids mile up to a 50K. Aid stations are provided and proceeds support local schools and trail organizations.

A trail race in Slate Run PA offering a 25K and a half marathon through Tiadaghton State Forest with technical single track, stream crossings and scenic views; field size is limited and strict course cutoffs apply.

Trail races at Dansbury Park feature timed 10K, a 5K race and a 5K walk with live results, finish line photos, age-group awards, and pool access after the event.

Trail running event at Canyon Park on June 5, 2027 offering 5K, 10K, 25K, 50K and a youth mile on a 7.8 mile loop with aid stations and chip timing.

Trail races on the Beaverhead Trails High Trails near Dillon, MT, featuring a 15K, 5K, kids 5K and a 1-mile fundraiser. Courses are off-pavement with extensive single-track, significant climbing and valley views.

A BYOB trail event at Lakewood Nature Preserve where runners complete four 2 mile loops solo or in teams of 2 to 4. Beer is randomly selected before each lap and the event includes chip timing, finisher medals, and a post race Beer Olympics..

A Last Man Standing backyard ultra at Missouri Freedom Camp in Bourbon, MO on June 5, 2027. Runners complete repeated 4 miles 880 feet loops each hour, with aid at the barn, camping and a pre-race dinner; proceeds benefit Freedom 13.

A running event in Burnsville NC on June 5, 2027 offering 50K, 25K and 11K routes with up to 12,000 ft of elevation gain. Courses are point to point and maps, aid station details and a runner handbook are provided.

Mightyssippi features a 10 mile race, a two-person 5 mile relay and a new 5K along the Mississippi River in St Paul, finishing at Upper Landing Park with a shuttle back to the start.

A trail marathon and half marathon at Timothy Lake, Oregon on June 5-6, 2027, featuring single track forest trails, rustic bridge crossings, and views of Mt. Hood.

A night time 10 hour endurance run at Carson Park Fairgrounds in Paducah with chip timing on a lighted half mile oval, a large aid station, on site parking, and options to stop at common race distances or continue into ultras.

A Backyard Ultra on June 5, 2027 in Charleston, IL, featuring repeated 4.167-mile loops on single-track and grass trails at Willenborg Woods; hourly laps continue until one runner remains and a Bronze Ticket is awarded.

A weekend trail event near Abingdon, Virginia featuring a 50 mile race, a 55K and a Pepsi Challenge 25K. Organized by Yeti Trail Runners, the cupless courses include crew access, pacer pickup for the 50 miler, and chip timing.