Trail Running Calendar United States 2026-2027

On April 3, 2027 in Black Mountain, NC the event offers a Marathon and an about 40-mile Challenge with a possible summit to Mount Mitchell. The course mixes paved sections, single-track trail and gravel and includes multiple aid stations.

A mountain trail event at Harriman State Park offering a half marathon, a 10K, and a 10K ruck on rugged, technical courses with significant elevation gain and limited crew access at aid stations.

Genesee Valley Ultra is a timed loop trail event at Genesee Valley Outdoor Learning Center in Parkton, MD. Runners choose 24 hour, 12 hour, or 6 hour formats to complete as many laps as possible on a 2 mile loop, with chip timing and awards..

Trail races at Marion Sansom Park offering 50K, 25K, 10K and 5K on natural, technical trails. Two full aid stations, a cupless policy, a 300 runner cap, and finisher medals and swag.

The Running Up For Air Moab will take place in Moab on Saturday 3 April 2027.

Trail races at Deception Pass State Park featuring a 13.1M half that crosses the bridge twice, a 10K loop, and a Double option totaling 19.3M; technical singletrack, marked courses, and staffed aid stations on course.

A set of trail races at West Tyson County Park near St Louis offering 50K, 25K, a 25K ruck with a 20 lb minimum, and an 8-mile course, with multiple aid stations, a roughly nine-hour cutoff, and cup-free aid stations.

A multi-distance trail event in Cameron Park, Waco on April 3, 2027, featuring dirt and rocky single-track loops from 5K to 50 miles plus a 10 mile RUCK; the race includes staffed aid stations and is part of the Texas Legends Series.

The Dirty Spokes Iron Hill will take place in Cartersville on Saturday 3 April 2027. You can run 8 miles.

Sleeping Giant Trail Runs at Sleeping Giant State Park in Hamden CT features a 25K loop with 3K+ of vertical and a 50K two-loop option. The course mixes technical singletrack and carriage roads, includes aid stations, and follows a cupless..

Trail races at Lake Pleasant Regional Park in Morristown, AZ offering distances from 2 miles to 40 kilometers. Most courses cross the New Waddell Dam and follow single track trails with lake views, aid stations and on site timing.

A trail running event on April 4, 2027 with marathon, half marathon and 10K on the Arizona Trail, cupless aid stations with Skratch Labs hydration, shuttle buses to start lines, and finish line food, drinks and live music.

Trailbreaker returns to Waukesha on April 4, 2027 with races from a 1K kids run to a full marathon, plus ruck options and a walk. Proceeds support the Park Foundation of Waukesha and local parks and recreation.

A community trail event in Cross River, NY featuring a hilly wooded 5K, a 4K walk through the main trail, and a 200 m kids dash on the contest track. Registration opens 8/24/2026 with limited pre-registration t-shirt incentives.

Fort Yargo Ultra is a trail race at Fort Yargo State Park using a 15.6 mile single-track loop for 25K and 50K distances, with stocked aid stations, drop-bag support for 50K runners, and a canine 25K option.

A 50 mile trail race near Clifton, Virginia on April 4, 2027, run over forested, rolling terrain in spring. Entry opens October 1, 2026; the race has a 13-hour limit and a $125 entry fee.

A weeklong track ultramarathon at Cooper River Park with events from 6 hours to 144 hours on a USATF-certified 399.519 m track, chip timing, catered meals, vegan-friendly aid, and awards for milestone distances.

A three day trail running festival in Fruita, Colorado with four distances across desert singletrack, mesas, and river views. The 100 KM can earn a Western States qualifier and several races award UTMB Index points.

Trail weekend at Broxton Bridge Plantation with a 3.3 mile loop, 34 hour and Last Man Standing formats, primitive camping, an on course aid station, youth entries, and awards for distance and top finishers.

A multi-distance trail event in Wildwood, MO from April 9 to 11, 2027, organized by Terrain Trail Runners. Races range from a kids fun run to 100 miles, with online registration, sustainability measures, and a Trail Mix Fund partnership.