Trail Running Calendar United States 2026-2027

Tough Mudder Atlanta on April 25, 2026 is an obstacle course event at Bouckaert Farm near Fairburn, Georgia. It features 15K and 5K courses with multiple named obstacles, finisher items, spectator access, and group packages.

Trail races near Ogden, Utah on April 25, 2026, following the Bonneville Shoreline Trail with 16 mile and 11 mile options; registration closes April 12 at 11:59 PM MT.

Experience a complete Trifecta weekend at Vernon Peak with obstacle courses ranging from 5K to 50K. Test your grit on northern New Jersey mountain terrain featuring vertical climbs and over 60 obstacles for the elite Ultra distance.

Experience a women's focused trail race through the rugged red rock landscape of Moab. Choose from distances up to 50k and enjoy technical desert terrain with stunning views of the La Sal Mountains and local wilderness.

Trail races at Jonathan Dickinson State Park in Hobe Sound, FL, include a 50K, a Heavy Half and a kids' free fun run. Courses cover 16 natural communities and include stretches of soft sugar sand dunes.

Event Overview The Squatchywaska Mountainfest is a trail running event with two distances: a 25K (noted as closer to 17 miles) and a 10-mile race. Both courses follow a lollipop format through Minnewaska State Preserve on the Shawangunk Rid..

Experience miles of rhododendron tunnels and marsh bridges in Highland Lakes. Choose from four race distances ranging from a half marathon to 100K across gravel roads and single track trails.

Experience a scenic trail run through 250 acres of pristine woods and shaded hammocks in Punta Gorda. Support a residential school for youth while enjoying distances from 5k to 15k and a festive post race breakfast.

A trail race at Jericho Town Forest (Weston, MA) on April 25, 2026 offering 10K, half, marathon, and 50K options on a marked 10K loop, cupless aid station, strict cutoffs, and parking by volunteers.

Experience a unique trail event through private meadows and single track trails in the Methow Valley. Run the marathon, half marathon, or join a relay team to enjoy stunning views of the North Cascades.

A last person standing backyard ultra in Provo, UT on April 25, 2026 where runners must complete a 4.167 mile loop every hour. The out and back course follows Deer Creek Reservoir with mostly smooth, runnable terrain and strict corral rules..

Trail weekend in Bristol VA featuring riverside trails, swinging bridges and a short climb to a fire tower; distances include 50K, 25K and a 3 mile walk with chip timing and aid stations.

A looped trail event at Deer Grove Forest Preserve in Palatine, IL offering 10K, 25K, 50K and 50 mile distances on mostly wide, non-technical trails with a single aid station at the start and finish.

Experience the diverse terrain of Reveille Peak Ranch at this trail event near Austin. With distances ranging from 4 miles to a double marathon, runners can enjoy granite domes, creek crossings, and a lakeside finish.

Run along the scenic coastal ridge of Mt Tamalpais State Park in this 38th annual event. Choose between a half marathon or 10K featuring single track trails and views of the Pacific Ocean.

Night trail races on a 9 kilometer loop at San Tan Mountain Regional Park offering 54K, 27K, 18K, 9K and 6K options. The race is part of a six race night series and entries are non refundable.

Experience a rhythmic trail run through the shaded woods of Pleasant Ridge County Park. Choose between 10K and Half Marathon distances while supporting an inclusive community camp for children and adults with disabilities.

A *100-mile* ultramarathon on the C&O Canal towpath near the Potomac River, run as one ~40-mile loop plus two ~30-mile loops. Aid stations appear every 3–6.9 miles and the event is a WSER 2027 qualifier.

Experience the scenic watershed trails of Greensboro at this versatile event offering half marathon and 4 mile distances. Participants can run, ruck, or hike through rolling singletrack terrain surrounding Lake Brandt.

Experience a unique point to point ultramarathon across Michigan's Thumb on rural roads. Choose between 50 mile and 50K distances with running and ruck divisions on a flat and fast course.