Trail Running Calendar United States 2026-2027

Run through the fields of Masterson Station Park in this cross country race featuring 5k and 10k distances. Enjoy a festive afterparty with bourbon tastings, music, and food trucks.

Test your stamina at this Fort Worth endurance event featuring 24 and 48 hour timed runs on a 1.25 mile loop. Enjoy professional timing, on site camping, and air conditioned facilities during this summer challenge.

Participate in the 49th annual Speedy Spaniard River Trail 10K along the scenic Spanish Fork River. Enjoy a chip timed course ending with refreshments and prize drawings with a free shuttle back to the start.

The Webster Trail Classic is a scenic trail run through three distinct parks in Webster, NY. Runners can choose between a 10-mile or a 3.5-mile course, each offering varied terrain. A free kids fun run is also part of the event.

The Lost Sierra Endurance Race offers 25K, 50K, and 100K trail runs through the scenic and rugged northern Sierra Nevada near Downieville, California. The 100K is a demanding out-and-back route, while the 50K is a point-to-point course with..

The Mighty Mosquito Trail Race in Mendon Ponds, NY offers a weekend of trail running with distances from 5 to 100 miles, plus relay options. The event features solo and team formats, including a unique nighttime 50K. All proceeds support th..

The Sweaty Backyard Cox Ultra is a Backyard Ultra in Concord, NC. Runners complete a 4.167-mile loop every hour until only one remains. The race follows the classic last-runner-standing format.

Experience the mountain trails of Colorado Springs at the Pikes Peak Ultra. Choose from four race distances that take you through high elevation terrain including Cheyenne Canon and the summit of Mt. Rosa.

Event Overview The Standhope 100 is a 100-mile endurance trail run held on July 25-26. It is described as Idaho's highest trail race, taking place in the remote Pioneer Mountains. The course covers over 23,000 feet of climbing across remote..

Join an obstacle course event at Sunday River Resort in Newry Maine featuring a 5K course through ski trails and wooded mountain terrain.

Experience a unique desert night run under the Full Buck Moon on a scenic looped course. Choose between distances ranging from 9 miles to a 50k ultramarathon through manzanita groves and single track trails.

Experience a scenic trail journey through Cuyahoga Valley National Park and Summit Metro Parks. Choose from 100 mile, 50 mile, marathon, or relay distances in this historic Northeast Ohio endurance event.

Experience the perimeter trail of Grand Island in Lake Superior. The course features stunning shoreline views, sandstone cliffs, and a mix of single-track and forested paths. Choose from 50K, marathon, or half marathon distances.

Experience the natural beauty of Red Top Mountain State Park with a trail run through rolling hills and wooded paths. Choose between 8.85 mile and 3.1 mile distances in this capped event focused on a quality outdoor experience.

Explore the trails of Carson National Forest at the Enchanted Forest races in Red River, New Mexico. Choose from a rugged marathon, a heavy half, or the steep Face Challenge. After your run, enjoy a festive finish with live music, local foo..

The Magnificent Bastards Challenge honors fallen Marines through endurance. Choose from a Last Runner Standing race, a weighted Last Rucker Standing event, or a single Honor Lap. All formats take place on a tough 1-mile loop in Vermont with..

Tackle a 50K or 50 mile trail race along the Tickfaw River in Louisiana's scenic state park. The 5-mile loop course passes through swamp ecosystems, with full aid stations and a 14-hour cutoff. Runners receive swag and finisher medals, with..

Experience technical trail running in New Hampshire with two demanding distances over the Baldfaces and Mount Meader. This event features steep ledges and panoramic views within the scenic White Mountain National Forest.

Experience an intense mountain run at Alyeska Resort featuring 3912 feet of vertical gain over 6.1 miles. This capped event offers divisions for all experience levels with cash and gear prizes for top finishers.

This backyard ultra challenges runners to complete a 4.167-mile loop each hour on Mt. Hovenberg's trails. Participants set their own distance goals, and the last person standing wins. The event supports Team RWB and is capped at 200 runners..