Trail Running Calendar United States 2026-2027

This annual community event in Sun Prairie features a 5k race and a kids' fun run, with a course on neighborhood bike paths. Proceeds go directly to support the local high school cross country team.

Experience a scenic off-road trail run or walk through the conservation lands of White Barn Farm. This cup-less 5k event supports local sustainable agriculture and community food security in Wrentham.

A trail 5k at Oak Mountain State Park featuring rugged terrain and significant elevation change. The event takes place on a Saturday in August. Registration is available.

Run a chip-timed 5K or join a scavenger hunt 3K walk at St. Patrick's County Park. Everyone gets a handcrafted medallion, plus there's an egg bake breakfast and door prizes. Leashed dogs are welcome on the walk.

Run the trails around Standley Lake in Westminster, Colorado. Choose from five distances, from a 5K to a 50K, on out-and-back dirt routes. Experience a cupless race with scenic views and a festive atmosphere.

This 50k trail run takes you through the Sierra Prieta mountains near Prescott, Arizona. It is scheduled for a late summer date in August 2026.

Celebrate the 20th edition of this scenic 5K cross country run through the forests and meadows of the Landis Arboretum. The event features chip timing, is part of the USATF Trail Series, and offers participant shirts for early registrants.

The Bryre Dragon offers a demanding weekend of trail running on the Duncan Ridge in Georgia. Choose from a 100-mile, 40-mile, or daylight 40K race, all starting from Vogel State Park. The courses feature significant elevation gain and suppo..

Conquer a steep 1000 foot climb at Snow Summit during this unique one mile mountain race. Enjoy high altitude views at 7000 feet elevation and a free chairlift ride back to the base.

Experience the beauty of Oakland's Redwood Regional Park through a variety of trail distances from 5 miles to 50K. Run among tall redwoods on a well marked course with spectacular ridge views and fully stocked aid stations.

Experience a unique night trail run through Fontainebleau State Park with 5 and 10 mile options. Bring your headlamp and hydration for this green event featuring live music and handmade awards by the water.

Climb It For Climate is a trail running event on Belleayre Mountain in the Catskills, offering 25K and 8K race options. The weekend features pre-race activities, and the event focuses on environmental responsibility with a zero-carbon initi..

The Leadville Trail 100 Run is a legendary 100-mile ultramarathon in the Colorado Rockies. With over 15,000 feet of elevation gain and a summit over 12,500 feet at Hope Pass, it's a massive high-altitude challenge. Finishers within 30 hours..

Experience the natural beauty of O. P. Schnabel Park at the Summer Meltdown Half Marathon. Choose from multiple distances including a half marathon, 5K, and kids dash through scenic Texas trails.

Run or walk with your pet at Independence Oaks for this annual event featuring a 5K trail run and a 1K Cat Walk. Enjoy family activities and support local animal rescue efforts in Clarkston.

Experience the high-altitude scenery of Leadville on this 10K course, which follows the first and final miles of the famous LT100 Run. With a single aid station and awards for top finishers, it's a classic mountain run. Registration is open..

Experience an off road marathon at Red Lodge Mountain featuring single track trails and significant climbing. Choose between solo distances or relay teams for a high elevation loop course in a low key atmosphere.

A biannual mountain trail race on Mount Mansfield near Stowe, Vermont, covering about 11 miles and 5,000 feet of climbing over technical and exposed trails. Entry is capped at 70 and requires a recent qualifying time.

This free 5K trail run and walk honors a friend's memory and supports Centaur Stride. Enjoy live music, food, and family activities at The Heron Farm. The event welcomes participants of all ages.

The Kentucky Cryptid Series - Wolfman is a trail run through Iroquois Park, offering 7-mile and 4-mile options. It's part of a four-race series where completing three earns a special survivor medal and shirt. This cupless event encourages p..