Trail Running Calendar United States 2026-2027

A backyard ultra at Alum Creek State Park that repeats a 4.167 mile loop every hour; runners must finish each loop within the hour and the last person to complete a loop is the winner. The course uses grass ski paths and single-track trails..

Eastern States 100 is a 103 mile single loop ultramarathon circling the Pine Creek watershed in Pennsylvania's Wilds with over 20,000 feet of climbing. The event is organized by Eastern States Trail Endurance Alliance and slated for August..

A 24 hour and multi duration run and ruck event on a 1.56 mile dirt and wood chip loop in Spokane, organized by Phase One Missions. The event emphasizes self sufficiency with a semi stocked aid station and a ruck weight limit of 45 pounds.

Haulin Aspen is an all-trail running event on August 8, 2026 near Bend, Oregon. It features a full marathon, half marathon, a 6.5 mile course, and a new three person marathon relay on forested single track.

Experience a technical seventeen mile trail run along the Hudson River cliffs with over five thousand feet of elevation change. High endurance is required for this rugged course featuring boulder scrambles and scenic river views.

Experience trail running near the Blue Ridge Mountains with 15K and 5K races at Table Rock State Park. Navigate creek crossings and climbs toward Pinnacle Mountain to earn finisher awards and enjoy mountain views.

The event is cancelled. It had been planned as a 10K ruck obstacle course at Pineland Farms in New Gloucester, Maine, featuring The Crucible with 20+ obstacles and prize rules requiring participants to ruck the full course with a pack.

Experience the Withlacoochee Forest after dark in this night trail race featuring 5, 10, and 20 mile distances. Navigate single track trails under the stars with glow stick markers and a post race picnic celebration.

Participate in a 5K or 10K trail and ruck run in Velpen to honor veterans and emergency personnel. Enjoy a professionally timed race at Cool Springs that supports local community safety and veteran awareness.

Tails and Trails is a 5K in Cody, Wyoming that raises funds for Wyo Hoofbeats and highlights Cody Regional Health's animal therapy program. The course follows residential streets and trails along the Shoshone River with mountain views.

Night trail races at White Tank Mountain Regional Park offering 6K to 52K on a 6.5 mile Sonoran loop with technical terrain, stocked aid stations, live tracking, camping availability, and cupless race protocol.

Elephant Rock Trail Run in Mueller Park, Bountiful, UT features four trail distances including a 50K with significant climbing and limited early aid. The USATF-sanctioned event awards handcrafted medals to all finishers.

Two day mountain bike and trail running event in Steamboat Springs on August 8 and 9 2026. Multiple distances from a 52 mile solo bike to 26.2 and 13.1 mile runs, with proceeds supporting local youth and trail organizations.

Trail races of 5k, 14.5 miles and 26.2 miles take place in King County's Cougar Mountain Regional Wildland Park near Seattle. The event includes aid stations on course, supports King County Parks, and participates in a youth trail series.

Trail races of 5 and 10 miles take place on 8 August 2026 at Oak Hill Trail Head in Cuyahoga Valley National Park. Registration opens in November 2025 and fees vary by distance.

A 15K trail race at Montana Snowbowl with a 4.65 mile climb to Grizzly Chair, a 4.65 mile single-track descent on Beargrass Highway, 2,150 ft of elevation gain, chip timing, and a field capped at 250 participants.

An overnight trail running event near Anniston, Alabama, on Talladega Forest roads and the Pinhoti Trail. Distances include 10K, 25K, 50K and 100K with aid stations, a cupless policy, and awards for finishers.

Timed trail events at Crystal Springs Recreation Area near Wytheville VA offer 12 hour, 6 hour and 3 hour looped courses with significant elevation. The race is cupless so runners must carry a collapsible cup or bottle.

Experience the natural beauty of Dubuque with trail races through the Mines of Spain Recreation Area. Enjoy distances ranging from 4 miles to a half marathon followed by a post race party with brick oven pizza and local beer.

An eight hour track event at Clapp Park in Pittsfield with a virtual option, chip timing, on course bottle drop aid, and age division awards. Proceeds support the AYJ Fund and several discount codes are available.