Trail Running Calendar United States 2026-2027

A backyard ultra on a 4.167 mile loop at Alum Creek State Park where runners repeat the loop each hour until only one completes an extra loop. Each loop must be finished within an hour and standard backyard ultra rules apply.

Experience 100 miles of rugged Appalachian terrain and 20000 feet of elevation in this scenic loop through Pennsylvania. Runners navigate wild footpaths and rocky climbs in one of the most demanding trail races in the region.

An overnight ultrarun and ruck event in Spokane featuring 24 hour and 12 hour formats plus a family Tiny Titans loop. The course is a 1.56 mile dirt and wood chip loop with a semi stocked aid station and on site medical.

Trail marathon, half marathon and a 6.5 mile all trail course around Wanoga Sno Park near Bend, Oregon, with varied terrain, multiple aid stations, and a late race climb. Post-race festival and local beneficiary support.

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 on August 8, 2026, supporting Wyo Hoofbeats and Cody Regional Health's animal therapy program. The course follows residential streets and trails along the Shoshone River with mountain views.

A night-trail event at White Tank Mountain Regional Park offering five distances on a 6.5 mile Sonoran Loop with staffed aid stations, drop bag and crew access, and on-site medical support as part of the Insomniac Night Trail Run Series.

Trail races at Mueller Park near Bountiful, Utah offering 50K, 26.8, 13.8 and 7 mile courses. The 50K is a point to point mountain course with substantial elevation gain and a 13 hour cutoff while shorter distances have an eight hour cutoff..

Two-day mountain bike and trail running event in Steamboat Springs on August 8 and 9, 2026, featuring mostly singletrack routes and multiple race distances. Proceeds support local nonprofits Partners for Youth and Routt County Riders.

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.

Experience the natural beauty of Cuyahoga Valley National Park with a 5 or 10 mile trail race. Explore the scenic paths of the Oak Hill Trail Head during this Saturday morning event in Peninsula.

A 15K loop trail race at Montana Snowbowl with 4.65 miles of climbing and 4.65 miles of descending, 2,150 feet of elevation change, chip timing, small field cap, and a post-race lunch and beverage at the base area.

A night trail race at Frog Pond Overlook in Talladega Forest offering 10K, 25K, 50K and 100K loop options, a cupless course with aid stations, handmade finisher amulets, and a Double Down coin for consecutive year 100K finishers.

Trail-loop ultraruns at Crystal Springs Recreation Area featuring timed 12-hour, 6-hour and 3-hour options on technical, hilly trails; shuttle parking is required and runners must carry their own 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 endurance event at Clapp Park in Pittsfield, MA featuring a certified 0.355 mile loop, chip timing with live leaderboard, on-course bottle drop and age group awards. Proceeds support the AYJ Fund.