Trail Running Calendar United States 2025-2026

Tackle Salt and Sulfur 420 on August 5, 2026, a 420 mile run from Salt Lake City to West Yellowstone. This crewed event benefits the Women's Center in Salt Lake City with all proceeds donated.

High Five 100 is a self guided mountain challenge from Lake City, Colorado: roughly 90 to 105 miles with about 40,000 ft of climbing and summiting five 14ers. Finish the unmarked route within 48 hours; registration opens January 1, 2026.

Kansas City Backyard Ultra pairs the Last Runner Standing format with 12, 9, 6 and 3 hour timed races on a fast 1 mile loop around Mill Creek Park near the Country Club Plaza fountain. Expect aid every mile and a lively community vibe.

Take on the Elkhorn Crest trail in Sumpter, Oregon on August 8, 2026, choosing 53 mile or 50K options across alpine ridgelines with sweeping mountain views. Entries include a shuttle start, post race meal, finisher award and free fairground..

Run Larrabee Lakes in Bellingham on August 8, 2026, choose 50K, 25K, 12K or a kids race along scenic ridgelines and lakes. Part of the Evergreen Trail Runs, technical singletrack routes reward finishers with a handcrafted award.

Run the Rockies Trail in Frisco, Colorado offers 5k, 10k and half marathon on scenic single track and dirt trails. Take in views of Dillon Reservoir and the Ten Mile Range with a lakeshore finish to cheer your arrival.

Experience the Tahqua Trail Run at Tahquamenon Falls State Park on August 8, 2026, with 10K, 25K, and 50K options across forest single track, riverside trails and dramatic views of Lower and Upper Falls. Aid stations and shuttles available.

Run through wooded canyons and mountain vistas at the Butterfield Canyon trail marathon or half on August 8 in Herriman UT. Small fields make for a friendly race with remote aid, finisher medals and a post race breakfast.

Wyoming Range 100 : overview The Wyoming Range 100 is a point-to-point endurance run held in the Bridger-Teton National Forest. The event is scheduled for August 7-9, 2026, and runs from Middle Piney Lake to Box Y Ranch. The published dista..

Take on Ute 100 in Utah's La Sal Mountains, a high altitude trail event offering 100, 50 and 50k courses across alpine singletrack, scree and river crossings. Expect rugged scenery, full aid support and a memorable mountain finish in August..

The Eastern States 100 is a rugged 103 mile single loop ultramarathon through Pennsylvania's Wilds, circumnavigating the Pine Creek watershed. With over 20,000 feet of climbing this challenging trail race on August 8, 2026 rewards prepared..

Run scenic singletrack and forest roads from Wanoga Sno Park in Bend, Oregon with marathon, half marathon or a 6.5 mile option. Expect rolling terrain, steep climbs, fast descents and great mountain views.

Take on the Interstate 17 Trail Run, a 17 mile looped trail race at State Line Lookout with serious elevation and rugged technical terrain. Rocky scrambles, waterfalls and required loop check ins make this a scenic tough challenge.

Run scenic single track trails at Table Rock State Park in August 2026 with options of a challenging 15K climb to Pinnacle Mountain or a fun 5K loop along Carrick Creek. Enjoy rugged views, stream crossings and a festive finish with shirts..

Run the Hot August Night Trail Race at Holder Mine Campground by headlamp on single track trails through the Withlacoochee Forest. Choose 5, 10 or 20 miles and earn a handcrafted finisher medal plus a post race picnic.

Join the 6th Annual Honor and Remember Run at Cool Springs in Velpen IN to salute veterans, first responders and 9/11 heroes. Choose 5K, 10K trail with a Ruck option or virtual entry and enjoy awards, refreshments and timed results.

Tails and Trails 5K in Cody raises funds for Wyo Hoofbeats and Cody Regional Health animal therapy. Enjoy a flat, scenic route along the Shoshone River with mountain views as runners, walkers and dogs join the fun.

Run under the stars on rugged Sonoran trails at White Tank Mountain Park. Distances range from a beginner friendly 6K to a challenging 52K loop with steep climbs, swooping turns and technical descents.

Elephant Rock Trail Run returns to Mueller Park in Bountiful on August 8, 2026 with scenic, challenging routes from 7 miles to 50K. All finishers earn a handcrafted medal and top men and women in each distance take special awards.

Two days of singletrack adventure in Steamboat Springs featuring mountain bike and trail runs through meadows and aspen with big climbs. Proceeds benefit local nonprofits and racers get aid stations and a lively finish.