Trail Running Calendar United States 2026-2027

Trail races in Tilden and Wildcat Canyon near Berkeley with 10K, half marathon, 35K and 50K options, aid stations every 5 to 7 miles, a cupless format, and a 350 runner capacity.

A women's trail running event in Buena Vista, Colorado offering a Half Marathon and a 10k on mountain trails with views of the Collegiate Peaks and the Arkansas River. Organized by Trail Sisters to increase women’s participation in trail ru..

Oak Flats Picnic Trails in Tijeras, NM is a free, self supported looped trail event with distances from 5k to 30k on unmarked routes and a picnic table aid station. Dogs are welcome and registration on UltraSignUp is required.

A backyard ultra on September 12 2026 in Noblesville Indiana where runners repeat a 4.167 mile loop each hour through Koteewi Park and along E 234th Street until only one runner remains. The course mixes dirt gravel and paved trail.

Trail ultraruns and a ruck division route through the rugged Caney Fork and Scotts Gulf backcountry near Sparta, Tennessee, with technical singletrack, limestone bluffs, caves, and waterfalls; the weekend centers at Camp Latimer.

Trail ultras near Cortland, NY offering 100 mile, relay, 50 mile and 50K options on steep, technical singletrack. Organizers plan a major course change and will publish maps and aid station details when ready.

Trail races in Hocking Hills State Park on September 12 2026 feature five distances from 5K to 50K, mostly on trail through Old Man's Cave, Cedar Falls and Ash Cave, with GPX files and mapped distances provided.

A family-oriented mud run in Redding on September 12, 2026 featuring a course just under 5 km with obstacles, creek crossings, vendors, food, and children's activities. The event supports the Active 20-30 Club of Redding.

Coal Miner is a self-supported trail event near Roslyn, WA featuring a 51.3-mile route with over 10,000 feet of climb across several ridges and summits. Participants must use provided GPX tracks and carry a satellite messenger.

A community wellness event at Sprague Brook County Park on September 12, 2026 featuring a 5K trail run and a 2 mile non timed walk, with proceeds supporting the Bread of Life Outreach Center and keepsake blankets for early registrants.

A timed trail event near Gig Harbor with 24 hour, 12 hour day, 12 hour night and 6 hour options on a two mile loop featuring about 320 feet of climb per lap. Aid station, drop bags, limited canopy space and awards provided.

A nighttime out and back at Lake Mineral Wells Trailway near Weatherford offering 5K, 10K, 13.1M and a 10K ruck on soft fine gravel. Headlamps and personal water systems are required and aid stations provide water and electrolytes.

A night trail half-marathon in the Green Swamp West Tract near Dade City, Florida, with run and ruck options, a turnaround aid station, labeled drop bag support, ruck weight standards, and a post-race potluck.

Trail races at Sloppy Floyd State Park in Summerville GA on Sep 12, 2026, include a 5K, 10 mile, half marathon and a special 20 mile with two trips up Becky's Bluff; the event marks 20 years of donating proceeds to the park.

An urban obstacle race on the Jersey City waterfront on September 12, 2026. The event features a fast 3 mile course with 20 plus city-style obstacles, chip timing, new finisher medals, awards, and free race photos.

A community-focused trail event in Riverbend Park, Jupiter, FL offering a 50K, a 12-hour loop challenge, and a shorter fun run on gravel trails along the Loxahatchee River with shirts, medals, and local trail support.

Trail races at Stevens Creek Reservoir in Cupertino on September 12, 2026 include a half marathon, an 11K, and a charity 2.5 mile Lollipop Loop. Courses use shaded single track and ridge views with aid stations and a post race BBQ.

A trail race on Meadow Mountain in Minturn, Colorado offering an 11K and a 5K route across singletrack and meadows with stream crossings, scenic mountain views, on-course aid stations, and finish-line t-shirts and refreshments.

Mind Freak in Marietta GA is a backyard ultra style trail event on a 1.5 to 2 mile loop. The race is untimed and self supported, letting runners repeat loops to reach a 50K distance or go farther.

Experience an outdoor adventure at Everest Park featuring a four mile obstacle course with forty natural and man made challenges. Families can choose between the full mud run or a specialized mini course for younger children.