Trail Running Calendar United States 2026-2027

A 12 hour trail running event at Kings Mountain State Park featuring a repeated 4.5 mile loop with lake and farm views. Aid station and drop bag access on each loop and organizers provide drinks while runners bring food.

A September 12, 2026 trail event in Berkeley featuring 10K, half, 35K and 50K courses through Tilden and Wildcat Canyon with chip timing, regular aid stations and a cupless aid policy.

Trail Sisters Women's Half Marathon and 10K in Buena Vista, Colorado, feature trail courses through sagebrush and ponderosa pines with views of the Collegiate Peaks, and offer both group and solo participation options.

Looped trail event at Oak Flats Group Picnic Area in Cibola National Forest offering short and long loops to create distances from 5k to 30k. The event is self supported and unmarked, with volunteer check in and an honor system for results.

A Backyard Ultra in Noblesville on Sept 12, 2026 featuring repeated **4.167 mi** mixed-surface loops through Koteewi Park and along E 234th St, continuing each circuit until a single runner remains.

A trail ultramarathon through the rugged Caney Fork and Scotts Gulf region, centered at Camp Latimer. Distances include a 50 mile ultra, a 25K run, and a 25K ruck with specified pack weights.

A trail ultramarathon near Cortland, NY offering 100 mile, 50 mile, 50K and relay options on steep, technical singletrack, with pacer and pole rules and planned course changes.

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.

An outdoor mud obstacle run near Redding, CA, with a just-under 5 km course through fields, hills and creek crossings. The family-oriented event includes vendors, children's activities, food, drinks and event swag.

Coal Miner in Roslyn WA is a self supported mountain trail event featuring a 51.3 mile route with over 10,000 ft of climb; the unmarked course requires GPX navigation, a satellite messenger, and a prior 100k trail result for entry.

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.

An endurance running event in Gig Harbor, WA offering 24 hour, 12 hour day, 12 hour night, and 6 hour options on a 2 mile loop with varied terrain and about 320 feet of climb per lap. Aid station, drop bags, and nearby parking are available..

A night trail run near Weatherford on the Lake Mineral Wells State Park Trailway offering 5K, 10K, a half marathon and a 10K ruck. The course is on soft fine gravel, headlamps are required and participants must carry their own water.

Wild Boar Night Run on September 12, 2026 is a half marathon and half marathon ruck in Green Swamp West Tract near Dade City, FL. The out-and-back trail is marked with pink flags, has an aid station at the turnaround, and a post-race potluc..

Trail race at Sloppy Floyd State Park offering 5K, 10 mile, half marathon and a 20 mile special in 2026. Routes include wide trails, single track and climbs to Becky's Bluff and Marble Mine.

City Challenge Race returns to Jersey City on September 12, 2026 with a fast 3-mile urban obstacle course featuring 20+ city-style obstacles, new finisher medals, professional chip timing, awards and free race photos.

A community focused trail event in Jupiter, Florida featuring a 50K, a 12 hour timed loop format, and a 5k fun run on gravel loops by the Loxahatchee River. Proceeds beyond overhead benefit the local Florida Trail Association and 50K and 12..

Trail trail races at Stevens Creek Reservoir in Cupertino on September 12, 2026 include a Half Marathon, 11K and a 2.5 mile Lollipop Loop. The USATF sanctioned event is hand timed, capped for the longer distances, and supports wildfire reli..

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.

A backyard ultra style trail event in Marietta, GA, run on a 1.5 to 2 mile loop that can be repeated to reach distances such as 50K. The race is untimed and self supported, with limited facilities and shared aid among runners.