Trail Running Calendar United States 2025-2026

The Calero Trail Run - Winter is a versatile trail running event held at Calero County Park in San Jose, California. It offers a range of distances including a 50K, trail marathon, 25K, half marathon, 15K, 10K, 5K, mile, and a kids run, catering to all levels of runners. The course features scenic s..

Death Valley Trail Marathon & Half Marathon takes place in Death Valley National Park, Inyo County, California. Distances include marathon and half-marathon on Westside Road dirt trail through Badwater Basin. The half is an out-and-back; the marathon repeats the loop.Turnaround is near valley’s lowe..

Last Chance Ultra is the fourth annual trail ultramarathon weekend in Springfield, Missouri, running December 6–7, 2025. Runners can select from 100 Miler, 100K, 50 Miler, 50K, or a Sunday 10 Miler, offering a range of endurance challenges year’s end. The event centers on trail courses hosted by Hea..

Small Town Christmas 34 Hour is an ultramarathon in Valley, Alabama, near the Chattahoochee River and Shawmut Airport. Runners tackle a 2-mile loop for up to 34 hours, embracing a small-town holiday atmosphere. The course follows the riverbank, offering a repeatable loop for endurance pacing.The rac..

Located at Staunton State Park in Pine, Colorado, Sawmill Trail Runs offers three distances: 50k, 16-mile, and 8-mile. The event, now in its 8th edition, starts and finishes at the Ranch Hand Group Picnic Area. With a capped field of 250, the race combines scenic, challenging terrain across Colorado..

Perpetual Motion is a multi-event ultrarun held at Mariner Point Park on the shore of Lake Grapevine in Grapevine, Texas. Runners choose 6-, 12-, or 24-hour distances on a looped course, on an 800-meter paved loop along Grapevine Lake, with direction changes every four hours. The course offers sceni..

Utah Santa Run - Gardner Village in West Jordan, Utah, is a holiday-themed race series along the Jordan River Trail ending at Gardner Village. Runners can choose 5K, 10K, or Half Marathon distances, plus a Santa Run Virtual Race and special pacer options (including an invite-only Half Marathon pacer..

Set in Governor Dodge State Park, The Guv’nor Frozen 50 is Driftless Endurance’s winter ultra featuring 50K, 25K, and 15K options. The 50K is two loops totaling about 31 miles with roughly 4,400 feet of elevation gain, traversing a mix of horse trails, dirt single and double tracks, and prairie path..

Anza Borrego Cuyamaca 50 Mile Run is a point-to-point ultramarathon covering 50 miles from the Sunrise Trailhead near Julian, California, to Stagecoach Trails RV Resort & Campground. The course climbs to Stonewall Peak, winds through wooded trails near a lake, then descends into Oriflamme Canyon and..

The Gardens Trailblazer 5k is a holiday-themed, family-friendly running and walking event at The Gardens North County District Park in Palm Beach Gardens, Florida (5101 117th Ct N). It offers 5k and 2k options for all ages. Participants receive a long-sleeve performance shirt, a finisher ornament, a..

The Tower Tag Challenge is a timed trail-running event organized by Steep Endurance at Sleeping Giant State Park in Hamden, Connecticut. The event takes place on December 6 and offers two time-window options: a 4-hour event and an 8-hour event. Entry costs vary by registration date and category, wi..

The Q50 Races Santa on Trails is scheduled for December 6, 2025 at Fontainebleau State Park, Mandeville, LA (62883 LA-1089, end of road near the beach). The event is a trail 5k (5k / 3 miles) held at the park pavilion by the water. A $3.00 park entry fee per person applies. Race-day registration is..

Over The Hill Track Club presents the High Desert Ultra, a Ridgecrest, California event offering 50K and 30K for desert trail runners, with a new 10K added. Runners traverse looping dirt roads through rolling desert terrain, offering views of the southern Sierras, Rademacher and Spangler Hills, and..

The Bigfoot 50K in Lore City, OH takes place at Salt Fork State Park Lodge in Kimbolton, near Lore City. The weekend event offers 50K, 20‑mile, and 10‑mile races on Saturday, with a final 10‑mile option on Sunday. The well‑marked course is a 10.4‑mile loop entirely inside Salt Fork State Park, with..

The Dirty Spokes Off The Grid Fort Yargo Cannonball Run is a trail running event held at Fort Yargo State Park in Winder, Georgia. Participants can choose between two distances: 8.75 miles or 3.10 miles. The race features a mix of smooth and technical trail surfaces, making it suitable for both expe..

Chester Rim 5K in Duluth, Minnesota, starts in Chester Park and follows the Chester Rim Trail, part of the Duluth Traverse. The loop drops below Skyline and runs along Chester Creek, with waterfalls along the gorge. It’s a flowing, fast, and fun 5K on snowpacked trails. This race is part of the Dul..

Mayhem Night Trail is a night-time trail race at McDowell Mountain Regional Park in Fort McDowell, Arizona. It features three distances: 25K (15.2 miles), 10 miles, and 5 miles, run on winding single-track with short climbs and drops. Runners navigate by headlamp under cool December skies, sharing t..

The Fremont Canyon 28k Trail Run is an exciting running event taking place in Irvine Regional Park, Orange, California. Scheduled for December 6, 2025, this challenging 28k (17.5 miles) course features fire roads with an elevation gain and loss of 2860 feet, making it suitable for experienced runner..

Krampuslauf in Lyme, New Hampshire, at the Dartmouth Ski Way, offers 5K, 10K, and a 9‑hour endurance option. Runners begin at the base lodge and tackle Holt’s side for a steep 5K ascent; 10K participants complete Holt’s and then Winslow side before finishing by the lodge. The 9‑hour loop repeats the..

The Old Fort Strong Endurance Festival takes place at Camp Grier, 985 Camp Grier Rd, Old Fort, NC. It offers 3-, 6-, and 12-hour trail runs and mountain bike rides on the Camp Grier and Gateway Trail System. The run loop is about 3.5 miles with roughly 550 ft of climb and descent per lap; the bike l..