Trail Running Calendar United States 2025-2026

The Storybook Half Marathon is a friendly trail running event held in Roosevelt Forest, Stratford, Connecticut. The course consists of 1.64-mile loops repeated eight times, totaling the half marathon distance of 13.1 miles. Runners, joggers, hikers, and walkers are all welcome, with a four-hour time..

The VHTRC Women's Half Marathon will take place in Fairfax Station on Saturday 13 September 2025. You can run between 7 and 13 miles.

The Boulder Field 100 is a challenging trail running event held at Hickory Run State Park in Jim Thorpe, Pennsylvania. It offers three distances: a 100K ultra run, a 50K ultra run/mega hike, and an 18-mile run/hike. The course features a figure-8 shaped 50K loop, with 100K participants running the l..

The Ontario Summit Trail Races, held at Gannett Hill Park in Naples, NY, celebrate their 10th anniversary in 2025. The event features a half marathon and a 5-mile trail race through scenic, wooded terrain with rolling single-track trails, rocks, roots, and stunning views. Participants can enjoy aid..

The Horsethief Canyon Trail Run is a 10K race held at Kanopolis State Park in Marquette, Kansas. The course features a mix of terrain, including hills, rocky sections, sand, and shallow water crossings, with approximately half a mile of road at the start. The trail is multi-use, accommodating equest..

The Blisters & Brews Telluride 5k will take place in Telluride on Saturday 13 September 2025. You can run between 5 and 5 kilometers.

The Rock 'N The Knob Trail Challenge is Pennsylvania's highest trail race, taking place in Claysburg. Scheduled for September 13, 2025, the event features three challenging courses: an Ultramarathon (50K), a Medium Distance Course (20K to 25K), and a Short Course (approximately 10K). Each course off..

The Ironbull Ultra Trail is a challenging trail running event held at Rib Mountain State Park in Wausau, Wisconsin. Participants can choose from 50k, 25k, or 15k courses, featuring significant elevation gains and technical single-track trails. The race showcases the natural beauty of Rib Mountain, w..

The Virgil Crest Ultras is an exciting running event taking place in Cortland, NY, featuring challenging courses of 100 miles, 50 miles, and 50K. Known for its steep ascents and descents, the event promises a beautiful experience through singletrack forests and stunning views. Participants can expec..

Snow Mountain Ranch Trail Running Festival, held in Granby, Colorado, offers a scenic and challenging trail running experience with race distances of 50K, 33K, Half Marathon, 10K, and 5K. Set at the YMCA of the Rockies, the courses feature 100% dirt trails winding through rolling hills, golden aspen..

The Ned Ned Half Marathon is a long-standing trail running event held in Nederland, Colorado, a picturesque mountain town. Celebrating over 43 years, the race offers a challenging half marathon covering 13.3 miles with 1,408 feet of elevation gain, featuring dirt roads and single-track trails that s..

The Mountaineer Rumble 12 Hour Trail Run takes place at Kings Mountain State Park in Clover, South Carolina. This endurance event features a 4.5-mile loop course that showcases scenic trails including the National Recreation Trail, CCC Multi-Use Trail, Living History Farm, and Historic Farm Trail. R..

The Guild 7 Trail Race is a challenging 7-mile trail event held in Chattanooga, Tennessee. The course follows the historic Guild-Hardy Trail, a well-maintained "truck" trail with a rich history dating back to the 1880s, originally built to serve passenger traffic to Lookout Mountain. The race featur..

The Shawangunk Ridge Trail Run (SRT) is a challenging ultramarathon event that spans 70 miles along the scenic Shawangunk Mountains, from High Point State Park in New Jersey to Rosendale, New York. The trail features diverse terrain, including rocky sections, waterfalls, wetlands, and iconic white c..

The Berkeley Trail Adventure is a scenic trail running event held in Berkeley, California, within Tilden Regional Park and Wildcat Canyon. It offers four race distances: 10K, half marathon, 35K, and 50K, featuring challenging terrain with technical dirt trails, fire roads, and some asphalt sections...

The Tucard will take place in Orono on Saturday 13 September 2025.

The Vineyard Vista 10k and 5k is a scenic running event held at Muse Vineyards in Woodstock, VA. Participants can enjoy a course that combines cross-country around vineyards, paved road sections, and trail segments through Seven Bends State Park. The event benefits Friends of Seven Bends State Park..

The Ouray 50 Mile Endurance Run, held in Ouray, Colorado, is a challenging mountain ultramarathon featuring approximately 23,582 feet of elevation gain. Known for its technical and demanding trails, the course is set nearly two miles above sea level amidst stunning mountain scenery. This race is des..

The Pocatello Fall Ultra is an exciting running event held in Pocatello, Idaho, featuring multiple race distances including 100K, 60K, and a 15-20 mile option. Participants can expect challenging courses with significant elevation gains, primarily on scenic single-track trails. The event offers chip..

The Riverbend Ultras 12 HR/50K is a community-focused ultrarunning event held at the River Pavilion on Picnic Island in Riverbend Park, Jupiter, Florida. Participants can choose between a 12-hour run, a 50K, or a fun run. The course features scenic 3.2-mile loops along the Loxahatchee River on grave..