Trail Running Calendar United States 2025-2026

Running the Rose is a trail running event held at Tyler State Park in Tyler, Texas, featuring single-track trails through East Texas pine forests with towering 100-foot trees and rolling hills that provide both challenge and enjoyment. The race offers multiple distances: 7K, 11 miles, 22 miles, 54K,..

The Franklin Mountains Trail Runs, held in El Paso, Texas, is a challenging mountain race series set in the rugged Franklin Mountains State Park. Participants experience diverse distances including 5k, 10k, half marathon, 30k, 55k, a 12-hour endurance event, and the King/Queen of the Mountain challe..

The Little Big Dog Trail Run will take place in Caliente on Saturday 24 January 2026.

David's Trail Endurance Run is a challenging trail running event held in Mountain Home, Arkansas, near scenic Lake Norfork. The race offers three distances: 7K, 25K, and a demanding 50K course featuring over 5,000 feet of elevation change through a mix of single and double track trails in the Ozarks..

The Vegas Polar Plunge 5K, held annually at the Silver Springs Recreation Center in Henderson, Nevada, offers participants a unique winter running experience. Runners can choose from a 5K, 1-mile, or a virtual option, all finishing with an optional plunge into the chilly outdoor pool, with water tem..

The Folsom Lake Sweetwater Trail Run, held at Folsom Lake State Recreation Area in El Dorado Hills, CA, offers a variety of distances including Kids Run, 1 Mile, 5K, 10K, 9 Mile, Half Marathon, 30K, Trail Marathon, and 50K. The course is predominantly single-track (95%) with some dirt road sections,..

The La Cuesta Ranch Trail Run, held on January 24, 2026, takes place at the scenic La Cuesta Ranch near San Luis Obispo, California. The event offers three distances: 10km, 20km, and 30km, all run on 100% dirt trails and ranch roads with stunning views of West Cuesta Ridge. The course features a loo..

This ain't your Mothers 50k & Trail Marathon is an annual trail running event held in Middleburg, Florida, within the scenic Jennings State Forest near Jacksonville. The race features multiple distances including a 50K, trail marathon, 12K, and 7K. The courses traverse the diverse Pioneer Trail, kno..

The Arizona Rocks! Half Marathon, 10K, and 5K Trail Run is an annual event hosted by StartLine Racing at Paloma Community Park in Peoria, Arizona. This trail running event offers distances of half marathon, 10K, and 5K, catering to both seasoned trail runners and newcomers. Participants experience s..

The La Llorona 10K Trail Run, organized by Huarache Turbo, takes place at McAllister Park in San Antonio, Texas. This trail run is ideal for both seasoned road runners and newcomers to trail running, offering a welcoming 10-kilometer distance. Participants will enjoy scenic cactus-lined trails with..

The Langlauf 10K Cross Country Ski Race is held annually at the Mount Spokane Nordic Ski Center in Mead, Washington, the premier cross-country ski area in the Inland Northwest. This traditional 10-kilometer race features wave starts to accommodate skiers of all skill levels and speeds. Celebrated as..

The Arrowhead 135 is a grueling 135-mile human-powered ultra-endurance race held in Northern Minnesota, running from International Falls to Tower along the rugged Arrowhead State Snowmobile Trail. Participants can choose to compete by foot, ski, or bicycle in one of the coldest winter environments i..

Groundhog's Lap Race is a challenging endurance running event held at Haw River State Park Iron Ore Belt Access in Greensboro, North Carolina. Participants run loops on the 3.2-mile Great Blue Heron single-track trail through the woods. The race offers multiple time-based options: 3-hour, 6-hour, an..

The Arches Ultra is a scenic trail running event held in Moab, Utah, featuring distances of 50 miles, 50K, half marathon, and 9K. Set along the lower-elevation trails bordering Arches National Park, the course offers stunning views of Moab cliffs, the snow-capped La Sal Mountains, and passes dinosau..

The Greenleaf Trail Run (GTR) is an annual trail running event held in Braggs, Oklahoma, with the 10th edition scheduled for January 31, 2026. The race takes place at the Gruber ORV Park, featuring a moderately technical 5+ mile loop trail. Participants can choose from three distances: 5 miles, 10 m..

The Pleasant Ridge Backyard Ultra is an endurance running event held at Pleasant Ridge Camp and Retreat Center in Marietta, South Carolina. This unique race challenges participants to run 4.167-mile laps every hour on the hour, continuing until only one runner remains able to complete a full lap. Th..

The Bootleg Boogie is an ultra running event held in Bootleg Canyon near Boulder City, Nevada, featuring distances of 100 miles, 50 miles, and a half marathon. The race takes place on a challenging 12.5-mile loop with over 90% singletrack trails, including 2,000 feet of elevation gain per lap. Parti..

The Dahlgren Trail Half Marathon is a scenic running event taking place on the Dahlgren Railroad Heritage Trail in King George, Virginia. This half marathon features a flat, out-and-back course that showcases the natural beauty of the area. Participants can enjoy cash prizes, custom finisher medals,..

The Sean O'Brien event in Calabasas, California, offers multiple trail running distances including 100K, 50 miles, 50K, marathon, and 30K. The 100K race serves as a qualifier for the 2026 Western States 100. The course features scenic trail views with notable vantage points around miles 7 and 15, pr..

The Coo-Wah-Chobee event, held in Venice, Florida, offers runners a choice of 50k, 25k, 5k, and a youth 5k distances. Hosted at the scenic Carlton Preserve, the course features a mix of single-track and dual-track trails, providing a varied and engaging running experience. This single-loop race is o..