Trail Running Calendar United States 2025-2026

The Kan is an annual mountain running event held at Mt. Spokane State Park in Spokane, Washington, on June 14, 2025. It offers three race distances: 50k, 25k, and 10k, with start times from 7:00 AM to 8:00 AM.The course features alpine meadows, pine forests, and ski trails, providing a fast yet chal..

The Jacob James Annual 5K Cross Country Race is set to take place at the Blue River Cross Country Course in Shelbyville, Indiana. This event features a professionally timed 5K race and an untimed 1-mile walk, catering to participants of all skill levels. The race honors Jacob James and aims to suppo..

The Fire Trail Running Festival takes place at Guadalupe River State Park near San Antonio, Texas, offering 8K, 25K, and 50K trail races through scenic grasslands and woodlands. The course features rocky and dirt single-track trails, including Barred Owl, Painted Bunting, and Live Oak trails, with a..

The River of No Return Endurance Runs is a challenging ultramarathon event held in Challis, Idaho, featuring distances of 32K, 55K, and 108K. Participants traverse rugged terrain, including mountain climbs over 9,000 feet, scenic ATV trails, dirt roads, and single-track trails, offering stunning vie..

The Florida Run LEFTOVER Trail Race is an exciting annual event taking place in Clermont, Florida, featuring both 4-mile and 8-mile trail runs. Scheduled for June 14, 2025, this race aims to utilize leftover medals, shirts, and other items, promoting sustainability while providing participants with..

The White Salmon Backyard Half, held annually in White Salmon, Washington, features a half marathon and a 4-mile race starting and finishing at Rheingarten Park. Both races begin on a scenic lollipop course with challenging climbs and descents, offering stunning views of the Columbia River. The half..

The Schuetzen NEIN! Hour Endurance Run is a challenging trail running event held in Davenport, Iowa, featuring a 0.85-mile loop through scenic and demanding terrain. Participants can run solo or as part of a relay team, aiming to cover as many miles as possible within a nine-hour window. The course..

Southern Discomfort is a multi-distance ultramarathon event held at Chehaw Park in Albany, Georgia, on June 14, 2025. Participants can choose from 3-hour, 12-hour, or 30-hour races, with start times beginning at 7:00 AM. The race features a 1.1-mile paved loop around the park, offering shaded areas..

The Old Gabe event, held in Bozeman, MT, features challenging 30K and 50K trail runs, honoring Jim Bridger, a notable figure of the wild west. With a cap of 130 participants, all finishers receive an Old Gabe hat, and top male and female 50K runners earn special awards. The course includes significa..

The Jackson River Scenic Trail Marathon, Half Marathon, 10k, and 5k is a vibrant running event taking place in Covington, Virginia. The USATF certified course starts and ends at the Intervale Trail Head, following a scenic route along the Jackson River. Participants can enjoy a smooth, mostly flat t..

The Cotter Bridge Ultra, held at Big Springs Park in Cotter, Arkansas, is a unique timed running event featuring 1, 3, 6, and 12-hour race options. Runners complete repeated 4.1667-mile laps, each starting hourly with just under an hour to finish. The course is a scenic, mostly flat 2.08-mile out-an..

The Barr Lake Trail Race, held annually in Brighton, Colorado, offers a scenic and fast trail running experience around Barr Lake State Park. Celebrating its sixth year, the event features multiple distances: 50K, 30K, half marathon, 15K, and 5K, all on flat, dirt terrain with minimal elevation gain..

Smith's Knob Scramble is an 8-mile trail race held in Montoursville, Pennsylvania, featuring a challenging course along the Loyalsock Trail that ascends the steep Smith's Knob. The event also offers a new 4.5-mile "Half Scramble" loop, ideal for beginners, which includes a mix of single track and lo..

The Little Mountain Endurance Challenge is a versatile outdoor race event held in Franklin, Idaho, featuring 5K, 10K, 6-hour, and 12-hour challenges. Participants can enjoy scenic views of mountains and valleys while tackling courses that include hill climbs and multiple ascents of Little Mountain...

The Cool Moon Trail Races, taking place on June 14-15, 2025, in Cool, California, offers a variety of race distances including 100K, 50-mile, 25-mile, 13.5-mile, 11.5-mile, and a 5K. The course features scenic loops with a mix of single track and fire roads, showcasing the beautiful Northern Califor..

The Divide Trail Race is an exciting trail running event taking place in Butte, Montana, featuring two main distances: a 50K and a 25K. Set against the stunning backdrop of the Continental Divide, participants will navigate through scenic trails, historic train tunnels, and picturesque landscapes. T..

The TSR Trail Half Marathon will take place in Adams on Sunday 15 June 2025. You can run between 10 and 21 kilometers.

Dirt Circus - San Francisco is a free community running event held in San Francisco, California, celebrating local trail running culture. Organized by UltraSignup, this one-day festival features a social group run with options of 3.2 or 4.5 miles, welcoming all paces and encouraging participants to..

Smith’s Challenge Trail Run, organized by the Lancaster Road Runners Club, celebrates its 36th anniversary in 2025 as the oldest trail race in Central Pennsylvania. Held in Lancaster County Central Park, the event features 5-mile and 10-mile trail races that traverse challenging courses with trails,..

The Dirt Days Trail Series - French Park Creek Crossings is a trail running event taking place in Cincinnati, Ohio, on June 15, 2025. This race features a scenic 3.6-mile course that showcases the beauty of French Park, including meadows, tall grass, and multiple creek crossings. Participants can ch..