Trail Running Calendar United States 2024-2025

The Marilla Trail Race, set in the scenic Marilla Reservoir in Bradford, PA, features a variety of events including a 14-mile trail run, a 7-mile trail run, and a 4-mile hike. This race is designed for participants of all skill levels, offering well-marked trails that traverse diverse terrains, incl..

The Parallel of Latitude Endurance Race is an 8-hour fixed time running event held in Dryden, NY, featuring a flat, scenic 3.45-mile out-and-back course along a rail trail next to Dryden Lake. This inclusive race welcomes participants of all paces, including walkers, with no mileage or time cutoffs...

The Trailway Trail Race, scheduled for September 27, 2025, takes place at Lake Somerville State Park in Texas, featuring a variety of events including a 50k, marathon, half-marathon, 10k, 5k, and a youth 1-mile trail run for children aged 12 and under. The race showcases the scenic Trailway, which c..

The 24 Hours of Palmer Lake is an endurance running event set in the scenic mountains of Palmer Lake, Colorado, featuring a 0.82-mile loop course at an elevation of 7,240 feet. This community-driven race encourages participants to challenge their mental and physical limits, whether competing for dis..

The Hungerford Trail Races take place in the picturesque Manistee National Forest in Big Rapids, MI, offering a stunning backdrop for runners. Participants can choose from three distances: 15 miles, 45K, and 50 miles, making the event suitable for all skill levels. The course features beautiful fore..

FlatRock 101 is a renowned trail ultra event held at Elk City Lake in Independence, Kansas, featuring distances of 50K, 25K, 12K, and 5K. As the oldest trail ultra in Kansas, it offers a challenging course that winds through scenic limestone bluffs and rock formations. Participants can also join the..

The Midwest Everest is a challenging running event held in Belmont, MI, featuring a 100-mile ultra marathon with over 30,000 feet of ascent and descent, making it one of the toughest races in West Michigan. Participants can also choose from a 50-mile race, a Sunset 10K, and a Sunrise 20K, all taking..

The North Rim Ramble is a unique endurance event featuring a half-marathon, marathon, and a long 10K race, set against the stunning backdrop of Northern Arizona's Kaibab Plateau. Participants will traverse a 13.1-mile loop that includes well-graded forest roads and scenic singletrack, offering breat..

The Ivy Trek Ultra is an exciting trail running event organized by Time 2 Run Race Timing, set in the picturesque Clarkco State Park, Mississippi. Participants can choose from three distances: 50K, 25K, and 12.5K, all featuring a scenic 7.78-mile loop that combines double track and single track trai..

The Angeles National Forest Trail Race, celebrating its 20th anniversary, offers both 25K and 50K distances through the scenic San Gabriel Mountains. Set at the iconic Mt. Wilson Observatory, this challenging race features significant elevation gains of 3,500 feet for the 25K and 7,000 feet for the ..

The Brandy Station Battlefield 10k is a scenic running event scheduled for September 27, 2025, at the historic Brandy Station Battlefield. Participants can enjoy a combination of cross-country and gravel dirt road courses, featuring slight elevation gains. Runners will receive a finisher's medal, a ..

The MuuvWell Hot Rod 24 Hour Ultra is an exciting endurance running event taking place in Bowling Green, Kentucky. Scheduled for September 27-28, 2025, the event features multiple categories, including a 24-hour ultra, a 24-hour relay, and a 12-hour ultra, with both daytime and nighttime options. Pa..

Babbitt's Backyard Ultra is a unique endurance running event held at SP Crater in Flagstaff, AZ. Participants must complete a 4.167-mile loop every hour, with the challenge continuing until only one runner remains. The event features a combination of dirt trails and roads, offering stunning views an..

The Miami 100 is an urban ultramarathon event taking place on September 27, 2025, in Miami, Florida. Participants can choose to run a 100-mile race, a 50k, or take on the Miami 125 Challenge, which adds an additional 25 miles to the 100-mile course. Runners will navigate through Miami's vibrant neig..

The Tick Tock Ultra is an exciting endurance event held at Lake Hollingsworth in Lakeland, FL, featuring 12-hour and 6-hour challenges. Participants race along a scenic 2.84-mile paved path, aiming to complete as many laps as possible within their designated time. The event includes a relay option f..

The Lady of the Lake event in Blairsville, GA, is a unique running experience featuring 4-hour and 8-hour races on a scenic 1-mile trail loop around Lake Trahlyta at Vogel State Park. Participants can run as many laps as they wish within their chosen time frame. The trail is designed to be runnable,..

The Bear Chase Race Endurance Festival, taking place at Bear Creek Lake Park in Lakewood, CO, features a variety of trail running events including a 100K, 50 Mile, 50K, Half Marathon, Baby Bear 10K, and 5K. This festival is ideal for both novice and experienced ultramarathoners, offering a mix of ch..

The Sangre de Cristo Trail Festival, organized by the Human Potential Running Series, invites participants to experience a rugged ultra run along the scenic Rainbow Trail in the Sangre de Cristo Mountains. This event features various distances, including 8-Mile, 27k, 50k, 50-Mile, 100k, and 100-Mile..

The Golden Leaf Half Marathon is a scenic running event that takes place annually in Aspen, Colorado. The race begins at Fanny Hill in Snowmass and follows the picturesque Government Trail, winding through beautiful aspen groves before finishing at Koch Park in downtown Aspen. This popular half mara..

The Crested Butte Ultra is a premier trail running event held in Crested Butte, Colorado, featuring three race distances: 50 miles, 55K, and 35K. Set against the stunning backdrop of Gunnison National Forest, participants can enjoy breathtaking views, vibrant wildflowers, and the beautiful autumn fo..