Trail Running Calendar United States 2025-2026

The Run Empowered Series is an exciting running event hosted by Empower Ultras, designed for participants to challenge themselves and earn unique rewards. By signing up for at least four Empower races in 2024, runners can qualify for a special jacket in 2025. The series includes various race distanc..

The Tennessee Mile is an exciting running event set to take place on private land near Franklin, TN. This unique race features a looped course of 1.1 miles with a total elevation gain of 340 feet, allowing participants to complete as many loops as they desire within their chosen time frame. The even..

The Quiet Silence 50k is a unique running event taking place in Lake Mills, Wisconsin, on December 5-6, 2025. Participants will tackle an out-and-back course on the scenic Glacial Drumlin State Trail, which features a mostly flat, crushed gravel surface. Runners have eight hours to complete the 50k..

The Climb 89 will take place in Richland from Friday 5 December 2025 to Saturday 6 December 2025.

The Shakori 40 Running Festival is a vibrant event that unites the running community in a celebration of nature, camaraderie, and live music. Scheduled for December 5-6, 2025, in Pittsboro, NC, the festival features a variety of races including a 40-mile ultramarathon, a 40K open race, and a 40-mile..

The Blood Rock 100 is an exciting trail running event held at Oak Mountain State Park in Pelham, Alabama. Scheduled for December 5, 2025, it features multiple race distances, including the 100-mile, 50-mile, 50K, and 25K, all utilizing the scenic Belcher Tract. Participants will experience beautiful..

The Cloudland Canyon 50 Mile/50K/Half event, organized by Run Bum Races, takes place on December 6-7, 2025, at Cloudland Canyon State Park in Rising Fawn, GA. This scenic trail run features multiple distances: a 50-mile race, a 50K, a 25K, and a 5-mile option, all designed to showcase the park's stu..

The Death Valley Trail Marathon, set for December 6, 2025, is a scenic wilderness trail run held in Death Valley National Park, California. Participants can choose between a full marathon and a half marathon, both of which traverse a gravel jeep road through the stunning Titus Canyon. The event is l..

The Mosaic Trail Race, hosted by Tejas Trails, offers a variety of running distances including 50k, 26.2 miles, 13.1 miles, 15k, 10k, and 5k, along with youth races. Set in December at the historic Indian Mound Ranch in Liberty Hill, Texas, this event encourages participants of all ages and backgrou..

One Epic Run is a unique 24-hour running event taking place at Croft State Park in Spartanburg, South Carolina. Scheduled for December 6-7, 2025, this race invites participants to embrace the challenge of running on a scenic 5k loop, with a focus on camaraderie and self-timed laps. Runners are encou..

The Tower Tag Challenge is an exciting trail running event held at Sleeping Giant State Park in Connecticut, known for its stunning views and diverse trails. Participants can choose between 4-hour and 8-hour options, racing up and down the Tower Trail, which ascends over 600 feet to the Observation..

The Colossal Vail 50/50 is an exciting ultra running event held in Vail, Arizona, featuring courses of 50 miles, 55K, and a half-marathon. Set against the stunning backdrop of the Arizona Trail, participants can enjoy well-maintained trails and breathtaking desert vistas. The event, which began in 2..

The Brazos Bend 100 is a premier trail running event held at Brazos Bend State Park, just south of Houston, Texas. Scheduled for December 6-7, 2025, it features multiple race distances, including 100 miles, 100 kilometers, a marathon, and a half marathon. The 100-mile race serves as a qualifier for..

Storm the Bluffs is an exciting multi-sport event taking place in Minnesota City, MN. Participants can choose from various activities, including a Duathlon, Duathlon Relay, 15K Mountain Bike race, 15K Trail Run, and a 5K Trail Run. This event is designed for athletes of all levels, offering a chance..

The Conquer is a challenging backyard ultra marathon held in Dawsonville, GA, at Amicalola Falls State Park. Participants must complete a 4.1-mile loop every hour, with a total elevation gain of 1,065 feet, until only one runner remains. Each competitor carries a $100 bill throughout the race, which..

The Hitchcock Experience Endurance Runs is a challenging running event taking place at Hitchcock Nature Center in Honey Creek, IA. Scheduled for December 6-7, 2025, participants can choose from various distances, including a 100-mile race, a 101K, a 50-mile run, and a half marathon. The event emphas..

Devil Dog Ultras is an exciting trail running event held in Prince William Forest Park, Virginia, featuring 100-mile, 100K, and 50K races. The course consists of primarily single-track trails with some technical sections, and runners can expect well-stocked aid stations throughout the loops. Partici..

The Caloosa Fest 5K is an exciting running event taking place in Alva, Florida, featuring a scenic trail run. Scheduled for December 6, 2025, this festival includes not only the 5K race but also ultra races of 25K and 50K, along with adventure races. Participants can enjoy various activities, includ..

The Freight Train 100k/50k is an exciting running event taking place in Farmville, VA, featuring three race options: a 100k, a 50k, and a half marathon. Set on a relatively flat rail trail, the course offers a scenic experience with a total elevation gain of less than 1500 feet for the 100k. Partici..

The Guv'nor Frozen 50K is an ultra-marathon event taking place in the scenic Driftless Area of Wisconsin, specifically at Governor Dodge State Park. Scheduled for December 6, 2025, this challenging race offers three distance options: 50K, 25K, and 15K, each featuring varying elevation gains and terr..