Trail Running Calendar United States 2025-2026

The Bosque Bigfoot Trail Runs, set in Albuquerque, NM, invites runners to embark on an extraordinary adventure through the enchanting Bosque. Participants can choose from three race distances: a challenging 50K Ultra, a 16-Mile Discovery, or an 8-Mile Explorer, catering to various skill levels. The..

The Quarry Turkey Half Marathon is a family-friendly running event taking place on November 29, 2025, at Quarry Lakes Regional Park in Fremont, California. Participants can choose from a half marathon, 10K, or 5K race, along with a free Little Turkeys Race for children. The event encourages Thanksgi..

The Squatchy Leftovers Trail Race, taking place on November 29, 2025, at South Mountain Reservation in West Orange, NJ, offers a variety of distances including 5K, 10K, 25K, and 50K. This family-friendly event supports the non-profit organization Bigger Than The Trail, which provides cost-free thera..

The Quad Dipsea will take place in Mill Valley on Saturday 29 November 2025.

The Black Mountain Turkey Burner is an annual trail race held in San Diego, California, designed to help participants burn off their holiday meals. Scheduled for November 30, 2025, this event features three race categories: a challenging half marathon, a 10K, and a 5K, each offering varying levels o..

Rob's Trail Run Edition is a running event taking place at Stillwell Woods Preserve in Woodbury, NY. Scheduled for November 30, 2025, the event features two main races: a 5K Adult Trail Run and a 5K High School or Youth Trail Run, catering to participants of different age groups. This event not only..

The Turkey Trails event in Goddard, Kansas, is a family-friendly running event featuring a variety of races, including a 1 Mile, 5k, 10k, Kids Dash, and a Virtual Race option. Participants can enjoy custom race swag, including designer shirts and finisher medals, along with chip-timing and live resu..

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

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 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 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 Mayhem Night Trail is an exciting running event taking place in Fort McDowell, AZ, featuring 25K, 10-mile, and 5-mile courses. This race is part of the Fall Sunset Series and offers a unique night trail experience, allowing participants to share the course with 50-mile runners from the earlier M..

The ZombieRunner Quarry Lakes event is a running competition held at the scenic Quarry Lakes Regional Recreation Area in Fremont, California. Participants can choose from various distances, including a 5K, 10K, Half Marathon, 30K, and Marathon, along with youth categories and a free Kid's Run. The c..

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 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..

The Krampuslauf is a unique running event held at the Dartmouth Skiway in Lyme, NH, featuring 5K, 10K, and a challenging 9-hour endurance race. Participants will navigate scenic mountain trails, starting at the ski lodge and tackling both Holt's and Winslow sides of the mountain. Runners can earn me..

The Q50 Races Santa on Trails 5k is a festive running event scheduled for December 6, 2025, at Fontainebleau State Park in Mandeville, Louisiana. Participants will enjoy a scenic 5k trail run while contributing to a charitable cause by bringing a new toy for children in need. The event promises a fu..

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..