Trail Running Calendar United States 2025-2026

The Cereal Killer Trail Run is a 15k race held at Red Mill County Park in La Porte, Indiana, scheduled for February 7, 2026. The event features a challenging course of four loops, marked with flags and signs, and offers a fun, low-key atmosphere. Participants receive a limited-edition long sleeve sh..

The North Texas Ultra is a premier running event taking place at Fort Richardson State Park in Jacksboro, Texas. This ultra marathon features multiple race distances, including 5K, 10K, 25K, 50K, 52 Miler, and 100K, along with a 25K RUCK. The course is known for its scenic, flat, and well-maintained..

The Frozen Assets 5K Run/Walk is a unique event hosted by Clean Lakes Alliance, taking place on a frozen lake in Madison, Wisconsin. Participants can choose to run or walk across the ice of Lake Mendota, enjoying stunning views of downtown Madison and the University of Wisconsin-Madison campus. The..

The Stone Mountain Massacre is an exciting running event taking place in Roaring Gap, NC, featuring a challenging 50K, 25K, and 8-mile race. Participants will navigate a scenic yet rugged course through Stone Mountain State Park, collecting tokens from aid stations along the way. Each runner must ca..

The Mt. Umunhum Trail Conquest - Winter is an exciting running event taking place at Almaden Quicksilver County Park in San Jose, CA. Participants can choose from various distances, including a 50K, Marathon, 30K, Half Marathon, 7 Miler, 5K, and a Kids Run.The course features scenic trails that lead..

The Winterläufe - The Winter Race is an annual charity running event held in Frankenmuth, Michigan, organized by the Frankenmuth Jaycees. Participants can choose from various events, including an 8K run and walk, as well as Economy options for those looking to save on registration fees. The race fea..

The Stoneman Trail Run is a scenic 14K (approximately 8.6 miles) race held in the picturesque McDowell Mountain Regional Park near Fountain Hills, Arizona. This daytime event features fast and friendly trails, making it a favorite among runners. It is part of the McDowell Mountain Cup series, encour..

The ICY-8 Spotsylvania Courthouse is an exciting trail running event taking place at Lake Anna State Park in Spotsylvania, VA. Scheduled for February 7, 2026, this event features an 8-hour adventure trail run and a new Half Marathon+ option. Participants can choose from various loop distances, inclu..

Gone Loco is an exciting running event taking place in Athens, TN, on February 8, 2026. Participants can choose from a 33-mile ultra marathon, an 11-mile run, or an 11-mile ruck, all set on the scenic Eureka Trail. This certified marathon course features a flat, well-maintained gravel path, ideal fo..

The Mahlon Winter Donut Trail Run & Hike features a scenic adventure through the beautiful trails of Lake Hopatcong, NJ. Scheduled for February 8, 2026, participants can choose from three distances: a 5-mile, 10-mile, or half marathon (13.1 miles). The courses offer a mix of terrain, including strea..

The Sombrero Ultra Running Festival (SURF) is an exciting ultra-running event taking place in Middleburg, Florida, designed to bring together runners of all levels. Scheduled for February 13, 2026, the festival features various race distances, including 3-hour, 6-hour, 12-hour, 24-hour, and 48-hour..

The Black Canyon Ultras is an annual trail running event held in Arizona, featuring 100K and 50K races along the scenic Black Canyon National Recreation Trail. Scheduled for February 14-15, 2026, this event attracts runners from around the globe, offering a challenging course that showcases the rugg..

Bay Breeze 2026 is a scenic running event taking place at the San Leandro Marina Park, featuring a half marathon, 10K, and 5K races. Known for its picturesque views of San Francisco and the Bay, the course offers a mostly flat, easy trail ideal for both seasoned runners and beginners. Participants c..

The Hagg Mud 50K/25K is an exciting trail running event held at Henry Hagg Lake in Gaston, Oregon, known for its challenging muddy courses. Established in 2001, this race offers participants the choice between a 50K or a 25K distance, both featuring stunning views and well-maintained trails. The eve..

The Outlaw 100 Oklahoma is an exciting trail running event held at Twin Mountains in Kinta, Oklahoma. Participants can choose from various distances, including a challenging 100-mile race featuring a 13-mile loop with over 2,000 feet of elevation gain. The course offers diverse terrain, including ro..

The Rocky 50 Trail Race, organized by Tejas Trails and USWE, is an annual event held in early February at Huntsville State Park in Texas. It offers three race distances: a 50-mile ultra, a 50K, and a half marathon (13.1 miles), attracting trail runners of all levels. The course features scenic, roll..

The Frozen Trailfest is an exciting outdoor event taking place in Franke Park, Fort Wayne, Indiana, on February 14, 2026. Participants can choose between a 10K trail run and a 20K mountain bike ride, both set against the backdrop of the park's frozen singletrack trails. The event aims to promote out..

The Cupid's Gauntlet will take place in Harker Heights on Saturday 14 February 2026.

The Ranch 50K is a trail running event held at Daley Ranch in Escondido, California, featuring a challenging course with significant elevation gain. The race includes a 50K distance, consisting of two loops of 25K each, and a half marathon option, both starting and finishing at Dixon Lake Picnic Are..

Whispering Pines is a community-focused running event taking place in Inverness, FL, designed for participants of all ages and abilities. The event features a 5-mile trail loop that is open for 12 hours, allowing runners and walkers to complete as many laps as they wish. The atmosphere is laid-back..