Trail Running Calendar United States 2025-2026

The Alma Foundation Race in the Clouds Dirt Festival is an exciting outdoor event taking place in Alma, Colorado, from July 10 to July 13, 2025. Set at an elevation of 10,600 feet, the festival features a variety of activities including mountain bike racing, trail running, a free kids' race, and an..

The Notchview Ultra is a multi-day ultramarathon event held from July 11-14, 2025, in Windsor, MA, at the scenic Notchview. Participants can choose from various race durations, including 6, 12, 24, 48, 72 hours, or a 100.7-mile race, starting at different times throughout the weekend. The course fea..

The Silverheels Trail Runs is an annual ultramarathon event held in Colorado's stunning Front Range, featuring distances from 10 miles to 100 miles. The race takes place at high elevations, with courses through alpine meadows, ghost towns, and mountain forests, offering spectacular views of Colorado..

Merrill’s Mile is a challenging ultramarathon event held at Camp Frank D. Merrill in Dahlonega, Georgia. The race features a USA Track & Field certified 0.9951-mile paved loop with a 12-foot width and about 10 feet of elevation gain per lap.Participants can choose from 6-hour, 12-hour, 24-hour, and..

The Hardrock 100 is a challenging 100-mile ultramarathon held annually in the San Juan Mountain Range of southwestern Colorado. The race features a counter-clockwise loop course with a total elevation change of about 66,000 feet, including 33,000 feet of ascent and descent, averaging an elevation of..

The 7-11 Slurpee Day Ultra 60k is a unique, self-supported ultramarathon held in Vernon, Connecticut, covering approximately 37.5 miles along mostly road routes. Participants run between seven 7-11 convenience stores across towns including Vernon, Manchester, East Hartford, West Hartford, Newington,..

The Rails-to-Trails 5K in East Hampton, Connecticut, is a point-to-point race starting at the Connecticut Draft Horse Rescue and finishing at the Old Home Days grounds. The scenic course begins on Chestnut Hill Road, crosses Route 16, and continues along the shaded Air Line Trail for about two miles..

Chase the Moon is a unique overnight ultramarathon held in Highlands Ranch, Colorado, featuring a 12-hour solo and team relay format (3- or 5-person teams) on the scenic Highlands Ranch Backcountry trail system. Runners experience stunning views of the metro area and Front Range under the full moon'..

The Cirque Series - Snowbird, UT is an exhilarating mountain running event scheduled for July 12, 2025. Participants will tackle an 8.6-mile course featuring a challenging ascent of 3,610 feet, starting from the Tram Plaza and culminating at Hidden Peak. The race is designed for various skill levels..

The Herron Half Marathon, along with 10K and 5K trail runs, is an annual event held at Herron Park in Kalispell, Montana, typically in July. Now in its 13th year, the race supports trail development and maintenance within the Foy’s to Blacktail Trails system. Participants can choose from the half ma..

The Bear River Trail Race, held in Evanston, Wyoming, offers three distances: 10K, half marathon, and 17 miles, all starting and finishing at Bear Meadows Park. The course features a scenic mix of the Bear River greenway, Bear River State Park, and Rio Oso Trails, showcasing lush river bottoms, wild..

The Donut Dash 10k in Moscow, ID, is a fun and unique running event held on July 12, 2025. Participants run a 6-mile loop consisting of six one-mile segments, with a twist: runners must consume a donut at the start of each mile. Solo runners and teams of up to six can participate, with donuts provid..

The Siskiyou Out Back Running Festival is an annual trail running event held in Ashland, Oregon, featuring races over four distances: 100K, 50K, 15K, and 8K. The festival celebrates the scenic beauty of the Siskiyou Mountains, Pacific Crest Trail, and Mt. Shasta, offering runners challenging courses..

The Honey Badger 100 is a 100-mile ultramarathon held in Wichita, Kansas, starting at Cheney State Park. The race features a challenging course that begins and ends in the park, with approximately 93 miles run on roads in Kingman County. Participants must adhere to strict cut-off times, including a..

The Dirty Dozen Run is an endurance trail running event held at Point Pinole Regional Shoreline in Richmond, California. Scheduled for July 12, 2025, it features 12-hour, 6-hour, and 3-hour races on a scenic 3.37-mile loop composed mostly of dirt fire trails. The course offers expansive shoreline vi..

Diablito Ultra is an exciting running event taking place at Tickfaw State Park in Springfield, LA, featuring both a 50-mile and a 50K race. Participants will navigate a scenic 5-mile loop along the river, experiencing diverse ecosystems while being mindful of local wildlife. The event offers two aid..

The Follow the Flag 5K Trail Race is a patriotic event held in Pleasant Grove, Utah, to honor America's veterans and fallen heroes. Organized by the Follow the Flag Foundation, all proceeds support initiatives such as flag displays, memorials, and community aid for military families. The race featur..

Pinky’s Rock n Rolla is a unique trail running event taking place in Richmond Hill, NY. This four-mile race offers participants the chance to experience actual trail running through the scenic Forest Park, featuring natural terrain shaped by glaciation. The event is designed for both newcomers and s..

The Carolina Reaper Challenge is an exciting running event taking place at the Shaver Sports Complex in Seneca, South Carolina. Scheduled for July 12, 2025, it features multiple race distances, including a 50k, half marathon, 5-mile run, and a relay option for teams of 2-4 runners. Participants can..

The Goshen Gallop is an annual trail running event held in Goshen, Vermont, featuring 5K and 10K races through scenic gravel roads and cross-country trails in the Green Mountain National Forest. Celebrating its 47th year, the race offers challenging terrain, beautiful views, and a festive atmosphere..