Trail Running calendar near Divide 2025-2026

The Sangre de Cristo Trail Festival, held near Westcliffe, Colorado, offers a rugged and scenic ultramarathon experience on the Rainbow Trail in the Sangre de Cristo Mountains. Participants can choose from distances including 8-Mile, 27k, 50k, 50-Mile, 100k, and 100-Mile, all running along the wilde..

The 24 Hours of Palmer Lake is an endurance running event held in Palmer Lake, Colorado, featuring a 24-hour race on a scenic 0.82-mile loop course atop the Palmer Divide at 7,240 feet elevation. Surrounded by mountains, the race offers a community-driven atmosphere focused on pushing mental and phy..

The Sawatch Ascent 50k is a challenging high-alpine trail race held in Nathrop, Colorado, showcasing the stunning Sawatch Range. Covering 33 miles with 7,000 feet of vertical gain, the course features a mix of 26 miles of singletrack, paved, and gravel roads, including 12 miles on the Colorado Trail..

The 14er Fest 14K is a unique trail race held in Buena Vista, Colorado, in the heart of the Rocky Mountains. Covering 8.7 miles with over 500 feet of elevation gain, the course offers stunning views of the Collegiate Peaks, Arkansas River, and Buena Vista town. Runners start in the vendor village, t..

The Rim to Rim Royal Gorge Races, held in Canon City, Colorado, offer a scenic and challenging running experience featuring three main events: a 5K road run, an 8-mile trail run, and a half marathon trail run. Each race includes the unique opportunity to cross the iconic Royal Gorge Bridge, the high..

The Above the Clouds Ultra is an annual trail running event held in Woodland Park, Colorado, known as the "City Above the Clouds." It features two race distances: a 50K ultra and a 10K. The course showcases stunning Colorado fall colors and offers fast, flowing singletrack trails around Rampart Rese..

The Castle Rock Trail Festival, held in Castle Rock, Colorado, offers a variety of trail running events on the scenic ridgeline trails of Philip S. Miller Park and Ridgeline Open Space. Distances include a 5K, 10K, half marathon, and an ultra-distance 50K, catering to runners of all levels.Families..

The Bear Chase is an endurance trail race festival held at Bear Creek Lake Park in Lakewood, Colorado. It offers multiple distances including 100K, 50 Mile, 50K, Half Marathon, 10K, and 5K, catering to both first-time ultramarathoners and experienced trail runners. The course features mostly dirt an..

The Suffer Better Fall Trail Run is an annual mountain endurance event held at Staunton State Park, Colorado. The 9th edition, scheduled for October 11, 2025, features challenging courses including 50K and 25K distances, a unique 25K Fishslappers division involving fish catching, and a new 5K race...

The Bobcat Trail Race, held at Palmer Park in Colorado Springs, CO, offers a scenic urban trail running experience with distances of 50K, 25K, 10K, and 5K. Set against the backdrop of city views and the iconic Pikes Peak, the courses feature diverse terrain including technical single-tracks, rocky b..

The Great Trailhead Foot Race 10 Miler takes place at Bear Creek Lake Park in Lakewood, Colorado, offering runners a scenic trail experience with single-track dirt paths against the backdrop of Denver’s skyline. Participants can choose between a 5-mile or a challenging 10-mile double-lap course. Reg..

The Indian Creek Trail Runs, part of the Human Potential Running Series, is an annual fall trail running event held at Indian Creek Campground in Sedalia, Colorado. Celebrating its 12th year, it offers multiple race distances: 5-Mile, 15-Mile, 55k, and 50-Mile, with time limits of 12 to 14 hours dep..

Beware The Bear Trail Races take place at Bear Creek Lake Park in Lakewood, Colorado, offering 5km, 15km, and a combined 5+15km double race, along with a 1km kids' run. The courses feature mostly dirt trails with a mix of single and double tracks, incorporating short steep hills, rollers, and varied..

The Bridge Burner Ultra is a scenic trail running event held in Canon City, Colorado, featuring distances of 35 miles, 50k, 35k, and 10k. The race follows a single-loop course along the Arkansas River, passing through historic granite tunnels on Tunnel Drive. Runners ascend to 7,109 feet, enjoying p..

The Colleen De Reuck XC Classic is a cross country running event held annually at Harlow Platts Community Park in Boulder, Colorado. Honoring renowned distance runner Colleen De Reuck, the race promotes health, fitness, and celebrates local Olympians, with 2025 honoring 2012 Olympic marathoner Yoshi..

The Bingo! Trail Party is an annual trail running event held at May Farms in Byers, Colorado. Designed as a fun, community-focused "Trail Party," it offers five levels of challenge ranging from 6 to 62 miles. Runners complete loops on a mostly flat course featuring single and double track trails and..

The HRCA Backcountry Wilderness Half Marathon will take place in Highlands Ranch on Saturday 8 November 2025. You can run 13 miles.

The Canya Canon Trail Race will take place in Colorado Springs on Sunday 9 November 2025. You can run 4 miles.

The Louisville Trail Race, held annually in Louisville, Colorado, features a Half Marathon, 10K, and 5K, attracting runners to the scenic front range trails. The courses primarily consist of dirt trails with some bike paths, offering mostly flat terrain with challenging hills that provide stunning v..

The Colorado Cold Rush Ultra is a winter trail running event held in Colorado Springs, featuring 50K, half marathon, and 10K distances. The race courses showcase diverse terrains and stunning views, including historic High Drive and the tunnels from the Colorado gold rush era. The 50K starts at Bear..