Trail Running calendar near Castle Rock 2026-2027

Experience a 26.2 mile mountain run from Manitou Springs to the summit of Pikes Peak and back. This historic event features over 7800 feet of elevation gain and a 10 hour time limit.

Experience desert style single track and forest roads with views of the Collegiate Peaks in Buena Vista. Choose between 50k or 30k distances as part of the multi sport 14er Fest.

Experience an obstacle course event in Fort Carson featuring 5 km and 15 km distances. Conquer signature muddy challenges and earn iconic finisher gear while enjoying views of the Rocky Mountains.

Experience a rugged trail adventure through the Colorado wilderness in Estes Park. Choose between a 50k run or bike and a heavy half marathon while supporting the local high school mountain bike team.

Experience the autumn colors of Colorado during this scenic 5K trail run. Participants race through Breckenridge's mountain trails before finishing at a historic downtown festival featuring traditional music and food.

Experience a high alpine 50k through the Colorado Trail and Sawatch Range. This mountain course features a significant climb to 13,150 feet with panoramic views of the Arkansas River Valley and Mount Princeton.

Test your endurance at this mountain trail event featuring 25 km and 50 km distances. Join a community dedicated to environmental conservation and public land protection on the beautiful trails of Colorado.

Experience the scenic trails of Bear Creek Lake Park at this multi day endurance festival in Lakewood. With distances ranging from a 5K to a 100K ultra marathon, the event features fast non technical dirt paths and panoramic views.

Experience the scenic HRCA Backcountry Wilderness Area with trail races for the whole family. Enjoy rolling hills and open views followed by a pancake breakfast and finisher medals for all participants in Littleton.

Experience an epic run across the iconic Royal Gorge Bridge in Canon City. Choose between scenic trail half marathons or family friendly road races while supporting a meaningful cause in one of Colorado’s most stunning landscapes.

Explore the scenic Philip S. Miller Park ridgeline trails with distances ranging from a 5K to a 50K ultramarathon. This festival features professional timing, finisher medals, and a family friendly obstacle course.

Experience pure cross country running through four scenic parks in Colorado Springs. This historic trail series features four races of increasing distances across varied terrain for runners aged 15 and older.

Experience the beauty of the Colorado Front Range at the Indian Creek Trail Runs. Choose from four distances on scenic single track trails through pine forests and golden aspen groves near Sedalia.

Experience the urban wilderness of Colorado Springs with trail races ranging from 5K to 50K. Navigate the rocky bluffs and forests of Palmer Park while enjoying views of Pikes Peak.

Experience single track trail running at Bear Creek Lake Park with views of the Denver skyline. Choose between 5 and 10 mile distances followed by a post race party including a finisher meal and park entry.

Experience pure cross country running through four scenic parks in Colorado Springs. This historic trail series features four races of increasing distances across varied terrain for runners aged 15 and older.

Trail races at Bear Creek Lake Park offering 5 km, 15 km, a 5 km plus 15 km double, and a Kids 1 km. Main race registration includes socks or a neck gaiter and a pancake breakfast while kids receive a stuffy at the finish.

Trail event in Canon City, Colorado offering 35 mile, 50K, 35K and 10K options on singletrack with about 4,500 feet of elevation gain and views of Pikes Peak and the Royal Gorge.

Experience pure cross country running through four scenic parks in Colorado Springs. This historic trail series features four races of increasing distances across varied terrain for runners aged 15 and older.

Experience 13.1 miles of singletrack trails and hills in the Highlands Ranch Backcountry Wilderness Area. Enjoy custom medals and a post race pancake breakfast while competing for cash prizes in various categories.