Trail Running calendar near Centennial 2024-2025

The Bear Chase Race Endurance Festival offers a variety of distances including a 100k, 50 mile, 50k, Half Marathon, and Baby Bear 10k Trail Race at Bear Creek Lake Park in Lakewood, CO. The course provides a mix of challenging terrain and scenic views, with 95% of the race on dirt and single track t..

The Suffer Better Fall Trail Runs will take place in Pine on Saturday 5 October 2024. You can run between 25 and 50 kilometers.

The Castle Rock Trail Festival offers a variety of trail run options, from the liveBIG 5K to the challenging Ultra Marathon 50K, set on the beautiful and captivating Castle Rock ridgeline trail system. Participants can enjoy post-race refreshments, professional chip timing, and free photo downloads...

The Above the Clouds Ultra is an annual trail run held in Woodland Park, CO, offering both 50K and 10K distances. Participants will experience the stunning Colorado fall colors, fast singletrack of Rampart Reservoir, and sweeping views of Pikes Peak. The course includes ascents, descents, and panora..

The Cheyenne Mountain Trail Race offers 50K, 25K, 10K, and 4-mile courses through Cheyenne Mountain State Park in Colorado Springs, CO. The race benefits Achilles Pikes Peak, a nonprofit supporting athletes with disabilities. Runners will enjoy scenic trails with grassy meadows and rocky terrain ben..

The Indian Creek Trail Runs, organized by the Human Potential Running Series, is an annual "Fall Classic" event featuring various distances such as 5-Mile, 15-Mile, 55k, and 50-Mile races. Participants will traverse through the beautiful single-track trails of the Denver Metro area, experiencing the..

The Blue Sky Trail Marathon & Half takes place in Fort Collins, CO, offering a challenging course between Horsetooth Mountain Park and Devil's Backbone Open Space. With over 3,500 feet of elevation gain and loss, the trail appeals to both experienced trail runners and beginners. The course consists ..

The Great Trailhead Foot Race offers a 10-mile and 5k trail run at Bear Creek Lake Park in Lakewood, CO. Participants can enjoy single-track trails with views of Denver's skyline. There is also a 1.1-mile youth race available. Registration fees include park admission, a post-run party, and a finishe..

The Bobcat Trail Race takes place on Saturday, October 19, 2024, at Palmer Park in Colorado Springs, CO. Participants can choose from four distances: 50K, 25K, 10K, or 5K. The trail run offers stunning views of the city and Pikes Peak from the rocky bluffs within the park. This event is a great oppo..

The Beware the Bear Trail Races at Bear Creek Lake Park in Lakewood, CO offer 5km, 15km, 5+15 Double, and Kids 1km races on almost all dirt courses with a mix of short, steep hills, rollers, and challenging terrain. The event is a great introduction to trail racing for beginners and provides enough ..

The 16th Annual Backcountry Wilderness Half Marathon in Highlands Ranch is set to take place on November 2 at 9:00 am. The 13.1-mile trail race will traverse captivating landscapes, including the Douglas County East/West trail and the Backcountry Wilderness Area. Prize money will be awarded to the t..

The Bingo! Trail Party will take place in Byers on Saturday 9 November 2024. You can run between 10 and 54 miles.

The Colorado Cold Rush Ultra offers a 50K, 1/2 Marathon, and 10K race at Bear Creek Regional Park West in Colorado Springs. Participants will run along historic High Drive and through the tunnels of the Colorado gold rush, making it a unique winter running experience. The event is known as the "cool..

The Sawmill Trail Runs at Staunton State Park offer 50k, 16-Mile, and 8-Mile distance options. The event takes place in a beautiful location with diverse terrain, ranging from high grassy meadows to granite cliffs. Participants can expect a challenging trail run with the possibility of snow conditio..

The Thumbs Up Vertical Challenge is an 8-hour ascent trail run taking place on December 7, 2024, in Estes Park, CO. Runners will ascend the Thumb Open Space trail, collecting poker chips at the turnaround point to determine their placing. Unique patches will be awarded at 3 milestones, with a specia..

The Santa's Summit Slam will take place in Estes Park on Saturday 14 December 2024. You can run 5 miles.

The Stories Trail Runs is a unique winter trail running adventure held in Colorado Springs, CO, featuring multiple loops spread out through Cheyenne Mountain State Park. Participants can choose from timed events (30-hr, 15-hr, 6-hr) where they run as many miles as they can within their allotted time..

The Rattler Trail Race takes place in Colorado Springs, CO, offering 50K, 25K, and 10K distances within Palmer Park. Participants will experience scenic views of the city and Pikes Peak from the rocky bluffs along the trail system. The event provides details on packet pickup, race guides, maps, aid ..

The Take 5 in the Garden trail run takes place in the Garden of the Gods in Colorado Springs, CO. Participants can choose between a 5k road race, a 5 Mile road race, or a 5 Mile trail race. The park will be closed to traffic, allowing runners to enjoy the beautiful scenery without interruptions. Mor..

The Greenland Trail Races offer a variety of distances including a 50K, 25K, 8 Mile, and 4 Mile race on May 3, 2025, at Greenland Open Space in Larkspur, CO. Participants will enjoy a scenic course passing through grasslands, ponds, oak hills, and pine forests with views of Pikes Peak. The event pro..