Trail Running calendar near Westminster 2024-2025

We have found 44 Trailruns within 80 miles of Westminster. See below where and when you can find the races.

The 24 Hours of Palmer Lake is an endurance running event set in the scenic mountains of Palmer Lake, Colorado, at an elevation of 7,240 feet. Participants will tackle a 0.82-mile loop course for 24 hours, pushing their mental and physical limits in a community-driven atmosphere. The event includes ..

The Bear Chase Trail Race is an exciting endurance festival held at Bear Creek Lake Park in Lakewood, CO, featuring a variety of race distances including 100K, 50 Mile, 50K, Half Marathon, 10K, and 5K. This event is ideal for both first-time ultramarathoners and seasoned trail runners, offering a mi..

October 2025

Rocky's Backyard Ultra is an exciting ultra trail running event held at the YMCA of the Rockies in Estes Park, Colorado. Participants must complete a 4.167-mile loop every hour until only one runner remains, who is declared the winner. The course features stunning Rocky Mountain scenery, with approx..

The Indian Creek Trail Runs, part of the Human Potential Running Series, is a celebrated annual event known as the "Fall Classic." Scheduled for October 18, 2025, it features four race distances: 50-Mile, 55k, 15-Mile, and 5-Mile, all set in the scenic landscapes of Sedalia, Colorado. Participants w..