Trail Running calendar near Roxborough Park 2025-2026

The American Heroes Run is a commemorative running event held in Longmont, Colorado, designed to honor the heroes of 9/11 and celebrate patriotism. Participants can choose from various race distances, including a 100-mile run, marathon, half-marathon, 9.11-mile run, and a 5K, among others. The event..

Devil on the Divide is a challenging trail running event held in Empire, Colorado, featuring two race distances: a 50K and a 22K. Participants will experience breathtaking views of Clear Creek County and the Continental Divide, with the 50K course reaching altitudes over 13,000 feet and involving ov..

The Cirque Series at Arapahoe Basin is a thrilling mountain running event scheduled for September 6, 2025. Participants will tackle a challenging 9.4-mile course with an elevation gain of 2,411 feet, starting from the base at 10,780 feet. The route features stunning views and a mix of established tr..

The HRCA Wildcat Mountain Trail Races, scheduled for September 6, 2025, in Littleton, Colorado, features a variety of events including a 10-mile race, a 10K, and a Kid's Race. The races start at the Douglas County East/West trailhead and traverse the scenic HRCA Backcountry Wilderness Area. Particip..

The Nedned Trail Fest is a celebrated running event held in Nederland, Colorado, featuring a variety of race options including a Half Marathon, 10K, and 5K. This family-friendly festival encourages participants to enjoy the scenic beauty of the area while challenging themselves on dirt roads and sin..

The Snow Mountain Ranch Trail Running Festival, taking place in Granby, Colorado, offers a stunning backdrop for runners of all levels. Participants can choose from various race distances, including a 50K, 33K, Half Marathon, 10K, and 5K, all set against the picturesque scenery of rolling hills and..

The MeadowGold 11K & 5K is a scenic running event organized by the Vail Recreation District, taking place in the picturesque Meadow Mountain area. This race offers participants the choice between two distances, catering to both competitive runners and casual participants. The event is designed to pr..

The Pony Express Trail Run is a scenic trail running event held at Rampart Reservoir, featuring two distance options: 8.5 miles and 16 miles. Set at an elevation of over 9,000 feet, participants can enjoy beautiful single-track trails, creeks, and local wildlife amidst Colorado's autumn scenery. The..

The Pikes Peak Marathon, established in 1956, is the oldest continuously held marathon in the United States, featuring a challenging course that ascends from Manitou Springs, Colorado, to the summit of Pikes Peak at 14,115 feet and back, totaling 26.2 miles. This iconic race, along with its counterp..

The 24 Hours Of Palmer Lake will take place in Palmer Lake from Saturday 27 September 2025 to Sunday 28 September 2025.

The Bear Chase Race is an exciting endurance festival held at Bear Creek Lake Park in Lakewood, Colorado. Scheduled for September 27-28, 2025, the event features a variety of race distances including a 100K, 50 Mile, 50K, Half Marathon, 10K, and 5K. This race is ideal for both novice and experienced..

The West Line Winder is a scenic trail running event held in Buena Vista, Colorado, featuring 30K and 50K races. Set against the stunning backdrop of the Collegiate Peaks, participants can enjoy a mix of singletrack and forest roads, with significant elevation gain. This event caters to all levels o..

The Sawatch Ascent is a challenging 50k trail race set in the stunning Colorado mountains, taking place on September 28, 2025. Starting and finishing at the base of Mount Princeton, participants will experience a significant elevation gain of 7,000 feet, reaching a high point of 13,150 feet. The cou..

Rocky's Backyard Ultra is an exciting ultra trail running event held in Estes Park, Colorado, at the YMCA of the Rockies. This unique race format requires participants to complete a 4.167-mile loop every hour until only one runner remains. The course features stunning Rocky Mountain scenery, with ap..

The Castle Rock Trail Festival is an exciting athletic event that caters to a wide range of participants, from ultra-distance runners to families with children aged 5 to 12. Set against the stunning backdrop of Philip S. Miller Park and Ridgeline Open Space, the festival features various race option..

The Rim to Rim Royal Gorge Races feature a variety of running events, including a 5K road run, an 8-mile trail run, and a half marathon trail run, all set against the stunning backdrop of the Royal Gorge Bridge in Canon City, Colorado. Participants can enjoy challenging courses with breathtaking vie..

The Pikes Peak Road Runners Fall Series is a popular cross-country running event featuring four trail races held in various parks around Colorado Springs. Each race presents unique challenges with distances increasing from 3.8 miles to 7.4 miles throughout the series. Participants must be at least 1..

The Great Trailhead Foot Race features both a 10-mile and a 5-mile race, set against the scenic backdrop of Bear Creek Lake Park in Lakewood, Colorado. Participants can enjoy a mix of single-track and dirt trails while racing. Registration includes park admission, a post-race party with complimentar..

The Blue Sky Trail Marathon and Half Marathon will take place on October 18-19, 2025, in Fort Collins, Colorado. This event features a marathon distance of 26.7 miles with an elevation gain of 3,500 feet, and a half marathon distance of 13.4 miles with an elevation gain of 1,800 feet. The courses tr..

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 multiple race distances: 50-Mile, 55k, 15-Mile, and 5-Mile, all set in the scenic landscapes of Sedalia, Colorado. Participan..