Trail Running calendar near Breckenridge 2026-2027

Indian Creek Trail Runs in Sedalia, Colorado on October 17, 2026 offers multiple trail and ultra distances through montane forests, aspen groves, red rock formations and prairie vistas with city views from several viewpoints.

Trail races at Bear Creek Lake Park offering 5 miles or a two-lap 10 miles on single-track dirt. Registration includes park admission, a finisher meal and refreshments; 10 mile finishers receive a commemorative mug.

Four trail races across Colorado Springs parks with increasing distances, chip timing, and series awards for runners who complete all four events.

Methodist Mountain Ultra The Methodist Mountain Ultra (MMU) is a trail race set on the Methodist Mountain trail system near Salida, Colorado. It takes place at the northern end of the Sangre de Cristo mountains. The event features two dista..

Trail races at Bear Creek Lake Park on Oct 25 2026 featuring 5 km, 15 km, a 5+15 double and a Kids 1 km. Mostly dirt single and double track with steep climbs, marked courses and included postrace items for adult distances.

MonsterDASH Louisville on Oct 25, 2026 offers a new half marathon plus 5k, 10k and a kids mile with costume contests, expo, and themed runner perks.

A Halloween themed 5k and 10k through historic downtown Erie and Coal Creek trails, with a kids Goblin Run and BOLDERBoulder qualifier status. The event supports the Erie Optimist Club as its primary fundraiser.

Four trail races across Colorado Springs parks with increasing distances, chip timing, and series awards for runners who complete all four events.

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.

Trail races at Starsmore Visitor & Nature Center on November 8, 2026, with chip-timed 4-mile and untimed 2.5-mile courses on Columbine Trail; proceeds support Friends of Cheyenne Cañon and leashed pets are allowed on the trail.

Trail races in Louisville, CO offer a half marathon, 10K and 5K on mostly dirt out and back courses with mountain views. The event features aid stations, limited onsite parking and a family friendly post race atmosphere.

Four trail races across Colorado Springs parks with increasing distances, chip timing, and series awards for runners who complete all four events.

A winter trail event in Colorado Springs offering 50k, half marathon, and 10k courses that start at Bear Creek Regional Park. Trails include historic High Drive and Gold Camp Road with stocked aid stations and crew accessible points.

Celebrate the holiday with a scenic run in Buena Vista. Choose between a standard 5K race or a free 1 mile family fun run suited for all participants in Colorado.

The Sawmill Trail Runs will take place in Conifer on Saturday 5 December 2026. You can run 50 kilometers.

The Thumbs Up Vertical Challenge will take place in Estes Park on Saturday 5 December 2026.

A winter trail running weekend at Cheyenne Mountain State Park near Colorado Springs, featuring timed ultra formats and fixed distance races on multi loop courses with central aid at the loop start and finish.

Trail marathon, half marathon, a 2 mile race and a kids 400 meter run take place in Salida CO on March 13 2027, on dirt roads and narrow single track at 7000 to 9000 feet, with limited entries and local charity support.

A multi-distance trail event at Greenland Open Space near Larkspur, Colorado on May 1, 2027, featuring 50K, 25K, 8 Mile and 4 Mile courses on dirt double-track trails with aid stations and looped routes.

A road and trail running event in Garden of the Gods Park on May 1, 2027 offering 5K, 5 mile, and a 9.5 mile option with closed roads, multiple aid stations, and views of the park's iconic rock formations.