Trail Running calendar near Cimarron Hills 2026-2027

Aiden's Adventure 5k is a community run/walk honoring a young child's memory. The event features a flat dirt trail 5k, a kids' dash, and family-friendly activities like carnival games and a butterfly release. All proceeds support local char..

An ultramarathon near Beulah, Colorado, offering 50 and 100 mile options across wet eastern forests and dry western slopes. The course includes about 22,500 ft of elevation gain and a 36 hour cutoff.

Looped trail races around Barr Lake in Brighton, Colorado, with five distances on 100 percent dirt and lake and Front Range views. Courses have low elevation gain per loop, designated aid stations on longer routes, and drop bag areas.

Races through Garden of the Gods Park include a 10 mile road, 10K road and 10K trail, all finishing at Rock Ledge Ranch. The routes pass towering sandstone formations, include aid stations, and end with on-site post-race food and music.

Trail races based at Rock Ledge Ranch in Garden of the Gods offering 100K, 50K, and 35K courses through North Cheyenne Cañon and Bear Creek Regional Park with substantial elevation and technical sections.

Test your strength at this exclusive obstacle course event in Peyton featuring a three lap 3K race and a one mile kids run. Navigate rigs, rope climbs, and heavy carries in a small field of only fifty athletes.

An overnight endurance event in Highlands Ranch, Colorado offering solo and team relay options on a 10.3 miles dirt loop beneath a full moon. Two aid stations, drop bags, medical support and a headlamp requirement are provided.

Celebrate Independence Day with a festive 5k along Pueblo's Arkansas River Trail. This family-friendly event features costume prizes, finisher medals, and post-race activities. Proceeds support the local running community and charitable cau..

Experience high altitude trail running through historic Colorado ghost towns and mines at over 10000 feet. Choose from distances ranging from 10 miles to 100 miles in the scenic South Park Valley.

Experience a historic 12.6 mile mountain race on Pikes Peak. Runners ascend from Manitou Springs to Barr Camp at 10200 feet before descending the iconic Barr Trail in this classic Colorado summer event.

A three-day trail running stage race in Leadville, Colorado, crossing the continental divide between Hope Pass and Red Cliff. Two distance options with full camp support and a 500-runner capacity.

Experience the mountain trails of Colorado Springs at the Pikes Peak Ultra. Choose from four race distances that take you through high elevation terrain including Cheyenne Canon and the summit of Mt. Rosa.

Experience a historic Colorado tradition where runners and burros compete together. Navigate mountain trails and high altitude passes while carrying traditional mining gear in this unique world championship event.

Experience high elevation trail running in the mountains of Fairplay Colorado. This event offers three distances ranging from a half marathon on forest roads to technical ultramarathons through remote wilderness terrain.

Experience a Colorado tradition at the Buena Vista Pack Burro Race. Choose between 13.1 or 7.3 mile courses and compete either with a burro team or as a solo runner in this historic mountain event.

Experience the first ever trail race through the iconic red rocks of Roxborough State Park. Tackle 50 miles or 50k of technical singletrack and high country terrain before enjoying a finish line celebration with food trucks and local brew.

Experience the trails of Cheyenne Mountain State Park with three race distances ranging from a 5K walk to a 25K mountain challenge. This chip timed fundraiser supports park conservation through scenic and high elevation courses.

Trail races around Standley Lake in Westminster, Colorado, in August 2026 offering 50K, 35K, half, 10K and 5K on 100% dirt trails with out-and-back course formats, parking at Wayne Carle Middle School, and support stations along the routes.

Summit Grays and Torreys Peaks in this 8.8 mile Colorado endurance event. Participants must carry a 20lb dry load while tackling 4,101 feet of elevation gain.

Experience high altitude trail running through the scenic singletrack and historic landmarks of Staunton State Park. Choose between a full or half marathon featuring sweeping mountain views and a festive post-race meal.