Trail Running calendar near Fountain 2026-2027

A 5K trail race in Evergreen, Colorado on August 22, 2026, routed through lower Elk Meadow Park with course marshals. The event is cup-free, offers water refills at start and finish, and includes vendor tents and on-site food.

Rock Hawk Trail Races offer 50K, 25K, 10K and 5K trail courses at Philip S. Miller Park in Castle Rock, Colorado. The event features cup free aid stations, drop bag service, live split tracking, and proceeds supporting local open spaces.

Join a family friendly trail event in Aurora featuring 5K distances and a kids run. Enjoy dog demonstrations, a pancake breakfast, and a kids fun zone while supporting therapy and patrol K9 units.

Join the community for a 5K run or walk on a brand new dirt course at the North Arvada Middle School Athletic Complex. Support local high school racers before taking on this off road route yourself.

Test your endurance at Staunton State Park with weighted rucking options ranging from 6.5 to 21.5 miles. Choose your load and tackle the Colorado trails to support the Special Forces Foundation.

Experience a scenic trail run through sage brush and ponderosa pines in the Rocky Mountains. Choose between a half marathon or 10k distance with stunning views of the Collegiate Peaks in Buena Vista.

Second annual trail race in Golden, Colorado on September 19, 2026 supporting BeyondHome. Courses include a 10 mile North Table Loop route and a 5 mile route on Lithic and Fairmount Canal trails.

Follow the historic Barr Trail on a 13.3 mile journey from Manitou Springs to the 14,115 foot summit of Pikes Peak. Experience a 7,800 foot vertical climb through Colorado forests and alpine terrain in this high altitude event.

Experience a 26.2 mile mountain run from Manitou Springs to the summit of Pikes Peak and back. This historic event features over 7800 feet of elevation gain and a 10 hour time limit.

Expo Park XC is an old school grass cross-country meet in Aurora, Colorado, featuring creek crossings, a wooden footbridge and bale jumps. Races range from about 1 km for young children to a 5 km open race.

A multi distance trail and ultramarathon festival on the Rainbow Trail near Westcliffe, Colorado on September 26 and 27, 2026, featuring races from 8 miles to 100 miles, aid stations, drop bags, camping, and defined crew and volunteer rules..

Experience desert style single track and forest roads with views of the Collegiate Peaks in Buena Vista. Choose between 50k or 30k distances as part of the multi sport 14er Fest.

An outdoor Tough Mudder event at Fort Carson on September 26, 2026 offering 15K and 5K obstacle courses, spectator access, group packages, finisher medals and apparel, plus parking and volunteer options.

A community-run 24 hour endurance event at Palmer Lake, Colorado, on a 0.82 mile loop at 7,240 feet. Top three overall awards and buckles for 100 mile finishers; five dollars per registration supports the Palmer Lake Parks Committee.

OUTLAST Colorado Springs is a 6 hour trail challenge with a 5K lap every hour for six rounds. Patches and a medal are awarded for laps completed and finishers are ranked on a national leaderboard with cash prizes for top times.

A high alpine 50k near Mount Princeton in Nathrop, Colorado, featuring 7,000 ft of climbing and a 13,100 ft high point. The course follows Chalk Creek Canyon and the Colorado Trail through ponderosa and aspen forests to an alpine plateau.

A fall trail event in Buena Vista, Colorado on September 27, 2026 offering a 14K trail race with over 500 feet of elevation gain and a 5K along the Arkansas River. Both races start and finish at Vendor Village near the Eddyline Beer Garden.

A two day trail festival at Bear Creek Lake Park in Lakewood, CO on October 3-4, 2026 offering races from 5K to 100K on mostly dirt singletrack with aid stations, drop bags at the Start/Finish, and specific crew and pacer rules.

Experience the scenic HRCA Backcountry Wilderness Area with trail races for the whole family. Enjoy rolling hills and open views followed by a pancake breakfast and finisher medals for all participants in Littleton.

A Woodland Park trail event featuring 50k and 10k options on singletrack and forest roads with views of Pikes Peak, stocked aid stations, and crew access for the 50k.