Trail Running calendar near Columbine Valley 2026-2027

The Sourdough Snowshoe Race in Nederland, CO is a donation based backcountry event offering 18K and 30K routes where snowshoes are required. Enjoy rugged alpine scenery with a warming tent and hot drinks at the finish.

An 8K T&H race on February 1, 2026 at Edora Park in Fort Collins for Fort Collins Running Club members only; a bib is required and volunteers are welcome.

Join the Super Sunday 5K on February 8, 2026 in Littleton for a scenic run along the Mary Carter Greenway. Celebrate at a post race party at Breckenridge Brewery Farmhouse with 20% off food and drinks and community fun.

A two-person partner race on Virginia Canyon road in Idaho Springs, CO, held on Valentine’s Day. Runners each complete a roughly 12-mile out-and-back; team time is the sum of both individual times and multiple awards are offered.

A two-day winter trail event at Cheyenne Mountain State Park featuring timed multi-loop ultras, fixed-distance trail races, a single main aid/staging area, and a combined 225-runner capacity.

Race The Ranch is a snowshoe race at Snow Mountain Ranch near Granby, Colorado on April 4, 2026, offering 5k, 25k and 50k looped courses over scenic groomed and singletrack snow trails. Finishers receive a custom beanie and engraved Miir ca..

Trail races on private ranch trails at Sylvan Dale Guest Ranch in Loveland, Colorado over two days in April 2026. Events range from 5K and 10K to 4, 6 and 12 hour timed races plus relay and virtual options.

Mountain Ridge Trail Race in Highlands Ranch, CO features 21 mile, half marathon, 10 km and 5 km courses on mostly dirt single track with rolling hills and front range views. The event uses cupless aid stations and finishes at Mountain Ridg..

Take on the scenic Poudre River Trail April 11 and 12 2026 in Northern Colorado with 50 and 100 mile solo and relay options. Stocked aid stations, finisher swag, belt buckles for solos and a lively post race party await.

The Rattler Trail Race will take place in East Colorado Springs on Saturday 18 April 2026. You can run between 5 and 50 kilometers.

On May 2, 2026 Greenland Trail Races in Larkspur, Colorado offer 4 Mile, 8 Mile, 25K and 50K trail options on dirt trails with aid stations, chip timing, a virtual option, and awards by overall and age group.

Niwot's Challenge is a by invitation only endurance event near Sedalia, Colorado that prizes off trail navigation and self reliance over racing. Limited to 40 entrants, it offers routes up to 100 miles for experienced wilderness runners.

Take 5 in the Garden is a road and trail running event in Garden of the Gods, Colorado Springs, offering multiple distances including a 9.5 mile option. The course runs traffic-free past iconic red rock formations with Pikes Peak in view.

Take on the Collegiate Peaks Trail Run in Buena Vista Colorado with 25 or 50 mile options through stunning high country. Mark the 36th anniversary with a memorable mountain trail challenge.

Valkyrie Trail Race in Cheyenne Mountain State Park near Colorado Springs offers women's trail races from 4 miles to 50K on limestone meadows, singletrack and rocky pine trails. The event is scheduled for Saturday May 9 2026.

Trail races on scenic, well marked singletrack around Fort Collins. Choose a 25 mile loop with about 5,500 feet of gain or run a second loop for 50 miles and roughly 11,000 feet of ascent, with staffed aid stations and enforced cut-offs.

Ram Party Trail Runs in Colorado Springs offers five trail distances from 15K to 55 miles around Rampart Reservoir with point to point and out and back course options, aid stations, drop bags, limited parking and shuttle service for the 60K..

Trail trail race at the YMCA of the Rockies in Estes Park offering 10k, 27k and 55k looped routes. The course is mostly single track with a steep ascent at Bible Point and includes a day pass, a custom hat and wool finisher socks.

Celebrate Memorial Day weekend with the Spirit Trail Race in Buena Vista, Colorado, a scenic trail event with marathon, half marathon and 9k options. Start in town square, enjoy Paddlefest fun, and support local nonprofits.

Two trail ultras in Buffalo Creek Colorado on May 30, 2026 covering singletrack through pine forest and burn areas. The event offers 50 Mile and 50K options, staffed aid stations, course markings, and a post race festival with awards.