Trail Running calendar near Granby 2026-2027

We have found 77 Trailruns within 80 miles of Granby. See below where and when you can find the races.

Lucky Lyons is a St. Patrick's Day themed run in Lyons, Colorado, featuring 5K and 10K races on mixed terrain. The 10K serves as a Bolder Boulder qualifier. Participants receive finisher dog tags, with awards for top age group finishers.

April 2026

Race the Ranch is a snowshoe event at Snow Mountain Ranch YMCA in Colorado. Participants must carry snowshoes on courses featuring groomed trails and mountain terrain. Registration includes a YMCA day pass and finisher socks.

Run The Ranch offers trail races on the private, scenic grounds of Sylvan Dale Guest Ranch in Colorado. Choose from Friday evening 5k/10k races or Saturday's timed endurance runs and relay events. The event includes meal tickets, a mandator..

Celebrating its 11th year, the Mountain Ridge Trail Race winds through the rolling hills of Highlands Ranch, Colorado. Runners can choose from four distances, all on scenic dirt trails with rewarding front range views. The event is cupless,..

Explore Northern Colorado on the Poudre River Trail. This ultra offers 50 and 100-mile options, both for solo runners and relay teams. The unique 100-mile format combines a race day event with a virtual segment.

The Great Western Trail Race, a BOLDERBoulder qualifier in Severance, Colorado, is not scheduled for 2026 but may return. It has featured 5k, 10k, half marathon, and kids run distances. The event supports local community foundations and non..

May 2026

Niwot's Challenge is a secretive, map-and-compass adventure in Colorado for experienced navigators. It features unsupported loops with significant off-trail travel and elevation gain. Entry is by application only for a limited field of part..

Event Overview The Quad Rock 50 is a 50-mile trail race held in the hills west of Fort Collins, Colorado. The event takes place on a single-loop course through Lory State Park and Horsetooth Mountain Park. The course consists of two 25-mile..

Samson's Revenge is a trail race on the historic grounds of the YMCA of the Rockies in Estes Park. Runners can choose from 10k, 27k, or 55k distances on a challenging loop course. All participants receive a day pass to the YMCA and custom r..

Event Overview The North Fork 50 Ultras is a trail running event held in Buffalo Creek, Colorado, southwest of Denver. The event offers two distances: 50 miles (with approximately 6,425 feet of elevation gain) 50K (31.1 miles, with approxi..

A 20K route around Turquoise Lake in Leadville, CO, running clockwise from Matchless Boat Ramp with paved and single track sections. Adult entry is $40 and under 18 run free. Parking is limited and a day use fee may apply.

The Fish Hatchery 5K Trail Run will take place in Leadville on Sunday 31 May 2026. You can run 5 kilometers.

June 2026

The Summits Trail Runs offer a variety of distances on mountain trails at Granby Ranch Resort in Colorado. Courses feature single-track paths through forests, meadows, and aspen groves. This event focuses on community and the natural beauty..

Run the trails at Devil's Backbone Open Space in this classic 10k+ loop course. The event features old-school stick timing and finishes with an awards ceremony at a local brewery. This race series will conclude after the 2028 edition.

The Barr Lake Trail Race offers a flat, fast course on dirt trails around the scenic lake. With distances from 5K to 50K, runners can enjoy views of the Colorado Front Range. The event is in its seventh year and features a cupless initiativ..

A trail race at Howelsen Hill in Steamboat Springs on June 13, 2026 featuring 8 mile and 4 mile single track loops on Emerald Mountain. Proceeds benefit the Knights of Columbus and awards and a prize raffle follow the race.

Leadville Trail 100 Run Camp The Leadville Trail 100 Run Camp takes place over three days from June 19-21, 2026. It is an introduction to the Leadville Trail 100 Run course. The camp features guided group training runs, both day and night,..

Explore Colorado's peaks in this series of five mountain races. Run four scenic half marathons and a challenging 25K across the state from June to September. Participants can choose to tackle three, four, or all five events.

The Timberview Trail Run returns for its seventh year at Lory State Park. Choose from scenic 5K, 5-mile, or 10-mile trail courses with views of Horsetooth Reservoir. Participants receive a shirt, finisher medal, and post-race refreshments.

Event Information The Leadville Trail Marathon & Heavy Half Marathon takes place in Leadville, Colorado. The event offers two distances: a 26.4-mile trail marathon and a 15.46-mile "Heavy Half." Course Details The marathon cou..