Lory Summer Trail Series

Run the Blue Sky Trail Marathon or half marathon in Fort Collins on Oct 18 and 19, 2025, over scenic singletrack between Horsetooth Mountain Park and Devils Backbone. Finish with food, awards and sweeping mountain views.

Colorado 24 Hour Run takes place in Fort Collins, Colorado, at 4927 E. County Road 36. The event offers multiple distance options: 24-hour, 12-hour, and 6-hour races, plus 24-hour, 12-hour, and 6-hour relays.Runners complete laps on a one-m..

Take on the Thumbs Up Vertical Challenge in Estes Park CO on December 6, 2025, a small field test of grit with steep single track laps and sweeping views of Longs Peak and Mount Meeker. With only 30 spots, this intimate winter climb rewards..

Run the Ranch is an annual trail running event held at the scenic Sylvan Dale Guest Ranch in Loveland, Colorado. The race offers a variety of distances including 5K, 10K, and timed trail runs of 4, 6, and 12 hours, with options for solo run..

The Great Western Trail Race, held in Severance, Colorado, offers a variety of running events including a 5K, 10K, half marathon, and a Kids Fun Run. Scheduled for April 18, 2026, this race welcomes participants to enjoy spring racing in a..

The Quad Rock 50 will take place in Fort Collins from Saturday 9 May 2026 to Sunday 10 May 2026. You can run between 25 and 50 miles.