Trail Running calendar near Jackson County 2025-2026
We have found 26 Trailruns within 80 miles of Jackson County. See below where and when you can find the races.
We have found 26 Trailruns within 80 miles of Jackson County. See below where and when you can find the races.
Run against the clock on a fully supported one mile dirt loop in Fort Collins, Colorado, choosing 6, 12, or 24 hour solo or relay formats. Enjoy an overnight challenge chasing distances from a marathon to an ultra in a friendly setting.
Challenge yourself in the Thumbs Up Vertical in Estes Park, an 8 hour timed ascent limited to 30 runners. Each 540 ft steep scenic single track lap earns a poker chip, with milestone patches and a prize for the overall winner.
Run the Crazy Legs 10k+ at Devils Backbone Open Space in Loveland, Colorado on June 7, 2026. Scenic loop trails, on course aid, and a lively postrace awards celebration at Loveland Aleworks make this a not to miss local trail event.
The Summit 200 is a 200 mile loop around Summit County Colorado across high alpine trails and peaks above 12,000 feet. Limited to 100 runners with a 110 hour cutoff, it requires a prior 100 mile finish and fierce self sufficiency.
Join the Wild West Relay, a scenic point to point 200 miles across Colorado from Fort Collins to Steamboat Springs. Run solo or with teams from 1 up to 12 people as you tackle mountain passes, open roads and big western views.