Trail Running calendar near Jackson County 2026-2027

The Estes Epic will take place in Estes Park from Saturday 26 September 2026 to Sunday 27 September 2026. You can run between 21 and 50 kilometers.

Emerald Mountain Trail Run in Steamboat Springs on October 3, 2026 features a 12k and a 4 mile course on aspen-lined singletrack. The event concludes the SSRS pointed season and raises funds for the Boys & Girls Club.

Two trail races near Fort Collins on October 17-18, 2026, using redstone singletrack across Horsetooth Mountain Park and Devil's Backbone Open Space. The marathon and half include substantial elevation change, fully stocked aid stations and..

Trail races in Louisville, Colorado on November 14, 2026 offering Half Marathon, 10K and 5K on dirt trails with front range views, aid stations, a cupless initiative, and limited onsite parking.