Horsetooth Half Marathon

APR
19
2026
Enjoy a scenic point to point half marathon in Fort Collins with lakeside views along Horsetooth Reservoir and rolling downhill stretches on the Poudre River trail. Finish with a lively party at New Belgium Brewing.
Sun 19 Apr 2026
Half Marathon

Always double-check with the organizer's website! This page may contain affiliate links.

Event overview

The Horsetooth Half Marathon is a point-to-point race in Fort Collins, Colorado. The 2026 edition is scheduled for April 19, 2026 and is listed as the 53rd running. The event is presented by Fort Collins Connexion and lists a prize purse of $12,000. Registration opens June 26, 2025. The race includes a finish line party at New Belgium Brewing.

Course and organization

The course starts near the former Hughes Stadium, the former home of the CSU Rams, and finishes at New Belgium Brewery. Runners follow Centennial Drive along the shorelines of Horsetooth Reservoir, then continue on the downhill Poudre River recreation trail to the finish. The course is described as having challenging hills and a net loss in elevation. The Horsetooth Half Marathon is owned by the Fort Collins Running Club and managed by Gnar Runners. Visit the organization's website for the most recent information.