Sunday, April 18, 2027 · Half Marathon · Fort Collins, CO
Horsetooth Half Marathon - Presented by Fort Collins Connexion
Welcome to the 54th running of the Horsetooth Half Marathon, Presented by Fort Collins Connexion. It all starts on Sunday, April 18th at 8:00am. Your race will take you on a scenic point-to-point journey from the location of Hughes Stadium, the former home of the CSU Rams, to the finish line party at New Belgium…
Start line: Fort Collins, CO
25 weeks to race day — get a training plan
A week-by-week plan scaled to Sunday, April 18, 2027, built around the Denver–Boulder run clubs on your training days — shareable by URL, no account needed.
Build my plan →Train for it with a crew
Half marathon training is four months of weekends — much easier with a crew. Run clubs in Denver–Boulder →
Frequently asked
- When is the Horsetooth Half Marathon - Presented by Fort Collins Connexion?
- The next Horsetooth Half Marathon - Presented by Fort Collins Connexion is Sunday, April 18, 2027 in Fort Collins, CO.
- Where does the Horsetooth Half Marathon - Presented by Fort Collins Connexion start?
- The Horsetooth Half Marathon - Presented by Fort Collins Connexion starts at Fort Collins, CO in Fort Collins, CO.
- What distances does the Horsetooth Half Marathon - Presented by Fort Collins Connexion offer?
- The Horsetooth Half Marathon - Presented by Fort Collins Connexion offers Half Marathon.
- How do I register for the Horsetooth Half Marathon - Presented by Fort Collins Connexion?
- You can register for the Horsetooth Half Marathon - Presented by Fort Collins Connexion on RunSignup. Use the Register link above; RunVibe does not sell registrations directly.
Listed on RunSignup. Race details are the organiser’s — confirm the date and start time with them before you travel.