Online registration is now closed for tonight's event.
You can register onsite at the South Swim Beach of Horsetooth Reservoir starting at 4:15pm.
Registration for upcoming events will re-open Thursday July 17th at 8:00 am.
If you continue to use this site, you consent to use all cookies. We use cookies to offer you a better browsing experience. Read how we use cookies and how you can control them by visiting our Privacy Policy.
If you continue to use this site, you consent to use all cookies.
We use cookies to offer you a better browsing experience. Read how we use cookies and how you can control them by visiting our Privacy Policy.
