Register For

Horsetooth Tri Training Open Water Swim Series

Registration

Online Registration is now closed as we prepare for tonight's event.

You can still participate by registering in person at the event!

Registration opens at 4:30 pm at the South Swim Beach pavilion of Horsetooth Reservoir.

Bring your photo ID and USA Triathlon membership card. If you are not a USA Triathlon member you can purchase a 1-day membership onsite for $5.