2023 Horsetooth Tri Training and Open Water Swim Series

Fort Collins, CO
Jun 7 - Aug 23, 2023

Horsetooth Tri Training is a 10 week event series consisting of an open water swim & optional 5k run. It is designed as a weekly practice & training opportunity for anyone considering or planning on participating in a triathlon or anyone who wants to swim open water. Weekly small group swim clinic available before the event.


Participants can register for single events or multi-week packages.

Race Director

Event Location

Horsetooth Reservoir South Swim Beach
Fort Collins, USA
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