
Horsetooth Tri Training Open Water Swim Series
South Swim Beach - Horsetooth Reservoir
Wed, Jun 3, 2026 at 17:00:00
About this event
Horsetooth Tri Training Open Water Swim Series & ClinicsWhether you’re training for a triathlon, racing SUP, or just want to gain confidence in open water, this 8-week series offers hands-on practice and coaching in one of Colorado’s most iconic reservoirs. Each week includes these options to choose from:– Open Water Swim Clinics – SUP Clinics designed for stand-up paddle triathletes and recreational paddlers– Open Water Swim Series to build confidence, endurance, and race readiness– SUP races/challenges The Open Water Swim Series is a non-competitive and non-timed event designed as a weekly training series to give people safe access and practice to open water swimming. There will be a low-key group start to simulate real race conditions, with swim distances of your choice. This series is ideal for all experience levels, whether you're aiming to complete your first tri or refine your open water game.








