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The Beast Long Course Triathlon is back for another year at the Boulder Reservoir! This race has become one of Colorado’s most popular summer races. Tri Boulder also features a Long Course Duathlon and Aquabike, Olympic & Sprint Triathlon and Multisport Relay. That means we’ve got a distance to fuel everyone’s competitive spirit. Mark your calendars because this is a race you don’t want to miss!
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Event Venue & Nearby Stays
Boulder Reservoir, Boulder, United States
Tickets
