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    IRONMAN

    IRONMAN 70.3 Boulder

    August 3, 2019

    IRONMAN 70.3 Boulder is more than just a "half" IRONMAN. It's a cherished experience at the foot of the Rockies in one of America's hubs for elite athletes.

    Nestled at the foot of the imposing Flatirons, Boulder, Colorado, is already a wildly popular home-base and vacation destination for world-class triathletes. The city's health-conscious culture, near-perfect weather and breathtaking natural environment make it a favorite on the IRONMAN circuit. 

    The 70.3 offers athletes the chance to focus on their performance and prep for future full IRONMAN opportunities. The 2019 IRONMAN 70.3 Boulder will offer 30 qualifying slots to the 2020 IRONMAN 70.3 World Championship in, Taupõ, New Zealand.

    2019 Hotel Reservations

    Stay in Boulder and maximize your pre- and post-race time, and arrive to the start line fresher. View the IRONMAN 70.3 Boulder hotel options here.

    Book Your Hotel

    IRONMAN 70.3 Boulder 2019 Event Information

    The race will start at the Boulder Reservoir with a single-loop swim. Once finished in the water, the first transition will start the athletes on a beautiful multi-loop course all contained in Boulder County. The two-loop run course is very fast and only has 340 feet of gain. The 13.1-mile route will take you along the Boulder Reservoir, up 51st Street to Monarch, back down 63rd Street and along the Dam Road. Most of the course is on dirt roads.

    View the IRONMAN website for course maps

    Photo courtesy of IRONMAN.