Beginner Video Series

Coach Mike holding a clip board
No items found.

Extra Mile Newsletter

The D3 coaches' best training intel and hottest tips are delivered monthly to your inbox!

    World Headquarters

    Based in the triathlon mecca!
    icon for phone
    (303) 545-6868
    icon for location
    Boulder, CO, 80304
    icon for mail
    info@d3multisport.com
    © 2000 - 2023 D3 Multisport | Photography © Adam Hodges | Terms & Privacy Policy | Anti Doping | FAQs | Media