Upcoming Races & Club Events « All Events This event has passed. Ironman 70.3 Boulder August 5, 2017 « IM Maine 70.3 Training Camp Greenfield Lightlife Triathlon » Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: August 5, 2017 Website: http://www.ironman.com/triathlon/events/americas/ironman-70.3/boulder.aspx#axzz3yxwyD7Rv Organizer Ironman View Organizer Website