Upcoming Races & Club Events « All Events This event has passed. Ironman World Championship October 14, 2017 « Chicago Marathon Ironman Louisville » Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: October 14, 2017 Website: http://www.ironman.com/triathlon/events/americas/ironman/world-championship.aspx#axzz3py9UhT17 Organizer Ironman View Organizer Website