Everyone in the room had participated in Sprint and Olympic triathlons , and Murphy and Busch had previously completed Ironman Triathlons .
There are three types of triathlons : Sprint , Olympic and Ironman .
Everyone in the room had participated in Sprint and Olympic triathlons , and Murphy and Busch had previously completed Ironman   .
There are three types of triathlons : Sprint , Olympic and Ironman .