By Ryan Wood
They made their names in baseball, football and hockey, but these sports stars turned to Ironman triathlons to keep their competitive juices flowing.
Triathlons in Denver, CO
Find and Register for Denver Triathlon Races
Triathlon is one of the fastest-growing sports out there, and this is the perfect place to sign up for triathlon events in Denver, CO, download a training plan and get tips from top triathlon coaches.