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.
Active Pet Guide
Find Pet-Friendly Activities to Do Near You
It's easy to stay active with your favorite furry friend. From pet-friendly activities and training tips, to fuel and hydration, emBARK on new adventures with this guide to keep Fido happy and healthy.