Sometimes fitness can just sneak up on you. Sure, you have to put in the work, but when you find a sport you enjoy doing – well, everything can fall into place without you’re really thinking long and hard about it.
Take my friend Alice. While growing up, she tried team sports in school, but never fell completely in love with any particular one. Alice’s mother encouraged her daughter to join her in a Danskin triathlon. Alice trained for the event (including early mornings swims in a...

