Lake Tahoe skier Hazel Birnbaum has traveled the globe on the freeskiing circuit for most of a decade, but this winter she decided to officially retire from the sport. What does that look like for a 33-year-old? Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices">megaphone.fm/adchoices</a>

A window into the movers and shakers of the natural places where we love to play. Hosted by San Francisco Chronicle Travel Editor Greg Thomas, the show features in-depth interviews with world-class professional athletes pushing the bounds of human achievement, as well as the influencers and advocates shaping our ideas about the outdoors.