As their store celebrates its 50th anniversary, Jon and Besty Hughes of Track Shack in Orlando discuss how the business is moving on to its next generation of ownership through their son Christopher. The Hughes family shares the practical, personal and legal challenges involved in this transition and offer their lessons and advice for any store that is going through this process or considering it.

One guest. Dozens of stories and insights. Olympian Jenny Simpson dishes on her new role as Chief Running Officer at Fleet Feet and recalls getting her first pair of shoes at Track Shack in Orlando, where she was "raised on running." She also sheds light on her year-long cross-country road trip where she and her husband Jason ran with thousands of runners from Colorado and North Carolina. Jenny also reveals what she got wrong about super shoes and how better gear, fueling and recovery will continue to help runners break records.

Join Mark and Chris and four guests as we do a deep dive on sustainability and the running business in advance of Earth Day. Hear from Wayne Elsey, founder of Sneakers4Good, about how his organization helps shoes find a productive second life; Gain some wisdom and insight from Alicia Chin about her role with Altra, Smartwool and Icebreaker. Caspar Coppetti, one of the founders of On Running, shares how living in Switzerland has shaped his personal and business perspective on sustainability. And Laura Bolgen discusses ASICS' ambitious Nimbus Mirai shoe.