In this episode, Tim talks with the co-founder of Xero Shoes, Steven Sashen, about the physics of sprinting and the glorious birth of Xero Shoes. This is a very fun conversation that you will absolutely love. To check out Xero Shoes, click here: https://xeroshoes.com/go/OSi To check out the book by David Epstein, The Sports Gene, click here: https://amzn.to/3JT9mLf To check out Born to Run by Christopher McDougall, click here: https://amzn.to/42tuDSK