“If you're putting in the work, you deserve the title.” RunningSportsWork Book:Shut Up and Run: How to Get Up, Lace Up, and Sweat with Swagger – A Bold Fitness Guide from Peloton's Ultramarathon Coach Robin Arzón Source: Shut Up and Run: How to Get Up, Lace Up, and Sweat with Swagger – A Bold Fitness Guide from Peloton's Ultramarathon Coach Robin Arzón