How much can you really change your genetic code? Can heat or elevation training improve your VO2 Max, or is it best to be born with an already stellar system? Geneticist, Dr. Kristen Wells examines and explains to Lexi Miller the roll that genetics play in creating an athlete.

Dr. Jesse is a physical therapist who believes in treating the whole person (not just their injury.) In this episode, he explains how he uses the BioPsychoSocial model to best treat his clients.

What does it take to be one of the best Obstacle Course Racers? Kristopher Mendoza sits down with Andrew Simmons to talk about racing, training, injuries, and keeping perspective. 

Andrew Simmons is joined by Johnathon Levitt, host of For the Long Run Podcast. They discuss the importance of finding your "why" in running and weigh the merits of running for fun versus for compition.

Allison Baca is an elite athlete with Solomon, she balances her intense training regimen with being a new mom and keeping up with her demanding job. She speaks with vulnerability about the challenges of being an athlete and foraging her own way.

Are you being unrealistic with your training? What problems could your shoes be causing? Coach Andrew Simmons examines the five most common mistakes in running, and how you can solve them.

For many, early winter is the calm before the training storm! In this episode, Andrew and Lexi discuss how to make the most out of your off-season, and discuss season 2 of Defining Endurance.

Ben Rosario is back again! Ben is the head of the Hoka NAZ-Elite team, and recent co-author of a book with Matt Fitzgerald. He discusses how the practices used by his team of elite athletes can be adapted by anyone.

Colette Vartanian, of Skratch Labs discusses the most important aspects of fueling and nutrition. She dives into the various ways to hydrate, and why they matter.

In a solo episode, Andrew discusses the importance of regression, and how it fits into the different seasons of our lives.