How much is too much?

What keeps us from pushing for even more?

And why does that one guy who runs a ton bother me so?!

These are the questions that I aim to explore in this piece. The thoughts had been circling in my brain for years before I finally sat down and wrote them out for UltraSignup News

Article available here: 

https://news.ultrasignup.com/the-definition-of-endurance-insanity/