Quotes About Oxygen debt

When I was running as an athlete, I'd be looking at my heart rate, monitoring when it started to peak, when it plateaued. I'd make a note of the oxygen debt in my body and would always be working to a specific time.

The marathon is all about energy management. I had planned to run it like a track race with strategic surges to blow up my competitors by putting them into oxygen debt, so that is the way I prepared.