This document discusses completing a 70.3 mile triathlon, which includes a 1.2 mile swim, 56 mile bike ride, and 13.1 mile run. It talks about overcoming self-doubt and pain through perseverance. It provides an example of someone who lost 60 pounds and gained confidence through starting with a 5k run and eventually competing in triathlons, including an Ironman 70.3 championship. The key message is that one needs to take chances, accept challenges, and push through hurdles to achieve goals.