Joel Runyon is an athlete and entrepreneur. He is the founder of IMPOSSIBLE – a company dedicated to helping people push their limits and do impossible things. In 2017, he became the youngest person in the world to run 7 ultra marathons on 7 continents. Along the way, he raised $192,000 for Pencils of Promise and built 7 schools. In this conversation, we spoke about running four miles every four hours for 52 hours, how he gave David Goggins his domain name, and much more.