Dr. Phil Maffetone joins celebrity fitness trainer Vinnie Tortorich to discuss The Big Book of Endurance Training and Racing, the concept of training slow to get faster, the fascinating world of “odd” jobs vs. real jobs, the concept of “retirement” — which Phil says is a bad word. Plus, why humans were built to multi-task, the greatest aerobic athlete of all time — Mark Allen — and the MAF 180 Formula to increase fat-burning for more energy.