Running to Extremes

Running every day for 45 years (Mark Covert)Winning the Badwater Ultramarathon twice (Pam Reed)Running 50 marathons in 50 states in 50 days (Dean Karnazes)Setting four world records for most marathons in a calendar year (Larry Macon)Finishing the Badwater Ultramarathon with a prosthetic leg (Amy Winters-Palmiero)These are just some of the incredible and inspiring achievements of the endurance athl...