Sarah Thomas an American ultra-marathon swimmer. Amidst a cancer diagnosis she is the first person to complete four consecutive crossings of the English Channel and the first person to swim a current-neutral swim over 100 miles. She holds the world record for longest, second-, and third-longest...

Elizabeth Clor is an endurance athlete, McMillan certified coach and contributor to the popular running blog Racing Stripes. She runs competitively at all distances from the 5K to the marathon. She made the transition from recreational runner to high performance runner and documents her...

Andrew M Jones PhD DSc is Professor of Applied Physiology in the Department of Sport and Health Sciences at the University of Exeter. He’s internationally recognized for his research in the control of, and limitations to, skeletal muscle oxidative metabolism; causes of exercise intolerance in...