Andrew M Jones PhD DSc is Professor of Applied Physiology at the University of Exeter, UK. He is one of the world’s leading experts in the physiology of endurance sports, having studied the determinants of, and limitations to, endurance exercise performance for more than 30 years. Andy has published >350 peer-reviewed scientific articles. He has a keen interest in the translation of sports science research to aid elite sports performance, having served as Lead Physiologist to UK Athletics for many years, as Special Advisor to the English Institute of Sport, and as a consultant to Nike Inc., including as part of their ‘Breaking 2’ marathon project.