Joe Puleo has been coaching distance running and track and field for 28 years. He has been the head coach for men's and women's cross country and track and field at Rutgers University at Camden, where he produced 10 Division III All-Americans, including two individual national champions. Simultaneously, he spent a decade coaching the USMC's All-Marine running program, where he coached three CISM World Championship teams for the United States Armed Forces (marathon and cross country).

Mr. Puleo is the coauthor of the articles "Anteriorly Rotated Pelvis: The Negative Effects for a Distance Runner" and "Anatomy of Running Footwear," which appeared in Techniques magazine. He is a frequent contributor to articles that have appeared in Runner's World and other fitness publications. His first album of songs, A Life I Knew, written for the band Bannister Effect, is scheduled for release in the fall of 2018. His debut novel will be published in spring 2019.

Mr. Puleo lives in Spring City, Pennsylvania, with his family, which includes six kids and two German shepherds.

Patrick Milroy has been the chief medical officer for the Road Runners Club in Great Britain since 1998. From 1991 to 2007, he was a medical advisor and contributor to Runner's World, and for 10 years before he was similarly involved with its precursors, Jogging magazine and Running magazine.

Dr. Milroy received the award of fellow from the Institute of Sports Medicine in 1999 and from the UK Faculty of Sport and Exercise Medicine in 2006. He has served as a medical officer for many athletic events-including the World Half Marathon Championships, Team England Commonwealth Games (four times), and British Athletics Federation-and was medical officer for the Great Britain team at the World Junior Championships (three times) and European Junior Championships (two times).

Dr. Milroy is the author of Sports Injuries, coauthor of the AAA Runner's Guide, and author of numerous other articles on sport and exercise topics for journals, magazines, and newspapers. He is also an accomplished runner: winner of the World Medical Games 5,000 meters event and half marathon in 1980, 1982, and 1984 and winner of the European Medical Games 20K, 5K, and 1,500 meters events in 1983. His personal best in the marathon is 2 hours and 26 minutes. At the age of 65, he cycled from Los Angeles to Boston (3,300 miles) in 35 days.

He lives in Chester, United Kingdom, with his wife, Clare, near to his four children and five grandchildren.