Johnathan Edwards is an accomplished collegiate runner, cyclist, and motocross racer. Following a brief professional motocross career, he went on to study at the University of California at Davis majoring in Physiology. After completing his medical degree in Norfolk, Virginia, he completed a year of medicine abroad in France, changing his life as he knew it. He became fluent in French and its culture. Today he lives part time in the South of France and is involved with many French organizations such as the Dakar Rally, the Ag2R La Mondial professional cycling team, the Four Days of Dunkerque professional cycling race, and the Ronde Des Sables professional motorcycle race, in Dunkerque, France. Working closely with Dr. Billat, he has mastered the www.BillaTraining.com methods for running. Dr. Edwards and Dr. Billat met because of a simple email written in French. She was intrigued that an American would write in French, and they started corresponding about sports training and nutrition. After a meeting in Paris, he enrolled in her Ph.D. program at the University of Paris. Later, she asked if he would collaborate in writing a book about running in English, and the result is The Science of the Marathon and the Art of Variable Pace Running.