Matt Fitzgerald is an acclaimed author of many bestselling books on the subject of sports, including Racing Weight, 80/20 Running, and How Bad Do You Want It? An experienced coach, he cofounded 80/20 Endurance, the world’s most popular online provider of training resources for endurance athletes. He also created and directs Dream Run Camp, a Flagstaff, Arizona–based retreat that enables runners of all abilities to experience the elite-athlete lifestyle. In 2021, he founded the Coaches of Color Initiative, which aims to improve diversity in endurance sports through a comprehensive coaching apprenticeship program.