Cameos
- Lance Armstrong: Seven-time Tour de France champion and cancer survivor
- Chris Carmichael: Lance Armstrong's coach and founder of Carmichael Training Systems
- Paula Radcliffe: World record holder and three-time New York City Marathon champion
- Frank Shorter: Marathon legend and 1972 Summer Olympics gold medalist
- Dick Traum: Founder of Achilles Track Club
- Dr. Joseph Moore: Hematology/Oncology, Duke University Medical Center
Read more about this topic: Athlete (film)