Marion Jones, 49, is a former Olympic track and field athlete, widely regarded as one of the fastest women in history. A five-time Olympic medalist, including three golds at the 2000 Sydney Olympics, Marion dominated the sport before facing a public scandal that she later overcame. Her incredible speed, mental toughness, and resilience make her a standout competitor on SPECIAL FORCES: WORLD’S TOUGHEST TEST Season 3.