What Silva lacks in youth compared to his rivals, he makes up for in experience and results. The 46-year-old athlete won the New York Marathon twice (1994 and 1995) and raced in the 1992 and 1996 Olympics.
Strengths: Few rivals can match Silva's running background and the former Olympian has hardly seemed to slow down from his marathon days.
Weakness: Even filled out with upper-body strength to compete at a Spartan Race, Silva only weighs 119 pounds. That’s a boon going uphill, but a major hindrance when an obstacle requires carrying a heavy object.
Why He’ll Win: "The race will take more than three hours. I have last year’s experience and can race safely."