From inside Olympic arenas and NFL stadiums, vegan athletes are proving that people don’t need dairy products and meat to compete. Meat-free mavericks include Sports Illustrated’s Olympian of the Century Carl Lewis, top ultramarathon runner Scott Jurek, mixed martial arts fighters Jake Shields and Mac Danzig, WWE superstar Daniel Bryan, NFL running back Ricky Williams, and triathletes and ultra-endurance racers Rich Roll and Brendan Brazier.