Kyle Rucker lost more than 100 pounds by changing his diet and racing . He will compete in his first Ironman competition on August 26 . He used DailyMile.com and the Twitter app to track his workout schedule .
Mark Rucker lost more than 100 pounds by changing his diet and racing . Rucker will compete in his first Ironman competition on August 26 . He used DailyMile.com and the iPhone app to track his workout progress .