Austin Pruitt figures he earned his spot in the 2012 London Parlaympics solely on raw talent.
The wheelchair racer was fifth in the 200 meters. By 18, he was a Paralympian with national titles in the 100 and 200 meters and a bronze from the 2011 World Championships.
But after the Paralympics, Pruitt knew he needed fine-tuning. So in late 2012 he moved from Washington to the Olympic Training Center in Chula Vista and made some changes.
One was to start working with coach Joaquim Cruz, the famed Brazilian 800-meter runner. The other was to develop a diet with the OTC's nutritionists. At the time, Pruitt weighed 240 pounds.
Today, Pruitt is 191 pounds and...