The heats are grueling and the only question is whether she has enough left in the tank for the finals .
Sanya Richards looked strong , controlled , and fast coming down the homestretch as she won in the third - fastest time of the year .
The heats are grueling and the only question is whether Sanya Richards has enough left in the tank for the finals .
Sanya Richards looked strong , controlled , and fast coming down the homestretch as she won in the third - fastest time of the year .