Brenda Martinez is a grinder. Two days after USAs it was back to work

Coach Vigil is making Brenda Martinez work. Just two days after the US Championships in Des Moines, she was back at it. She posted her workouts on Twitter and we had to ask how strong she feels. She admits she has no say in the workouts and doesn't take any shortcuts. She's fit. That may be an understatement. Will it take 1:56 to win in Moscow? Her thoughts have changed and she'll see if she has her day in Moscow.