Grant Holloway couldn't run 500m in under 90 sec when he first arrived at Florida

Every year the University of Florida freshmen do a workout in September which involves running at least 500m in under 90 sec. (72 sec 400m pace) Believe it or not Grant Holloway wasn’t able to run that pace when he first arrived on campus. Nine months later he went on to split 43.8 in the 4x4 at the NCAA Outdoor Championships!