Murphy trained Kraenzlein as a sprinter , and he became a champion the 100 - yard dash and won an Olympic gold medal in the 60 - yard dash .
When Kraenzlein began training with Murphy , he was a hurdler , but not a sprinter .
Murphy trained Kraenzlein as a sprinter , and Murphy became a champion the 100 - yard dash and won an Olympic gold medal in the 60 - yard dash .
When Kraenzlein began training with Murphy , he was a hurdler , but not a sprinter .