Mr. '800 meter dash' didn't start out as a prodigy in the event he's so famously attached to. Learn Derrick's journey towards 800m greatness that culminates in an Olympic berth in today's episode. Stay tuned as the second half we learn about coaching the half mile event; topics range from the differences between sprinter 800m runners and distance 800m runners, the role strength training plays into training, and the affect mentors have had in his life as a mid-distance coach.