3:49's major improvement from Jock. Was this winning or trailing? You get major improvement at fifteen and retain speed at 400m and you have the ingredients for a breakthrough at 800m. So much for the big Andrews pass at the finish if Jock can hold his first lap speed significantly better with the added endurance or strength if you will. Notice that many 400/800 types barely ever take a crack at the fifteen. To me, this also shows that he and his coach understand that he can make major, major gains in his fifteen, above anything else, and that the huge endurance gains will allow for big gains at 800m.