Jerry Schumacher himself was on to this several years ago. I talked to Chris for ten+ minutes (truly one of the most approchable guys you'll ever meet) after he ran 13:30 comfortably indoors his senior year at Wisconsin, and he mentioned that Jerry thought that he had the strength to move up to the ten, despite his bulk. He has slimmed down since then, and has been pushing Teg to the wire on a number of occasions. Obviously he has some very special aerobic ability to be able to move what still must be at least 150 lbs. that fast for that far.