According to the excellent article, he's not a warm-weather runner, and he's indifferent to the Olympic Games.
For those HNers who think practice is more important than natural talent, basically everybody in this article agrees that his particular genes greatly benefit him.
If you look at his split times, they're really, really fast. He could win at several distances, from the 1500m up to ultra-marathons.
He also seems to have Phelps' ability to block out pain.
