Aside from doping. It is interesting that Sondres 5k and 10k times would not suggest such world class times in the half and marathon. There was also discussion about his “pedestrian” 400m Speed. I find that interesting as there seem to be certain athletes whose talent lie in the long stuff. Maybe more speed is not always better.
On the same note. Galen Rupp is arguably the most talented non african runner and additionaly he had world class coaching and profited from top of the notch fascilities and science from a young age on. He had a great start into Marathon running with his Boston and Chicago and Olympics. But I am not sure if he will ever run 2:05. Moen is a real grinder for sure.