The reason why Rupp and Farah killed it last year was because of picking there races well and avoiding racing too many races. The Kenyans have noticed this and that is why they are racing less towards this coming Championship. Edwin Soi will be hard to deal with in the 5K, Kiplagat and kiprop will not repeat the same mistakes they made at the Olympics. Galen knows what he is doing, whoever has a little bit of energy at the end will be on top at this World's.