 He attempted to defend his world title at the 2010 IAAF World Indoor Championships, but it was not to be and he finished in fourth place as Bernard Lagat succeeded him as the 3000 m champion.In the inaugural 2010 IAAF Diamond League series he took two major wins at the Prefontaine Classic and the Weltklasse Zurich meets.He set a world-leading time in the 3000 m at the 2010 Rieti IAAF Grand Prix, running 7