▁performed ▁better . ▁He ▁opened ▁with ▁a ▁second ▁place ▁in ▁D oh a , ▁then ▁won ▁the ▁I ST AF ▁Golden ▁League ▁meet ▁in ▁Berlin . ▁He ▁then ▁finished ▁second ▁at ▁the ▁Grand ▁Prix ▁meets ▁in ▁Madrid ▁and ▁Ath ens , ▁and ▁won ▁the ▁Super ▁Grand ▁Prix ▁meet ▁in ▁Cry stal ▁Palace , ▁London . ▁In ▁Madrid ▁he ▁had ▁achieved ▁a ▁personal ▁best ▁time ▁is ▁ 1 : 4 3 . 7 2 ▁minutes , ▁which ▁is ▁also ▁the ▁U g and an ▁record . ▁Enter ing ▁the ▁ 2 0 0 8 ▁Olympic ▁Games , ▁then , ▁Che p kir w ok ▁was ▁the ▁only ▁middle ▁distance ▁runner ▁in ▁the ▁U g and an ▁squad . ▁In ▁the ▁ 8 0 0 ▁metres ▁competition ▁he ▁did ▁not ▁reach ▁the ▁final , ▁however . ▁He ▁rounded ▁off ▁the ▁season ▁with ▁a ▁second ▁place ▁at ▁the ▁ 2 0 0 8 ▁World ▁Athletics ▁Final . ▁In ▁early ▁ 2 0 0 9 ▁it ▁was ▁announced ▁that ▁Che p kir w ok ▁was ▁a ▁candidate ▁for ▁the ▁title ▁U g and an ▁Ath lete ▁of ▁the ▁Year . ▁He ▁eventually ▁finished ▁second ▁runner - up ▁for ▁the ▁award , ▁behind ▁Mos es ▁K ips iro ▁and ▁Benjamin ▁Ki pl ag at . ▁ ▁In ▁February ▁ 2 0 0 9 ▁he ▁set ▁a ▁national ▁ind oor ▁record ▁in ▁the ▁ 1 0 0 0 ▁metres , ▁running ▁in ▁ 2 : 1 8 . 1 8 ▁minutes ▁in ▁Stuttgart . ▁ ▁Che p kir w