Karoki officially exits track: World Half silver medallist now ready for marathon challenge

ATHLETICS-BRITAIN-MARATHON Kenyan elite runner Bedan Karoki Muchiri poses during a photocall for the men's marathon elite athletes outside Tower Bridge in central London on April 20, 2017 ahead of the upcoming London Marathon. / AFP PHOTO

Japan-based athlete now targets good show in big city marathons after fourth-place finish at London World Championships.

After making his debut at the London Marathon in April where he finished third in 2:07:41, Japan-based Bedan Karoki says he now ready to fully concentrate in marathon running.