He returns to London this weekend.
The East African nation has 278 male runners with the Olympic 'A' standard.
He faces stiff competition in Tokyo on Sunday.
Paul Tergat and Patrick Makau took part in the 5K fun run.
The world-record holder talks candidly about his life.
He will race there twice in three months.
He thinks Kenya will do it again--soon.
Makau is the current marathon world-record holder.
Course-record holder returns to defend his crown.
Patrick Makau and Edna Kiplagat are at the top of the list.