Grass has overgrown the unattended grave of Samuel Wanjiru on the remote Ol-Ojorok plateau in central Kenya - a symbol of how quickly a country can forget its heroes.
"He was a great guy," said Eliud Kipchoge, a two-time London marathon champion who began running at the same time as Wanjiru. Kipchoge hopes to win the Olympic marathon in Rio de Janeiro to revive memories of his friend.