His son Gregory Konchellah, who has changed his name to Yusuf Saad Kamel and is representing Bahrain since 2003, is also a prominent athlete.
He travelled to Tokyo as the favourite but lost to Billy Konchellah from Kenya, who overtook him on the home straight.
The two athletes ahead of him were eventual Gold and Bronze medalists Billy Konchellah and Mark Everett.
He is the son of former two-time 800 metres World Champion Billy Konchellah.
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Billy Konchellah, winner of two consecutive 800m World Championships, and David Rudisha, current world record holder in 800 metres, are from Kilgoris.