Full coverage: 2016 Rio Olympics

David Rudisha has been making history for the past few years, and he did so again in Rio, becoming the first Kenyan athlete to retain an Olympic title.

David Rudisha retains the Olympic 800m title

The world record holder in the 800 meters convincingly defended his title, bringing an end to a long and painful road that included knee surgery after his victory in London four years ago.

And the man known in his home country as "King David" told Dan Williams that he hopes his injury woes are a thing of the past, so he can go for a three-peat in Tokyo in 2020.

Interview with David Rudisha, gold medalist in 800 meters