The oldest known olympic sport is bull jumping. Source: Chachanswers.com
Steve Redgrave is a five-time Olympic gold medalist in the sport of rowing.
That is the sport known as "biathalon".
Swimming is Australia's best Olympic sport. Out of the 143 Gold medals that Australia has won in Olympics, as of 2014, swimming makes up 58 of them.
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The International Olympic Committee calls football football.
Athletics at the 1896 Games in Athens.