Ruth Frith shows that age is no barrier when it comes to sport. At the age of 100, the shot putter prepares for her latest throw at the World Masters Games.

Canada’s Olga Kotelko is a bit younger – she’s only 90 years old and has reportedly claimed at least 15 world records in the run-up to the Games.

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Another swimmer, 98-year-old Margo Bates, prepares for the 100-meter backstroke.

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Harbhajan Singh Aulakh, Indian-born but representing Australia where he now lives, competes in the 75-79 age group steeple-chase.

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At 79, Norm Perry was the oldest participant in the baseball.

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Australian Ralph Howard, 91, was the oldest rower there and he won gold. The Games attracted 28,292 competititors from 95 countries ranging in age from 24 to 101.

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Earl Fee of Canada (center) leads his 80-84 age group in the 100-meter sprint on the track.

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Jack Mathieson, aged 91, poses after swimming in the 800-metre freestyle.

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Some competitors didn’t appear to worry so much about being well-toned athletes. This woman smoked a cigarette while taking part in the bowling.