Edwina Brocklesby

Edwina Brocklesby, who would go on to be the U.K.’s oldest Ironman triathlete and founder and director of Silverfit, which promotes physical activity among older people, “didn’t do any exercise at all until I was 50.”

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Madonna Buder

Sister Madonna Buder, also known as the “Iron Nun,” competed in her first triathlon in 1982 at age 52—and then did around 400 more over the next four decades.

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Melinda Cockshutt

The month after her 50th birthday, Australian athlete Melinda Cockshutt won the women’s division of the 2024 Ultraman Australia triathlon, as well as being the oldest woman to complete the race.

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