![86-year-old Sister dubbed the 'Iron Nun' after completing one of world's toughest endurance races an astonishing 45 times - Mirror Online 86-year-old Sister dubbed the 'Iron Nun' after completing one of world's toughest endurance races an astonishing 45 times - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article8642568.ece/ALTERNATES/s615b/GettyImages-244117.jpg)
86-year-old Sister dubbed the 'Iron Nun' after completing one of world's toughest endurance races an astonishing 45 times - Mirror Online
Nike Celebrates the 'Iron Nun', an 86-Year-Old Triathlete With... | The next time you think you're getting a bit too creaky for a morning run, think about Sister Madonna Buder. The 86-year-old
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