![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
![People on Twitter: "Meet the Iron Nun: 86-year-old triathlon-running Sister Madonna Buder stars in new Nike ad https://t.co/ndUwMrQTBW https://t.co/KDfxMISwd5" / Twitter People on Twitter: "Meet the Iron Nun: 86-year-old triathlon-running Sister Madonna Buder stars in new Nike ad https://t.co/ndUwMrQTBW https://t.co/KDfxMISwd5" / Twitter](https://pbs.twimg.com/media/CqLsJtLWYAA1EW5.jpg)
People on Twitter: "Meet the Iron Nun: 86-year-old triathlon-running Sister Madonna Buder stars in new Nike ad https://t.co/ndUwMrQTBW https://t.co/KDfxMISwd5" / Twitter
![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/article8642565.ece/ALTERNATES/s1200b/nikeStories_buder_gradeRef_081216_0000683_original.jpg)