Sister Madonna Buder in Nike’s new ad will make even the most fierce of fitness freaks feel inadequate. At 86, she runs, swims, cycles and even participates in the Ironman triathlon. For their ‘Unlimited’ series, the sports apparel brand has recruited ‘Iron Nun’ – a moniker the nun received after completing 45 or so Ironman contests. The grueling race comprises a 3.86 km swim, a 180.25 km cycle race, and […]