Irish cancer survivor is a true Iron Lady and example to us all

Most normal people would find the idea of training for — and completing — an Ironman a fairly pointless and needlessly painful exercise. But then again, Marie Casey-Breen is not your normal person.
For the uninitiated, an Ironman is a 3.8km open water swim, followed by a 180km bike ride followed by a marathon of 42.2km, all within a time limit of 17 hours.