If you don't know who this is, read on.. Edit

Today, Sarah focuses on triathlons, where she has broken new ground and gone where no amputee woman has attempted before – the Ironman Triathlon World Championship in Hawaii (a 2.4-mile swim, 112-mile bike and 26.2-mile run.) This year, Sarah became the first woman to finish this grueling test on an artificial leg, finishing in a remarkable 15:05. Edit