This is Mark Schoneveld. Mark is a stay-at-home father of three beautiful children, a husband and a hero. Despite his own battle with brain cancer and the pain of the loss of a child, Mark has made it his mission to support cancer research and the AACR Foundation so th...

Derek Fitzgerald competed in nine Ironmans—with someone else's heart.

In six years, Derek Fitzgerald has completed three marathons, four Half Ironman triathlons, and five full Ironman triathlons (2.4-mile swim, 112-mile bike ride, 26.2-mile run). That’s impressive as is...