Help Nathan Rose and Team FlickDirect in WDW Half-Marathon Leukemia is the number one disease killer of children in America. It’s sad, but there is hope, and I’ve decided to do something about it. I am training for the Walt Disney World Half Marathon in January with Team FlickDirect. My goal is to raise funds to support research that will uncover cures and better treatments for leukemia, lymphoma, Hodgkin’s disease and myelomaâ€â€