David Roll was overweight and out of shape on the eve of his 40th birthday . Roll struggled to get fit , and within months , he competed in a grueling marathon . The father of Roll says he wants to be an example to others facing life 's challenges .
Rich Roll was overweight and out of shape on the eve of his 40th birthday . Roll decided to get fit , and within months , he competed in a grueling triathlon . The father of four says he hopes to be an example to others facing life 's challenges .