Haunted by the loss of his best friend to cancer, unnerved by turning 50, and motivated to raise money and awareness for a cancer charity close to his heart, Brent Goldstein undertook an epic adventure in June, 2018 - the Tour Divide mountain bike race. The Tour Divide is a 2,731+ mile self-supported, off-road journey down the U.S. Continental Divide from Canada to Mexico. Race rules prohibit help from friends or family. The bikes don't have motors...