Globe Corner Blogs

KATE AND ZOE met at nineteen when they both made the cut for the national training program in track cycling—a sport that demands intense focus, blinding exertion, and unwavering commitment. They are built to exploit the barest physical and psychological edge over equally skilled rivals, all of whom are fighting for the last one tenth of a second that separates triumph from despair. Now at thirty-two, the women are facing their last and biggest race: the 2012 Olympics. Each wants desperately to win gold, and each has more than a medal to lose.