In just her second marathon, Rosie Ruiz stuns the world, winning the Boston Marathon in a time of 2:31:56, setting a new female record. It is a 25-minute improvement over her time in the New York Marathon. However, nobody remembers seeing Ruiz on the course. Over the next few days, Ruiz’s story falls apart as it is determined she did not run the entire race and became one of the most notorious cheaters in sports history.