THE FOUR FASTEST MEN IN THE WORLD

Jamaica legend, Usain Bolt, wins the men's 100 meter gold medal with an olympic record time of 9.63 seconds, defeating Jamaica upcoming star Yohan Blake(9.75 seconds),and USA Justin Gatlin(9.79 seconds). USA Tyson Gay placed fourth with a 9.80 time.(AP Photo/Dick Druckman)

Jamaica legend, Usain Bolt, wins the men’s 100 meter gold medal with an olympic record time of 9.63 seconds, defeating Jamaica upcoming star Yohan Blake(9.75 seconds),and USA Justin Gatlin(9.79 seconds). USA Tyson Gay placed fourth with a 9.80 time.(AP Photo/Dick Druckman)

Jamaica legend, Usain Bolt, wins the men’s 100 meter gold medal with an olympic record time of 9.63 seconds, defeating Jamaica upcoming star Yohan Blake(9.75 seconds),and USA Justin Gatlin(9.79 seconds). USA Tyson Gay placed fourth with a 9.80 time.(AP Photo/Dick Druckman)