Japan grabbed a surprise silver medal in the men's 4x100-meter relay with an Asian record of 37.60 seconds Friday at the Rio Olympic Games. Jamaica won its third consecutive Olympic gold in the men's 4x100-meter relay. Usain Bolt, 29, of Jamaica also won the 100 meters and 200 meters, making the Rio Games his third three-gold Olympics. Three Olympics, three races at each, three gold medals every time.