LaShawn Merritt ran a blistering anchor leg to return the men's 4x400m title to the United States, and win his third Olympic gold medal, in the final athletics event of the Rio Games on Saturday.
Usain Bolt returned to the scene of his triple Olympic glory and duly delivered for 60,000 camera-flashing fans as he overcame a slow start to win the 100 metres and give the London Anniversary Games the Friday finale it demanded.
Check out the gold medallists on Day 15 of the 2016 Olympic Games in Rio de Janeiro, on Saturday: