The United States won the Olympic women's 4x400 meters relay gold medal on Saturday in 3 minutes 19.06 seconds, their sixth straight victory in the event at the Games.
A round-up of all the results from the 16th World Athletic Championships in London
Jamaica won the showcase 4x200 metres relay without Usain Bolt as their American rivals dropped the baton at the IAAF World Relays in Nassau, Bahamas on Sunday.
Bahamian Shaunae Miller launched herself over the finishing line with a desperate dive to pip Allyson Felix to the women's Olympic 400 metres gold medal by the narrowest of margins on Monday.
Images from Thursday's proceedings at the IAAF World Athletics Championships in Doha.
A round-up of results from the final day of the World Athletics Championships in Doha on Sunday
Check out the gold medallists on Day 15 of the 2016 Olympic Games in Rio de Janeiro, on Saturday:
Olympic champions the United States reclaimed their women's 4x400m relay world title as Jamaica suffered more injury heartbreak in the World Championships final on Sunday.*
