Sunday's action at the world track and field championships
A look at Saturday's events from Moscow
Sofi Flinck of Sweden competes in the women's javelin throw final during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013.DOMINIC EBENBICHLER/Reuters
Germany's Christina Obergfoll competes in the women's javelin throw final at the World Athletics Championships in the Luzhniki stadium in Moscow, Russia, Sunday, Aug. 18, 2013.DAVID J. PHILLIP/The Associated Press
Christina Obergfoll of Germany celebrates with her national flag after winning the women's javelin throw final during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013.LUCY NICHOLSON/Reuters
Gold medalist Stephen Kiprotich of Uganda (C) poses with silver medalist Lelisa Desisa of Ethiopia (L) and bronze medalist Tadese Tola of Ethiopia at the men's marathon victory ceremony during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013.GRIGORY DUKOR/Reuters
Kenya's Asbel Kiprop, centre, gestures as he crosses the finish line to win the men's 1500-metre final at the World Athletics Championships in the Luzhniki stadium in Moscow, Russia, Sunday, Aug. 18, 2013.ANJA NIEDRINGHAUS/The Associated Press
Shelly-Ann Fraser-Pryce (R) of Jamaica receives the baton from her team mate Schillonie Calvert as she sprints to the finish line to win the women's 4x100 metre relay final during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013.DENIS BALIBOUSE/Reuters
Celine Distel-Bonnet of France reacts as she is taken on a stretcher after an injury in the women's 4x100 metre relay final during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013.DOMINIC EBENBICHLER/Reuters
Shelly-Ann Fraser-Pryce of Jamaica celebrates winning the women's 4x100 metre relay final during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013.DYLAN MARTINEZ/Reuters
Jamaica's Usain Bolt, centre, United States' Justin Gatlin, third from right, and Britain's Dwayne Chambers, third from left, compete in the men's 4x100-metre relay final at the World Athletics Championships in the Luzhniki stadium in Moscow, Russia, Sunday, Aug. 18, 2013.MARTIN MEISSNER/The Associated Press
James Ellington of Britain (2nd L) fails to take the baton from teammate Harry Aikines-Aryeetey (2nd R) before the yellow line on the track in their men's 4x100 metre relay final during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013. Britain was disqualified from the race.GARY HERSHORN/Reuters
Jamaica's Usain Bolt, centre, crosses the finish line to win ahead of United States' Justin Gatlin, right, and Britain's Dwayne Chambers in the men's 4x100-metre relay final at the World Athletics Championships in the Luzhniki stadium in Moscow, Russia, Sunday, Aug. 18, 2013.MARTIN MEISSNER/The Associated Press
Usain Bolt of Jamaica performs the traditional Russian dance Kazachok after Jamaica won the men's 4x100 metre relay final during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013.PHIL NOBLE/Reuters
An official handout photo shows Usain Bolt of Jamaica (R) crossing the finish line to win the men's 4X100 metre relay final during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013.HANDOUT/Reuters
Winner Usain Bolt of Jamaica celebrates with second placed compatriot Warren Weir (R) after their men's 200 metre final during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 17, 2013.DOMINIC EBENBICHLER/Reuters
Supporters cheer while watching a broadcast in Kingston, of Jamaica winning the men's 4x100 metre relay final at Moscow's IAAF World Athletics Championships, August 18, 2013. Usain Bolt, already enshrined as one of the greatest Olympians of all time, became the most successful athlete in world championship history when he anchored Jamaica to victory in the 4x100 metres relay on Sunday.GILBERT BELLAMY/Reuters
Brenda Martinez of the U.S., Lenka Masna of Czech Republic, Nataliia Lupu of Ukraine, Halima Hachlaf of Morocco and Alysia Johnson Montano of the U.S. (L-R) compete in the women's 800 metre semi-final heat event of the IAAF World Athletics Championships at the Luzhniki Stadium in Moscow August 16, 2013.LUCY NICHOLSON/Reuters
Eunice Jepkoech Sum of Kenya celebrates as she wins the women's 800 metre final while Alysia Johnson Montano of the U.S. falls as Mariya Savinova and Ekaterina Poistogova of Russia (L) finish during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013.PHIL NOBLE/Reuters
Alysia Johnson Montano of the U.S. reacts after she fell at the finish line of the women's 800 metre final during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013.PHIL NOBLE/Reuters
Alysia Johnson Montano of the U.S. cries after placing fourth in the women's 800 metre final during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013.LUCY NICHOLSON/Reuters
Eunice Jepkoech Sum of Kenya celebrates winning the women's 800 metre final during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013.DYLAN MARTINEZ/Reuters
Pedro Pablo Pichardo of Cuba competes during the men's triple jump final at the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013.FABRIZIO BENSCH/Reuters
Christian Taylor of the U.S. competes during the men's triple jump final at the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013.DYLAN MARTINEZ/Reuters
Teddy Tamgho of France competes during the men's triple jump final at the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013.DOMINIC EBENBICHLER/Reuters
Teddy Tamgho of France reacts after winning the gold in the men's triple jump final at the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013.MAXIM SHEMETOV/Reuters