PIX: Canada win men's sprint relay as US blow it; Chebet double

IMAGE: Canada's Brendon Rodney, Jerome Blake, Andre de Grasse and Aaron Brown celebrate after winning gold in the Olympics men's 4x100m Relay final at Stade de France, Paris, on Friday.......

PICS: McLaughlin breaks 400m hurdles World record

Images from the World Athletics Championships in Eugene, Oregon, on Friday, Day 8. IMAGE: Sydney McLaughlin of the United States celebrates winning the women's 400 metres hurdles final and setting......

PICS: Kazakhstan's Jeruto roars to steeplechase gold

Images from the World Athletics Championships in Eugene, Oregon, on Wednesday, Day 6. IMAGE: Kazakhstan's Norah Jeruto celebrates setting a new championship record and winning gold in the women's......

PIX: Fraser-Pryce dazzles in Paris Diamond League meet

IMAGE: Jamaica's Shelly-Ann Fraser-Pryce celebrates after crossing the finish line to win the women's 100 metres in the Diamond League meet at Stade Charlety, in Paris, on Saturday. Photograph:......

World Athletics PIX: Eid Naser wins 400m in third-fastest time

Images from Thursday's proceedings at the IAAF World Athletics Championships, in Doha. IMAGE: Bahrain's Salwa Eid Naser celebrates winning the women's 400 metres in 48.14 seconds, at the IAAF......