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.......

PIX: Chebet sinks 10,000m mark; Kerr, Richardson shine

IMAGE: Kenya's Beatrice Chebet wins the women's 10,000m in a World record 28:54.14s during the 49th Pre Classic at Hayward Field, Eugene, Oregon, USA, on Saturday. Photograph: Kirby Lee-USA TODAY......

Kipyegon smashes World mile record; Warholm sparkles

IMAGE: Kenya's Faith Kipyegon celebrates after winning the women's 1 mile final at the Diamond League meet, at Herculis - Stade Louis II, Monaco, on Friday. Photograph: Claudia Greco/Reuters......

Diamond League PIX: Richardson is fastest woman in Doha

IMAGE: Sha'Carri Richardson of the United States poses for the cameras after winning the women's 100 metres in the Doha Diamond League meeting, at Suheim bin Hamad Stadium, in Doha, Qatar, on......

Hobbs ends Jamaican 100m rule in women's Diamond League

IMAGE: Aleia Hobbs of the United States celebrates winning the women's 100 metres at the Diamond League meeting in Lausanne, Switzerland, on Friday. Photograph: Arnd Wiegmann/Reuters American......