Pole vaulter Mondo Duplantis is rarely beaten and he outsprinted 400 metres hurdler Karsten Warholm in the hotly-anticipated 100 metres exhibition race in Zurich on Wednesday, which brought the two World record holders together in a neutral event.
Joyner's Olympic records for the 100 and 200 metres set in Seoul in 1988 still stand, although her early death at 39 from a seizure raised suspicions of possible steroid use that tarnished her legacy.
Serena Williams again wore her distinctive single-legged leotard for her second match at the Australian Open on Wednesday, and said the light material was perfect for the warmer conditions if a little too sheer to wear by itself.
Jamaica's Veronica Campbell-Brown has no intention of relinquishing her Olympic 200 metres title at this year's Beijing Games, even if she will probably start as favourite for the more prestigious 100 metres crown. The 25-year-old won the world title in the shorter sprint in Osaka last year and is aiming to become the first woman -- barring the now disgraced Marion Jones -- to win both in one Games since Florence Griffiths Joyner two decades ago.
The late Florence Griffith Joyner topped the list of 10 inductees into the United States Olympic Hall of Fame.
American Athing Mu shook off the disappointment of her third-place finish at worlds to win the women's 800 metres in 1:54.97, holding off Britain's Keely Hodgkinson, who finished second in 1:55.19.
Defending champion Elaine Thompson-Herah led home a Jamaican clean sweep in the Olympic women's 100 metres final on Saturday, posting an amazing 10.61 seconds to become the second-fastest woman in history.
Fraser-Pryce, who laid down a marker ahead of next month's Tokyo Olympics, said her speed had taken ever her by surprise.
Olympic champions Elaine Thompson-Herah, Selemon Barega, Armand Duplantis, Steven Gardiner, Emmanuel Korir, Hansle Parchment and Karsten Warholm were all beaten.
Yulimar Rojas of Venezuela soared to her fourth consecutive world triple jump title on Friday.
Usain Bolt said that advances in spike technology that could help wipe out his world records are laughable and that the new shoes also give an unfair advantage over any athletes not wearing them.
At his peak Bolt was probably the world's most recognisable sportsperson and certainly one of the most marketable. In contrast, the two 2020 Athletes of the year were Swedish pole vaulter Mondo Duplantis and Venezuelan triple jumper Yulimar Rojas.
Periault and Duffy were running shoulder to shoulder but the Frenchwoman pulled away from the Bermudan on the third lap of the run.
Images from the World Athletics Championships in Eugene, Oregon, on Thursday, Day 7.
Images from the World Athletics Championships on Sunday, Day 3, in Oregon.
Hansle Parchment of Jamaica was second in 13.03 and Olympic champion and world record holder Aries Merritt claimed bronze in 13.04 seconds.