Faith Kipyegon, the fastest female miler in the world, could dip under 4 minutes with an extra boost from pacers.

Millions of Indians celebrated Diwali on Sunday with a Guinness World Record number of bright earthen oil lamps as concerns about air pollution soared in the South Asian country.

Olympic gold medalist Florence "Flo-Jo" Griffith Joyner died 25 years ago on Sept. 21, 1998. The sprinter's world records for the 100 meter and 200 meter events remain unbroken.

Katie Ledecky clocked in about 10 seconds faster than the world record for the 1,500 meter "short course" freestyle race on Day 2 of the Swimming World Cup in Toronto.

It's been an astonishingly successful Games for the 24-year-old from Florida. He added two gold medals to his haul from the Tokyo Olympics, departing the Games with five golds.

In addition to smashing a longtime world record, Tatjana Schoenmaker took home South Africa's first gold medal of the Tokyo Games.

The famed naturalist and broadcaster beat out actress Jennifer Aniston for fastest time to reach one million followers on Instagram, according to Guinness World Records.