In April, US sprinter Allyson Felix announced this year would be her last as an athlete.
It’s hard to imagine what the sport will look like without her.
Felix burst on to the scene in 2003 when, aged 17, she finished second in the 200m at the US trials to qualify for her first World Championships.
Two medal-filled decades later, she bowed out in front of a home crowd in Eugene, Oregon, winning bronze as part of the 4x400m mixed relay.
“It was a night I will cherish. I’ve had such good memories,” she said.
“I know it is time and these guys will carry it on into the future. I am at peace stepping into this next stage and have tremendous gratitude for this sport.”
As careers in sport go, they don’t get much better than Felix’s – and off the track she’s had some pretty momentous achievements too, with her activism showing how speaking out can spark real, tangible change.
Here are five reasons Allyson Felix will go down as a track-and-field legend: