US sprinter Justin Gatlin has announced his retirement from athletics after a career that included an Olympic gold medal, several world titles and a pair of doping bans.
Gatlin, a three-time Olympian whose bid to qualify for last year’s Tokyo Games ended when he aggravated a hamstring injury during the US trials, made the announcement in a social media post late on Thursday.
“Through all my ups and downs, victories and losses, I have loved you track,” Gatlin wrote in the post on his 40th birthday. “You gave me tears of sadness and of joy, lessons learned that will never be forgotten.
“I’m grateful for our relationship and the many others that I’ve had along t …