Sydney McLaughlin breaks world record in women’s 400-meter hurdles to win gold

Gold medalist Sydney McLaughlin, of the United States, celebrates after winning the women’s 400-meter hurdles at the 2020 Summer Olympics, Wednesday, Aug. 4, 2021, in Tokyo, Japan. (AP Photo/Petr David Josek)

TOKYO — Five years ago, she was a first-time Olympian, a teenager just getting a feel for the international spotlight.