Sydney McLaughlin-Levrone shattered the 400-meter women's world championship record, clocking 47.78 seconds in Tokyo. This is the first time a woman has broken the 48-second barrier in nearly 40 years, surpassing all but Marita Koch's record from 1985. McLaughlin-Levrone's victory marks her first global 400-meter title, adding to her dominance in the 400-meter hurdles. Second-place finisher Marileidy Paulino also ran a sub-48-second race, highlighting the exceptional competition.

Prepared by Emily Rhodes and reviewed by editorial team.