Sydney McLaughlin, welcome to the record books.
The 400-meter hurdles runner not only set the world record at the U.S. Olympic Track and Field Trials on Sunday night with a time of 51.9 seconds, she also became the first woman in history to ever run under 52 seconds.
#TokyoOlympics.<a href="https://twitter.com/GoSydGo?ref_src=twsrc%5Etfw">@GoSydGo</a> sets the WORLD RECORD and is going to the <a href="https://twitter.com/hashtag/TokyoOlympics?src=hash&ref_src=twsrc%5Etfw">#TokyoOlympics</a>! u26a1ufe0f<a href="https://twitter.com/usatf?ref_src=twsrc%5Etfw">@usatf</a> | <a href="https://twitter.com/hashtag/TrackFieldTrials21?src=hash&ref_src=twsrc%5Etfw">#TrackFieldTrials21</a> <a href="https://t.co/K0WYmiHiSn">pic.twitter.com/K0WYmiHiSn</a>
The previous record of 52.16 seconds was set by 2016 Olympics gold medalist Dalilah Muhammad‘s at the 2019 World Championships. Muhammad finished in second on Sunday night (52.