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American Jack Alexy made waves in the pool at the World Aquatics Championships in Singapore on Wednesday.
Alexy blew past Caeleb Dressel’s national record in the 100-yard freestyle in the second semifinal heat.
He tapped the wall with a time of 46.81, earning him the top spot in the final. Dressel finished in 46.96 at the 2019 World Championships to set the record previously.
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Jack Alexy of the United States reacts after competing in the men’s 100-meter freestyle semifinals at the World Aquatics Championships in Singapore Wednesday, July 30, 2025. (AP Photo/Vincent Thian)
The mark was 0.18 seconds better than the U.S. Open record he set in June and is third all time, according to Swim Swam.
The Morristown, New Jersey, native still has the challenge of bringing home a podium spot in the final. He won a silver medal in the 2023 championships in Fukuoka, Japan.
CHINESE SWIMMING PRODIGY MAKES DEBUT ON WORLD STAGE AT JUST 12 YEARS OLD
Gold medalists Jack Alexy, Chris Guiliano, Hunter Armstrong and Caeleb Dressel of Team United States pose with their medals after the men’s 4×100-meter freestyle relay at the Olympic Games Paris 2024 at Paris La Defense Arena July 27, 2024, in Nanterre, France. (Al Bello via Getty Images)
Romanian swimmer David Popovici is among the favorites in the event. American Patrick Sammon will also swim in the race. Shockingly, China’s Pan Zhanle, who holds the world record in the 100 freestyle, finished with a 47.81 mark. Pan set the world record at the Paris Olympics with time of 46.40.
Alexy won a gold medal at the Paris Olympics in 2024. He was a part of the 4×100 freestyle team. He and the U.S. also earned a silver medal in the 4×100 medley.
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The world championships’ 100 freestyle final is scheduled for Thursday.
The Associated Press contributed to this report.