Caeleb Dressel led all the way in winning the 100-meter freestyle at the world swimming championships on Thursday, earning the American his third gold and fourth medal overall.
Dressel touched in 46.96 seconds, the only man to dip under 47 seconds in the final.
Dressel tied for being quickest off the starting block and held off a challenge from Chalmers in the closing meters to defend the world title he won in 2017.
Dressel’s other golds came in the 50 butterfly, a non-Olympic event, and the 4×100 free relay. He took silver in the mixed 4×100 medley relay.
More AP swimming: https://apnews.com/Swimming and https://twitter.com/AP—Sports