Katie Ledecky secured her seventh consecutive world championship title in the 800-meter freestyle, surpassing her own record. She edged out Canada's Summer McIntosh, who briefly led, in a closely contested race. Ledecky's winning time was 8:05.62, a new championship record. McIntosh, though disappointed, expressed determination for future competitions. Ledecky, at 28, defeated the 18-year-old McIntosh, highlighting a generational clash in the sport. The win solidifies Ledecky's dominance in the event, setting up a potential rematch with McIntosh in 2028.

Prepared by Emily Rhodes and reviewed by editorial team.