Katie Ledecky edged out rival Summer McIntosh in a thrilling women's 800-meter freestyle final at the World Aquatics Championships in Singapore. Ledecky's victory, clocking 8:05.62, marked her seventh consecutive world title in the event and prevented McIntosh from achieving five gold medals. Australia's Lani Pallister secured second place, making it a closely contested three-woman race. The US also set a new world record in the mixed 4x100m relay. Both Ledecky and McIntosh have already won multiple medals at the championships.

Prepared by Emily Rhodes and reviewed by editorial team.