Ariarne Titmus of Australia won the gold medal in the women's 400-meter freestyle at the 2024 Paris Olympics, successfully defending her title with a time of 3:57.49. Summer McIntosh of Canada secured the silver medal with a time of 3:58.37, marking Canada's first medal of the Games. American swimmer Katie Ledecky, from Montgomery Co., claimed the bronze medal with a time of 4:00.86, adding an 11th Olympic medal to her decorated career. This race was highly anticipated, featuring a strong field of competitors, although the times were slower than expected.