Katie Ledecky edges Australian rival and reigning gold medalist to kickstart Olympics with fastest time in 400m freestyle prelims
![Katie Ledecky edges Australian rival and reigning gold medalist to kickstart Olympics with fastest time in 400m freestyle prelims](https://i.dailymail.co.uk/1s/2024/07/27/12/87836903-0-image-m-15_1722080652343.jpg)
Ledecky fired the first shot in her duel with Ariarne Titmus, posting the fastest time the preliminaries of the women's 400-meter freestyle Saturday as the swimming competition began in Paris.