SportOlympicsHackett: Titmus will 'dominate' Ledecky in 400 freeAustralian swimming legend Grant Hackett has predicted Ariarne Titmus will 'dominate' Katie Ledecky in the women's 400m freestyle, which highlights the opening night of swimming action in Paris.July 24, 2024 — 2.08pmSaveLog in, register or subscribe to save articles for later.Save videos for laterAdd videos to your saved list and come back to them any time.Got itLoadingReplayReplay videoPlay videoPlay video