Ariarne Titmus knocked off the USA’s Katie Ledecky again at the Olympics, defending her 400-metre freestyle title in one of the most highly anticipated races of the Paris Games.
Titmus, the Australian star known as “The Terminator,” prevailed in an event the American won at Rio de Janeiro in 2016, handing Ledecky a second straight defeat in the event.
With her fingernails painted Aussie yellow, Titmus led from start to finish. The 23-year-old faced her stiffest challenge from Canadian…