American swimming star Katie Ledecky won yet another 1,500-meter freestyle world title in Singapore, her sixth victory in the event.

Katie Ledecky has ceded a tiny bit of ground in other events, but she’s still unbeatable in the 1,500-meter freestyle.

Katie Ledecky delivered another masterclass in distance swimming to collect her sixth world title in the 1,500 metres freestyle on Tuesday and while she was never threatened in the final she felt her rivals were helping her push the sport forward.