Ledecky wants faith in anti-doping restored

Seven-time Olympic gold medallist Katie Ledecky's faith in the anti-doping system ahead of the Paris Olympics is at an "all-time low", amid the widely criticised handling of failed drug tests in Chinese swimming.

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In an interview with CBS News Sunday Morning that will air this weekend, the American spoke about the 23 Chinese swimmers who avoided sanctions after testing positive for a banned performance-enhancing substance months before the delayed Tokyo Olympics in 2021.

"It's hard going into Paris knowing that we're going to be racing some of these athletes," said the 27-year-old, a freestyle specialist and the reigning 800m and 1,500m Olympic champion.

"And I think our faith in some of the systems is at an all-time low.

You try not to think too much about (it) when you're actually racing. And the best thing to do is to just go out there and try to win.