Katie Ledecky hopes clean races at Olympics after Chinese doping scandal

Katie Ledecky hopes for clean races at the Olympics. Hope was just about as far as she was willing to go on Wednesday.

The US swimming star is looking to add to her six individual gold medals when she races in the 400, 800 and 1,500 meters at the Paris Games.

Her schedule begins with the loaded 400 on Saturday, including Ariarne Titmus and Summer McIntosh.

The 27-year-old Ledecky is competing in her fourth Summer Olympics. But, it's the first one since a doping scandal involving nearly two dozen Chinese swimmers who tested positive for a banned substance ahead of the Tokyo Games and were allowed to compete with no ramifications. The controversy has raised major concerns about the seriousness of anti-doping efforts.

I hope everyone here is going to be competing clean this week, Ledecky said. But, what really matters also is: Were they training clean? Hopefully, that's been the case. Hopefully, there's been even testing around the world.

There is an ongoing US investigation of the