Katie Ledecky is putting the rest of the world on notice with about four months to go before the 2020 Olympics games in Tokyo.
At the TYR Pro Swim Series in Iowa Wednesday night, Ledecky won the 1500m freestyle and set the fifth-fastest time in the event's history.
Oh, and she finished 46.83 seconds ahead of the second-place swimmer.
Katie Ledecky won a 1500m freestyle last night by a margin of 46.83 seconds in the fifth-fastest time in history. Now owns 10 fastest times ever.— Nick Zaccardi (@nzaccardi) March 5, 2020
Katie Ledecky 15:20.48
Lotte Friis 15:38.88 pic.twitter.com/NT2WuprDRC
Ledecky owns the 1500m freestyle, posting each of the 10-fastest times ever for the race. This year's games will be the first to feature the 1500m freestyle as an event, giving Ledecky a chance to win her patented slam at the Olympic level.
For context, one pulls off the "Ledecky slam" if they win all 200m, 400m, 800m and 1500m races. Ledecky pulled it off at the 2014 Pan Pacific Championships and the 2015 World Championships.
Judging by Wednesday's result and her three gold medals in the 200m, 400m and 800m at the Rio Olympics, it might be more surprising if Ledecky doesn't pull of the slam in Tokyo.