These are the swimmers with the most wins in a single event in the history of World Cup. Who’s going to be the next swimmer to join this list?

During the first day in Toronto of the 2025 Swimming World Cup, Olympic champion Hubert Kós won the men’s 200 backstroke in 1:45.12. He shattered Mitch Larkin’s previous world record of 1:45.63 from 2015, which was the second-oldest male SCM World Record on the books.

During the first day in Toronto of the 2025 Swimming World Cup, Josh Liendo took advantage of competing in his home country and won the men’s 100 m butterfly in an astonishing 47.68. This is a new world record, 0.03 seconds faster than Noè Ponti’s previous mark from last year.

During the final day in Toronto of the 2025 Swimming World Cup, Lani Pallister simply demolished the women's 800 freestyle in 7:54.00. She was 3.42 seconds faster than Katie Ledecky's previous mark from the 2022 World Cup. What an epic performance!

During the final day in Toronto of the 2025 Swimming World Cup, Kaylee McKeown and Regan Smith did what they had done last week in Westmont, as both swam under the previous world record. McKeown won in 1:57.33, 0.54 seconds faster than her own previous mark.

During the final day in Toronto of the 2025 Swimming World Cup, Caspar Corbeau won the men's 200 breaststroke in 1:59.52. This is the first sub-2:00 swim in the history of the event, and also the first world record set by Corbeau in his career.

During the final day in Toronto of the 2025 Swimming World Cup, Kate Douglass delivered an astonishing swim in the women's 100 freestyle, as she became the first swimmer in history to crack the 50-second barrier in 49.93. She was 0.26 seconds faster than her own previous WR.

The 2025 Swimming World Cup came to an end yesterday with a historic mark. The thirteen world records of the series represent an average of 4.33 per meet, which is the highest in history (excluding the unusually high number of WRs in 2009 due to the high-tech suits).

The 2025 Swimming World Cup concluded last Saturday, with Kate Douglass and Hubert Kós claiming the overall titles. Alongside Gretchen Walsh, they were the only swimmers to have won nine gold medals across the series.

These are the top 20 women’s performances at the 2025 Swimming World Cup according to the Swimming Stats performance index (one performance by swimmer by event). Do you agree with the list?

These are the top 20 men’s performances at the 2025 Swimming World Cup according to the Swimming Stats performance index (one performance by swimmer by event). Do you agree with the list?

During a pro time trial in the middle of the Florida-Georgia dual meet on Gainesville, Katie Ledecky swam to a 4:26.43 in the 500 freestyle (short course yards). That is the 5th fastest performance of all time, and she now holds the top nine performances in history.

These are the female swimmers who have set the most SCM world records in history. By breaking world records at the 2025 World Cup, Gretchen Walsh and Kate Douglass moved up in this list. Walsh, in fact, now holds second place with 13 world records, behind only Katinka Hosszú.

These are the male swimmers who have set the most short course world records in history. Who’s going to be the next swimmer to join this list?

These are the longest-standing women’s individual short course world records. Will the 100 breaststroke world record remain unbroken for much longer?

These are the longest-standing men’s individual short-course world records. Only one record remains from before 2019: that of Yannick Agnel in the 400 m freestyle, which has stood for almost 13 years. How much longer will it last?

These are the number of world records in long course meters in individual events by gender over the years since 2010 (after the banning of the hi-tech suits). Why have been there so many more women’s WRs than men’s?

During the first day of the 2025 Russian Short Course Championships in Kazan, Egor Kornev captured the top seed in the semifinals of the men's 50 butterfly in a new Russian national record of 21.73. He is the first-ever Russian to dip under the 22-second threshold.

During the 2025 Pleasanton Seahawks Meet, Luka Mijatovic won the .boys' 1000 freestyle in 8:37.01 (short course yards). At 16 years of age, he is now the 6th fastest performer of all time in the event.

During the third day of the 2025 Russian Short Course Championships in Kazan, Egor Kornev won the men’s 100 m freestyle in 44.99. He was just 0.15 seconds off Kyle Chalmers’ world record from 2021, and he is only the fifth swimmer in history to ever crack the 45-second barrier.