Australian Matthew Wilson equalled Ippei Watanabe’s 200 breaststroke world record in the semi-finals at the 2019 World Championships in a time of 2:06.67.
Penny Oleksiak threw down a sizzling 1:54.36 anchor leg to lead the Canadian women to a new National Record and bronze medal in the 4×200 free relay.
Scratched into the 200 back semi-finals on less than 90 minutes notice, Markus Thormeyer broke a 10-year-old Canadian Record to qualify for the final.
Olivia Smoliga set a new American Record en route to winning gold in the final of the women’s 50 back, clocking a time of 27.33.
Jeremy Desplanches broke his Swiss National Record for the eighth time in the final of the men’s 200 IM, becoming the first Swiss male to medal since 1986.
Regan Rathwell kicked off her busy program at the Canadian Junior Championships with a win in the women’s 200 backstroke on Wednesday in Calgary.
Katie Ledecky was among the athletes who were forced to withdraw from an event citing illness at the 2019 World Championships.
The Nitro Swimming boys nearly broke the days old 13-14 National Age Group Record in the 800 free relay, clocking a time of 7:56.51 in Austin.
Individual 200 free entrant Allison Schmitt will contest the prelims of the women’s 4×200 free relay on day five in Gwangju.
Kristof Milak broke Michael Phelps’ 10-year-old world record in the 200 butterfly by almost eight-tenths of a second in a time of 1:50.73.
Federica Pellegrini won a medal in the women’s 200 freestyle for a record eighth straight time and mentioned post-race this will be her last Worlds.
Chad Le Clos may see his gold medal window closing with the emergence of Caeleb Dressel and Kristof Milak in the 100 and 200 fly respectively.
Denys Kesyl broke a 17-year-old Ukrainian Record in the final of the men’s 200 fly, placing fifth overall in a time of 1:54.79.
Jeremy Desplanches broke the Swiss Record in the men’s 200 IM for the seventh time, qualifying first for the final in a time of 1:56.73.
Evgeny Rylov’s 51.97 lead-off propelled Russia to a new National Record in the mixed 400 medley relay. They placed fourth in 3:40.78.