Kira Toussaint broke the Dutch Record in the 100 back leading off their medley relay in Glasgow.
Yuliya Efimova produced the fastest breaststroke split in history – 1:03.95 – as the Russian women won the 400 medley relay in Glasgow in a new Championship Record.
Cate Campbell anchored the Australians in 50.93, the fastest female freestyle leg in history, as they won gold in the 400 mixed medley relay in a new Commonwealth Record.
Katie Ledecky broke her own meet record to win gold in the women’s 800 free at the Pan Pacific Championships.
Although he finished off the podium, young star Lewis Clareburt of New Zealand still made his mark on the men’s 400m IM on day 1 of the Pan Pacific Championships.
Rikako Ikee lowered her own 200 free Asian Record to win silver at the Pan Pacific Championships.
Taylor Ruck lowered her own Canadian Record to win the women’s 200 free in Tokyo.
Ariarne Titmus broke the Oceanian and Australian Records in the women’s 800 freestyle at the Pan Pacific Championships.
In her first race of the 2018 Pan Pacific Championships, Katie Ledecky lowered the meet record in 200 free prelims by over half a second.
Mykhailo Romanchuk knocked nearly three seconds off his Ukrainian Record to win gold in the men’s 800 freestyle.
Ben Proud just threw down a 50m freestyle time of 21.11 to log the 5th fastest performance ever and the fastest since 2009.
Yuliya Efimova established a new European Championship meet record of 29.66 in the women’s 50 breaststroke semi-finals.
Simonas Bilis broke his own Lithuanian Record to win a swim-off and advance to tomorrow’s 50 free final at the European Championships in 21.70.
The record-breaking swim comes at the end of a season that saw Rylov battling a shoulder injury all year.
The men’s 50 free semi-final was FAST.