British swimmer Adam Peaty improved his own world record in the 100-meter breaststroke to 57 seconds while Russian swimmer Kliment Kolesnikov set another world record in the men's 50-meter backstroke at the European Championships on Saturday.
The Olympic champion shaved 0.13 off his previous best mark, which he swam at the Rio de Janeiro Games two years ago.
Peaty has the 14 fastest times in the discipline, and he is the only swimmer to beat the 58-second mark.
Peaty was still far from another world record in his heat (57.89) and in the semifinals (58.04) on Friday, but announced he "would be on my full game" for the final.
With a reaction time at the start of just 0.47, Peaty looked sharp from the beginning of the race. He never had his lead under threat. He beat James Wilby by 1.54 for a British 1-2 finish.
Anton Chupkov of Russia finished 1.96 behind in third.
It's Peaty's ninth European long-course title, to add to his five world titles.
In the buildup, Peaty said he wasn't focusing on setting world records or below-57 finishing times anymore after his disappointing showing at the Commonwealth Games.
On the Gold Coast in April, he won the 100 breaststroke in only 58.84, and suffered a first defeat in four years in the 50 breaststroke, where he was edged by South Africa's Cameron van der Burgh.
Peaty said he would seek redemption at the European Championships, and to get confirmation he was still well ahead of the competition with the Tokyo Olympics two years away.
Russian teen Kolesnikov breaks 50m backstroke world record
Kliment Kolesnikov broke the men's 50m backstroke world record at the European Championships in Glasgow on Saturday.
The 18-year-old Russian clocked a time of 24.00 seconds to win gold, shaving 0.04sec off the previous mark set by Britain's Liam Tancock in 2009.
Romania's Robert-Andrei Glinta was second in 24.55 while Ireland's Shane Ryan finished third in 24.64.
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