GLASGOW, Scotland (AP) — Add a full tenth of a second to Adam Peaty's latest world record time — and it is still a world record.
On Sunday, the British swimmer was in the unusual situation of having his best mark in the 100-meter breaststroke at the European Championships corrected to 57.10 seconds from the 57.00 time shown at Saturday's race.
The European aquatics federation (LEN) said there was "a problem with the race timing equipment" during the first nine races of Saturday's afternoon session, which included the 100 breaststroke final where Olympic champion Peaty improved his own previous best mark of 57.13 from the Rio de Janeiro Games.
"The starting mechanism had been incorrectly configured prior to the start of the session which resulted in all reported times being 0.10s faster due to a configuration delay of 0.10s," LEN said in a statement.
The federation added it worked with the timing system operators and "carried out extensive tests to confirm this system configuration error," and it has "revised all recorded times for the first nine races during that session."
Also, LEN confirmed that all times from earlier sessions and after the ninth race of the session in question were accurate.
The other world record in the same session an hour later, by Russian swimmer Kliment Kolesnikov in the 50-meter backstroke, remained unaffected and was confirmed at 24.00.
Chris Spice, British Swimming's national performance director, said in a statement that "we support LEN's vigilance in this matter and appreciate the time they have taken to make sure all times are correct.
"We want this event to be remembered for the amazing achievements of the athletes so it is important that the results are correct," Spice said. "We don't want this to take away from Adam's amazing performance which we all experienced in a fantastic arena."
Hours after the LEN announcement, Peaty posted a video of the race to his Instagram account but did not comment on the matter. The footage stops abruptly just before he touched the wall so no finishing time is displayed.
"Thanks for all your messages! I'm doing what I love and moments like these make it all worthwhile. #followyourdream #workhard," Peaty wrote.
Although there was no immediate doubt about the timing after Saturday's race, Peaty's reaction time at the start was measured at an extraordinary 0.47, which has now been corrected to 0.57.
It was the 10th world record for the 23-year-old Peaty, who has the 14 fastest times in the discipline and is the only swimmer to beat the 58-second mark.
Last autumn he announced "Project 56," his ambition to go under 57 as well.
Peaty, who is a five-time world champion, can win his 10th European long-course title in the 50-meter breaststroke on Wednesday.
Copyright 2018 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.