The aptly-named Julia Bak dropped more than a second in the 100 backstroke with a winning time of 56.42, jumping up to 19th in the 11-12 girls NAG rankings.
The recent onslaught on the record books has left just four NAG standards remaining from the 1970s, two from the 1980s, and 13 total from the 20th century.
Amidst a bevy of elite age groupers, U.S. Olympic medalist and 2022 world champion Kieran Smith was in the field at the annual NCAP Invitational in Maryland.