Fourteen-year-old Georgina Lee claimed five gold medals for Chester-le-Street ASC at the Peterlee and Derwentside County Qualifier.
Georgina’s golden haul began with comfortable victories in the 200m freestyle (2.15.61), 100m butterfly (1.12.52) and the 200m butterfly (2.37.02).
However, she had to battle with team-mate Anna Turnbull (16) before she could claim her remaining gold medals.
The 100m freestyle event saw an exciting duel between the two, with Georgina finally touching home just 0.26 second ahead in 1.04.45.
While the backstroke battle was decided by a margin of just over a second, with a winning time of 2.33.89.
Georgina also went on to add a 200m individual medley bronze medal to her haul, while Anna added a further 50m butterfly silver and a 100m backstroke bronze medal to her brace of silver medals.
Thirteen-year-old Rebekah Heppell triumphed in the backstroke and butterfly sprint events, with respective 34.26 and 32.73 finishes.
She also collected silver medals from the 100m freestyle and a very close 200m freestyle event, where a mere 0.08 of a second separated the top three.
Rebecca Hall, of Sedgefield, took the gold medal in 2.22.31, with Rebekah touching home in second spot ahead of team-mate Faye Burns by an amazing one hundredth of a second in 2.22.38.
Faye also went on to collect two further bronze medals from the 200m butterfly and the 200m individual medley events.
Hannah Wright (11) topped the podium in the 100m breaststroke (1.32.68) and collected a hat-trick of backstroke silver medals from the 50m, 100m and 200m events.
Ten-year-old Joseph Fairbairn collected the Cestrians’ remaining gold medal in the 200m freestyle with a time of 2.47.62.
Fifteen-year-old Grace Routledge won the 200m butterfly silver medal, while ten-year-old Benjamin Glanville took home the 100m breaststroke bronze.
Colby McKim (9), Ben Ward, Naomi Sheavills, Darcy Fyfe, Ella Hall, Isla Smith (all 10), Jessica Wright (11), Drew Frame, Lee Hitchman, Luke Pye, Bethany Grey (all 12), Abigail Openshaw (14), Emily Thornton and Rebecca Cooper (both 15) also performed well for Chester-le-Street.