A team of 22 Abingdon Vale members collected a huge haul of 28 gold medals from the first competitive meet of the season in Milton Keynes.
The club also claimed 17 silvers and 12 bronzes.
There was a strong showing from the nine-year-olds, including Orla Forrestal and Felix Sissins-Roffey, who won six medals in only his second competititon.
Of the older swimmers, Max Bolcato took six gold and two silver medals, Cameron Bullock won four golds.
Alice Martin, Jana Cooper-Marcos, Natalia Druett, and Lottie James won medals in every race they swam.
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