
Olympic golden girls Mollie O'Callaghan, Kaylee McKeown and Emma McKeon and medley star Se-Bom Lee produced the headlining performances as the New South Wales state swimming championships came to a close at Sydney Olympic Park Aquatic centre.
O'Callaghan, the 100m freestryle world champion from Budapest last year, toppled Olympic champion and training partner Ariarne Titmus in an epic 200m freestyle final on Sunday.