19-year-old Olympic medalist Mollie O'Callaghan clocked a new lifetime best in the 100m freestyle to add a 3rd event to her World Championships lineup.
Reigning Olympic champion Emma McKeon and defending world champion Mollie O'Callaghan are among a stacked group of competitors in the women's 100 freestyle.
World Record holder and reigning Olympic champion Zac Stubblety-Cook will contest his signature 200m breast on night five of the 2023 Auswsie World Trials.