American Gretchen Walsh broke the world record once again in the 100m butterfly, taking the record from 54.05 at the start of the year to 52.71 to close out 2024. Walsh left the field in the dust as Tessa Giele (54.66) had a huge swim to win the silver medal to move up to fifth all-time.Australia’s Alexandria Perkins (55.10) broke the Oceania record in winning the bronze medal ahead of defending bronze medalist Louise Hansson (55.23) of Sweden.Japan’s Mizuki Hirai (55.61), Ireland’s Ellen Walshe (55.68), Australia’s Lily Price (55.82) and Finland’s Laura Lahtinen (56.92) also swam in the championship final.
