By Will Baxley on SwimSwam
To kick off the second night of Australian Swimming Trials, 17-Year-Old Sienna Toohey put together a statement swim. The Albury native threw down a 1:05.97 100 breaststroke to break an iconic age record and become the fastest Australian in the post-supersuit era.
The 17-year-old age record previously belonged to all-time great Leisel Jones. She posted a 1:06.37 at the same age at the 2003 World Championships in Barcelona, which was a new world record at the time. Toohey had previously been nipping at that record’s heels when she went her previous lifetime best of 1:06.43 at Australia’s Age Championships in April. See the split comparison below.
Sienna Toohey,2026 Australian Trials Leisel Jones, 2003 World Championships Semi-Finals Sienna Toohey, 2026 Australian Age Championships 50 30.58 31.40 31.46 100 1:05.97(35.39) 1:06.37(34.97) 1:06.43(34.97)
Tonight, Toohey distinguished herself from her old best and 17-year-old Jones with a blistering first 50 of 30.58. This made her too quick to catch on the second 50. She now moves into third all time among Aussies, and she surpasses Chelsea Hodges as the fastest post-supersuit swimmer from the nation.
All-Time Australian Performers, Women’s 100 Breaststroke (LCM)
Leisel Jones, 1:05.09 – 2006 Sarah Katsoulis, 1:05.86 – 2009 Sienna Toohey, 1:05.97 – 2026 Chelsea Hodges, 1:05.99 – 2021 Tarnee White, 1:06.04 – 2008The swim also proves hopeful for Australia on the contemporary world stage. This season, she checks in as the 5th fastest performer. Among both Commonwealth and Pan Pac countries, which she has punched tickets for, she sits among the top three.
2025-2026 LCM Women 100 BREASTAngharadGBREvans04/191:04.962Tang Qianting CHN1:05.3611/123Satomi SuzukiJPN1:05.5309/144BenedettaPILATOITA1:05.8006/075SiennaTooheyAUS1:05.9706/09View Top 26»
A 1:05.97 100 breast would’ve qualified for the Paris 2024 and Singapore 2025 finals. Australia has not had an Olympic or Worlds qualifier in the event since 2019.
On the women’s medley relay front, if Toohey can replicate this speed, it places Australia as an even clearer world #2 behind the United States. At the 2025 World Championships, teh Aussies earned the silver, about three seconds behind the Americans and two seconds ahead of China with Ella Ramsay on breaststroke. Ramsay also had a big swim of 1:06.70 for runner-up tonight, which is a new best for the 21-year-old.
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