The Women's 100 metre breaststroke competition at the 2024 World Aquatics Championships was held on 12 and 13 February 2024.

Qualification

Each National Federation was permitted to enter a maximum of two qualified athletes in each individual event, but only if both of them had attained the "A" standard qualification time at approved qualifying events. For this event, the "A" standard qualification time was 1:07.35. Federations could enter one athlete into the event if they met the "B" standard qualification time. For this event, the "B" standard qualification time was 1:09.71. Athletes could also enter the event if they had met an "A" or "B" standard in a different event and their Federation had not entered anyone else. Additional considerations applied to Federations who had few swimmers enter through the standard qualification times. Federations in this category could at least enter two men and two women into the competition, all of whom could enter into up to two events.

Records Prior to the competition, the existing world and championship records were as follows.

Results Heats The heats were started on 12 February at 10:04.

Rank Heat Lane Name Nationality Time Notes 1 5 7 Tang Qianting 1:06.16 Q 2 4 4 Tes Schouten 1:06.46 Q 3 5 4 Mona McSharry 1:06.49 Q 4 6 7 Alina Zmushka Neutral Independent Athletes 1:06.77 Q 5 5 3 Yang Chang 1:06.80 Q 6 6 2 Kotryna Teterevkova 1:06.85 Q 7 6 3 Letitia Sim 1:06.97 Q 8 6 6 Dominika Sztandera 1:07.17 Q 9 4 5 Sophie Hansson 1:07.19 Q 10 6 5 Benedetta Pilato 1:07.24 Q 11 5 1 Sophie Angus 1:07.37 Q 12 5 5 Siobhán Haughey 1:07.41 Q 13 4 3 Arianna Castiglioni 1:07.48 Q 14 4 6 Macarena Ceballos 1:07.61 Q 14 5 6 Lara van Niekerk 1:07.61 Q 16 4 2 Lisa Mamié 1:07.75 Q 17 6 4 Rūta Meilutytė 1:07.79 18 6 1 Piper Enge 1:08.14 19 4 1 Ida Hulkko 1:08.21 20 6 8 Stefanía Gómez 1:08.67 21 4 7 Jimena Ruiz 1:08.74 22 4 0 Ana Blažević 1:08.88 23 4 8 Melissa Rodríguez 1:08.91 24 3 5 Kristýna Horská 1:08.95 25 5 2 Abbey Harkin 1:09.01 26 3 8 Thanya Dela Cruz 1:09.12 27 5 8 Ana Rodrigues 1:09.82 28 3 4 Moon Su-a 1:09.93 29 3 3 Emily Santos 1:09.96 30 3 2 Adelaida Pchelintseva 1:10.16 31 5 9 Silje Slyngstadli 1:10.42 32 6 0 Lin Pei-wun 1:10.77 33 5 0 Ana Carolina Vieira 1:10.83 34 3 0 Lanihei Connolly 1:10.87 35 3 6 Phee Jinq En 1:11.31 36 6 9 Tara Vovk 1:11.81 37 3 1 Chen Pui Lam 1:12.08 38 2 4 Rhanishka Gibbs 1:12.27 39 3 7 Nicole Frank 1:12.81 40 2 2 Marina Abu Shamaleh 1:14.15 41 1 6 Tessa Ip Hen Cheung 1:14.25 42 3 9 Imane El Barodi 1:14.55 43 2 3 Ellie Shaw 1:15.20 44 2 5 Kelera Mudunasoko 1:15.64 45 2 6 Tara Aloul 1:15.87 46 2 7 Naiara Roca 1:16.41 47 2 1 Lara Dashti 1:18.83 48 2 8 Maria Battalones 1:19.79 49 1 5 Hayley Wong 1:20.28 50 2 0 Makelyta Singsombath 1:23.98 51 2 9 Taeyanna Adams 1:24.70 52 1 3 Troya Pina 1:25.17 53 1 4 Mariama Touré 1:37.98 4 9 Martina Bukvić Did not start

Semifinals The semifinals were held on 12 February at 19:28.

Rank Heat Lane Name Nationality Time Notes 1 2 4 Tang Qianting 1:05.36 Q 2 2 5 Mona McSharry 1:06.11 Q 3 2 3 Yang Chang 1:06.27 Q 4 1 4 Tes Schouten 1:06.30 Q 5 1 7 Siobhán Haughey 1:06.41 Q 6 1 5 Alina Zmushka Neutral Independent Athletes 1:06.53 Q 7 1 3 Kotryna Teterevkova 1:06.61 Q 8 2 7 Sophie Angus 1:06.66 Q 9 1 2 Benedetta Pilato 1:06.70 10 2 2 Sophie Hansson 1:06.78 11 2 6 Letitia Sim 1:07.14 12 1 6 Dominika Sztandera 1:07.20 13 2 8 Lara van Niekerk 1:07.25 14 1 8 Lisa Mamié 1:07.48 15 1 1 Macarena Ceballos 1:07.49 16 2 1 Arianna Castogiloni 1:07.57

Final The final was held on 13 February at 20:45.

Rank Lane Name Nationality Time Notes 4 Tang Qianting 1:05.27 NR 6 Tes Schouten 1:05.82 2 Siobhán Haughey 1:05.92 NR 4 1 Kotryna Teterevkova 1:06.02 5 5 Mona McSharry 1:06.42 6 7 Alina Zmushka Neutral Independent Athletes 1:06.58 7 3 Yang Chang 1:06.75 8 8 Sophie Angus 1:07.09

References

Sources