The Women's 100 metre breaststroke competition at the 2019 World Championships was held on 22 and 23 July 2019.ScheduleStart list

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

Results Heats The heats were held on 22 July at 10:38.Heats results

Rank Heat Lane Name Nationality Time Notes 1 5 4 Lilly King 1:06.31 Q 2 6 4 Yuliya Yefimova 1:06.58 Q 3 6 2 Martina Carraro 1:06.62 Q 4 6 3 Tatjana Schoenmaker 1:06.76 Q 5 4 4 Reona Aoki 1:06.81 Q 6 5 2 Yu Jingyao 1:06.91 Q 7 5 3 Arianna Castiglioni 1:07.09 Q 8 5 6 Alia Atkinson 1:07.25 Q 9 6 8 Fanny Lecluyse 1:07.27 Q, NR 10 6 7 Lisa Mamie 1:07.30 Q, NR 11 6 6 Jessica Vall 1:07.32 Q 12 6 5 Jessica Hansen 1:07.38 Q 13 4 7 Molly Renshaw 1:07.43 Q 14 4 5 Anna Belousova 1:07.56 Q 15 4 1 Alina Zmushka 1:07.69 Q 16 5 5 Micah Sumrall 1:07.81 Q 17 4 6 Tes Schouten 1:08.01 18 4 3 Kierra Smith 1:08.05 19 4 8 Ida Hulkko 1:08.34 20 5 7 Sophie Hansson 1:08.39 21 5 9 Back Su-yeon 1:08.52 22 5 8 Kotryna Teterevkova 1:08.64 22 6 0 Anna Sztankovics 1:08.64 24 6 1 Yeung Jamie Zhen Mei 1:08.70 24 6 9 Anna Elendt 1:08.70 26 3 5 Maria Romanjuk 1:08.95 27 3 4 Phee Jinq En 1:09.05 27 3 6 Viktoriya Zeynep Güneş 1:09.05 29 4 0 Matilde Schroder 1:09.62 30 5 0 Weronika Hallmann 1:09.72 31 4 2 Shi Jinglin 1:09.88 32 3 0 Ema Rajić 1:10.10 33 3 3 Tatiana Chișca 1:10.16 33 5 1 Niamh Coyne 1:10.16 35 3 1 Margaret Higgs 1:10.65 36 4 9 Lin Pei-wun 1:10.74 37 2 4 Nàdia Tudó Cubells 1:11.53 NR 38 3 8 María Jiménez Peon 1:11.83 39 3 2 Anandia Evato 1:12.96 40 3 7 Adelaida Pchelintseva 1:13.24 41 2 2 Lei On Kei 1:14.11 42 3 9 Tilka Paljk 1:15.02 43 2 6 Maria Brunlehner 1:15.09 44 1 3 Jayla Pina 1:16.00 45 2 8 Tilali Scanlan 1:16.03 46 2 7 Moana Wind 1:16.56 47 1 2 Darya Semyonova 1:16.73 48 2 5 Amy Micallef 1:17.06 49 2 3 Kirsten Fisher-Marsters 1:17.19 50 1 6 Chinelo Iyadi 1:20.48 51 1 7 Evita Leter 1:20.89 52 2 0 Mishael Ayub 1:22.76 53 2 9 Taeyanna Adams 1:26.13 54 2 1 Nooran Ba Matraf 1:26.30 55 1 4 Sajina Aishath 1:27.10 NR 1 5 Mariana Touré

Semifinals The semifinals were held on 22 July at 20:29.Semifinals results

Semifinal 1 Rank Lane Name Nationality Time Notes 1 4 Yuliya Yefimova 1:05.56 Q 2 5 Tatjana Schoenmaker 1:06.61 Q 3 3 Yu Jingyao 1:06.85 Q 4 7 Jessica Hansen 1:06.98 5 2 Lisa Mamie 1:07.11 NR 6 6 Alia Atkinson 1:07.11 7 1 Anna Belousova 1:07.17 8 8 Micah Sumrall 1:07.94

Semifinal 2 Rank Lane Name Nationality Time Notes 1 4 Lilly King 1:05.66 Q 2 3 Reona Aoki 1:06.30 Q 3 5 Martina Carraro 1:06.39 Q, NR 4 1 Molly Renshaw 1:06.73 Q 5 2 Fanny Lecluyse 1:06.97 , NR 6 6 Arianna Castiglioni 1:06.97 7 7 Jessica Vall 1:07.46 8 8 Alina Zmushka 1:07.69

Swim-off The swim-off was held on 22 July at 21:31.Swim-off results

Rank Lane Name Nationality Time Notes 1 5 Arianna Castiglioni 1:06.39 Q, =NR 2 4 Fanny Lecluyse 1:07.22

Final The final was held on 23 July at 21:47.Final results

Rank Lane Name Nationality Time Notes 5 Lilly King 1:04.93 4 Yuliya Yefimova 1:05.49 6 Martina Carraro 1:06.36 NR 4 3 Reona Aoki 1:06.40 5 1 Yu Jingyao 1:06.56 6 2 Tatjana Schoenmaker 1:06.60 7 7 Molly Renshaw 1:06.96 8 8 Arianna Castiglioni 1:07.06

References