The Women's 100 metre butterfly competition at the 2019 World Championships was held on 21 and 22 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 21 July at 10:45.Heats results Rank Heat Lane Name Nationality Time Notes 1 6 4 Sarah Sjöström 56.45 Q 2 4 4 Emma McKeon 56.90 Q 3 6 5 Maggie MacNeil 57.10 Q 4 6 3 Elena Di Liddo 57.18 Q, NR 5 5 4 Kelsi Dahlia 57.22 Q 6 6 7 Marie Wattel 57.23 Q 7 4 5 Louise Hansson 57.50 Q 8 5 6 Katie McLaughlin 57.67 Q 9 5 2 Anna Ntountounaki 57.88 Q 9 5 5 Brianna Throssell 57.88 Q 11 5 7 Angelina Köhler 57.92 Q 12 4 3 Zhang Yufei 58.02 Q 13 5 3 Svetlana Chimrova 58.10 Q 14 4 2 Rebecca Smith 58.20 Q 15 6 6 Ilaria Bianchi 58.26 Q 16 6 8 Hiroko Makino 58.33 Q 17 4 1 Farida Osman 58.43 18 5 1 Wang Yichun 58.51 19 5 8 Suzuka Hasegawa 58.71 20 6 2 Béryl Gastaldello 58.83 21 5 0 Park Ye-rin 58.99 22 3 4 Amina Kajtaz 59.08 NR 23 4 6 Erin Gallagher 59.21 24 4 7 Alys Thomas 59.25 25 6 1 Kimberly Buys 59.26 26 6 0 Liliána Szilágyi 59.32 27 5 9 Paulina Nogaj 59.82 28 4 8 Emilie Beckmann 59.94 29 4 9 Ana Monteiro 1:00.37 30 3 3 Remedy Rule 1:00.42 NR 31 3 7 Aksana Dziamidava 1:00.51 32 3 6 Chan Kin Lok 1:00.64 33 3 2 Aleyna Özkan 1:00.68 34 3 8 Krystal Lara 1:00.79 35 3 1 Ellen Walshe 1:00.85 36 3 5 Isabella Páez 1:01.27 37 4 0 Quah Jing Wen 1:01.49 38 6 9 Miriam Guevara 1:01.51 39 1 5 Alexis Margett 1:02.59 40 2 3 Emily Muteti 1:02.88 41 3 9 Julimar Ávila 1:03.64 42 3 0 Celina Márquez 1:03.93 43 2 4 Lia Ana Lima 1:04.40 44 1 4 Bisma Khan 1:07.19 45 1 3 Robyn Lee 1:07.63 46 2 2 Katie Rock 1:07.85 47 2 6 Yusra Mardini FINA Independent Athletes 1:08.79 48 2 0 Moana Wind 1:10.86 49 2 5 Aniqah Gaffoor 1:12.63 50 2 8 Khuyagbaataryn Enkhzul 1:14.23 51 2 7 Avice Meya 1:19.69 52 2 1 Lucie Kouadio-Patinier 1:26.46

Semifinals The semifinals were held on 21 July at 20:12.Semifinals results

Semifinal 1 Rank Lane Name Nationality Time Notes 1 3 Marie Wattel 57.00 Q 2 4 Emma McKeon 57.01 Q 3 2 Brianna Throssell 57.02 Q 4 5 Elena Di Liddo 57.04 Q, NR 5 6 Katie McLaughlin 57.23 6 1 Rebecca Smith 57.59 7 7 Zhang Yufei 57.93 8 8 Hiroko Makino 58.49

Semifinal 2 Rank Lane Name Nationality Time Notes 1 4 Sarah Sjöström 56.29 Q 2 5 Maggie MacNeil 56.52 Q 3 3 Kelsi Dahlia 57.06 Q 4 6 Louise Hansson 57.10 Q 5 1 Svetlana Chimrova 57.78 6 8 Ilaria Bianchi 57.92 7 7 Angelina Köhler 57.93 8 2 Anna Ntountounaki 57.99

Final The final was held on 22 July at 20:10.Final results

Rank Lane Name Nationality Time Notes 5 Maggie MacNeil 55.83 AM 4 Sarah Sjöström 56.22 6 Emma McKeon 56.61 4 7 Elena Di Liddo 57.07 5 2 Brianna Throssell 57.09 6 1 Kelsi Dahlia 57.11 7 8 Louise Hansson 57.16 8 3 Marie Wattel 57.29

References