Swimming at the 2024 Summer Olympics – Women's 100 metre butterfly

Records 

Prior to dis competition, na de existing world deb Olympic records be as follows:
World recordGretchen Walsh (USA)55.18Indianapolis, United States15 June 2024Olympic recordSarah Sjöström (SWE)55.48Rio de Janeiro, Brazil7 August 2016"Swimming: Sjostrom avoids 'disasters' to win 100m butterfly". Reuters. 7 August 2016. Retrieved 27 August 2016.
Na dem establish de record wey dey follow during de competition:
DateRoundNameNationalityTimeRecord27 JulySemifinal 1Gretchen WalshUnited States55.38OR

 Qualification 
National Olympic Committee (NOC) fi enter maximum of two qualified athletes insyd each individual event, buh only if both of dem attain de Olympic Qualifying Time (OQT). One athlete per event fi potentially enter if dem meet de Olympic Consideration Time (OCT), anaa if de total quota of 852 athletes no be targeted. NOCs sanso fi permit swimmers regardless of time (one per gender) under Universality place since dem get no swimmers wey dey attain either of de standard entry times (OQT/OCT)."Paris 2024 – Swimming Info". World Aquatics. 5 April 2022. Retrieved 12 November 2022.Rieder, David (3 April 2022). "Event Changes Likely as Paris 2024 Moves to Nine-Day Schedule of Finals". Swimming World Magazine. Retrieved 12 November 2022.

Dey follow de end of de qualification window, World Aquatics go assess de number of swimmers wey achieve de OQT, de number of relay-only swimmers, den de number of Universality places, before dem invite those plus OCT make dem fulfill de total quota of 852. Additionally, dem go distribute OCT places by event according to de position of de World Aquatics Rankings during de qualifying deadline.

 Time standards 
Dem for obtain de qualifying time standards for de 2023 den 2024 World Championships, continental championships, continental swimming meets, national championships den selection trials, den various international meets dem approve by World Aquatics insyd de period between 1 March 2023 den 23 June 2024."Paris 2024 - Swimming Info". World Aquatics. 3 October 2022.

De table wey dey follow dey outline de qualifying time standards for Paris 2024 for dis event:
Women's eventsEventOQT*OCT^100 m butterfly57.92ª58.21
* OQTs dey correspond to de time dem achieve by fourteenth-place swimmer for ein respective preliminary heat of each event for de previous Games.

ª Secof de fourteenth-place swimmer achieve standard slower dan de OQT insyd Tokyo 2020, de OQT dem use for de previous Games go remain constant.

^ Dem dey derive OCTs by adding 0.5% of de OQT standard.

 Competition format 
De competition dey consist of three rounds: heats, semifinals, den final. De swimmers plus de best 16 times insyd de heats advance go de semifinals. De swimmers plus de best 8 times insyd de semifinals advance go de final. Dem dey use swim-offs as necessary make dem break ties for advancement to de next round.

 Schedule 
All times be Central European Summer Time (UTC+2)
DateTimeRound27 July 202410:00Heats19:37Semifinals28 July 202417:30Final

 Results 

 Heats 
RankHeatLaneSwimmerNationTimeNotes124Zhang YufeiChina56.50Q243Mizuki HiraiJapan56.71Q334Torri HuskeUnited States56.72Q444Gretchen WalshUnited States56.75Q525Emma McKeonAustralia56.79Q645Angelina KöhlerGermany56.90Q735Maggie Mac NeilCanada57.00Q836Alexandria PerkinsAustralia57.46Q941Barbora SeemanováCzech Republic57.50Q, NR1026Marie WattelFrance57.54Q47Roos VanotterdijkBelgium57.54Q1233Louise HanssonSweden57.57Q1342Erin GallagherSouth Africa57.80Q1446Rikako IkeeJapan57.82Q1532Tessa GieleNetherlands57.89Q1638Keanna MacinnesGreat Britain57.90Q1723Lana PudarBosnia and Herzegovina57.971822Hazel OuwehandNew Zealand58.031937Anna NtountounakiGreece58.142014Helena Rosendahl BachDenmark58.452131Costanza CocconcelliItaly58.662228Ellen WalsheIreland58.702327Georgia DamasiotiGreece58.722448Rebecca SmithCanada58.852515Laura CabanesSpain59.402616Varsenik ManucharyanArmenia1:01.242712Oumy DiopSenegal1:01.822811Ana NizharadzeGeorgia1:02.852913Luana AlonsoParaguay1:03.093017María SchutzmeierNicaragua1:03.183118Hayley HoyEswatini1:08.3621Viola Scotto Di CarloItalyDSQ
Sources:"Women's 100m Butterfly - Heats results" (PDF). Olympics. 27 July 2024. Retrieved 27 July 2024."Women's 100m Butterfly - Heats results summary" (PDF). Olympics. 27 July 2024. Retrieved 29 July 2024.

 Semifinals 
De swimmers plus de best 8 times, regardless of heat, advanced go de final.
RankHeatLaneSwimmerNationTimeNotes115Gretchen WalshUnited States55.38Q, OR225Torri HuskeUnited States56.00Q324Zhang YufeiChina56.15Q413Angelina KöhlerGermany56.55Q426Maggie Mac NeilCanada56.55Q623Emma McKeonAustralia56.74Q714Mizuki HiraiJapan56.80Q817Louise HanssonSweden56.93Q912Marie WattelFrance57.241027Roos VanotterdijkBelgium57.25NR1122Barbora SeemanováCzech Republic57.641211Rikako IkeeJapan57.791316Alexandria PerkinsAustralia57.841421Erin GallagherSouth Africa57.901528Tessa GieleNetherlands57.911618Keanna MacinnesGreat Britain58.11
Sources:"Women's 100m Butterfly - Semifinals results" (PDF). Olympics. 27 July 2024. Retrieved 27 July 2024."Women's 100m Butterfly - Semifinals results summary" (PDF). Olympics. 27 July 2024. Retrieved 29 July 2024.

 Final 
RankLaneSwimmerNationTimeNotes5Torri HuskeUnited States55.594Gretchen WalshUnited States55.633Zhang YufeiChina56.2146Angelina KöhlerGermany56.4252Maggie Mac NeilCanada56.4467Emma McKeonAustralia56.9371Mizuki HiraiJapan57.1988Louise HanssonSweden57.34
Sources:"Women's 100m Butterfly - Finals results" (PDF). Olympics. 28 July 2024. Retrieved 29 July 2024.

 References 

Olympic champions insyd women's 100 m butterfly 1956:  Shelley Mann (USA)
 1960:  Carolyn Schuler (USA)
 1964:  Sharon Stouder (USA)
 1968:  Lyn McClements (AUS)
 1972:  Mayumi Aoki (JPN)
 1976:  Kornelia Ender (GDR)
 1980:  Caren Metschuck (GDR)
 1984:  Mary T. Meagher (USA)
 1988:  Kristin Otto (GDR)
 1992:  Qian Hong (CHN)
 1996:  Amy Van Dyken (USA)
 2000:  Inge de Bruijn (NED)
 2004:  Petria Thomas (AUS)
 2008:  Libby Trickett (AUS)
 2012:  Dana Vollmer (USA)
 2016:  Sarah Sjöström (SWE)
 2020:  Maggie Mac Neil (CAN)
 2024:  Torri Huske (USA)
Category:Swimming at de 2024 Summer Olympics
Category:Women's 100 metre butterfly
Category:Women's events at de 2024 Summer Olympics
Category:2024 insyd women's swimming
Category:2024 insyd Paris