Rank Heat Lane Name Nationality Time Notes 1 7 4 Fu Yuanhui China 27.21 Q 2 6 4 Herasimenia, AliaksandraAliaksandra Herasimenia Belarus 27.65 Q 2 6 5 Medeiros, EtieneEtiene Medeiros Brazil 27.65 Q 4 7 6 Davies, GeorgiaGeorgia Davies Great Britain 27.73 Q 5 7 5 Barratt, HollyHolly Barratt Australia 27.75 Q 6 5 4 Wang Xueer China 27.85 Q 7 5 5 Stevens, HannahHannah Stevens United States 27.89 Q 8 6 6 Seebohm, EmilyEmily Seebohm Australia 27.91 Q 9 6 3 Baker, KathleenKathleen Baker United States 27.94 Q 10 5 3 Fesikova, AnastasiaAnastasia Fesikova Russia 27.96 Q 10 5 7 Berrino, AndreaAndrea Berrino Argentina 27.96 Q 12 6 1 Jallow, MimosaMimosa Jallow Finland 28.05 Q 13 7 3 Masse, KylieKylie Masse Canada 28.10 Q 14 4 4 Tchórz, AlicjaAlicja Tchórz Poland 28.13 Q 15 7 2 Baumrtová, SimonaSimona Baumrtová Czech Republic 28.15 Q 16 7 7 Drakou, TheodoraTheodora Drakou Greece 28.22 Q 17 6 2 Toussaint, KiraKira Toussaint Netherlands 28.30 18 6 9 Yu Hyoun-ji South Korea 28.31 19 5 6 de Waard, MaaikeMaaike de Waard Netherlands 28.42 19 7 1 Dawson, KathleenKathleen Dawson Great Britain 28.42 21 6 7 Lindborg, IdaIda Lindborg Sweden 28.44 22 7 0 Pilhatsch, CarolineCaroline Pilhatsch Austria 28.45 23 5 2 Fa'amausili, GabrielleGabrielle Fa'amausili New Zealand 28.47 24 7 8 Urbańczyk, AleksandraAleksandra Urbańczyk Poland 28.49 25 5 0 Park Han-byeol South Korea 28.52 26 4 6 Jónsdóttir, IngibjörgIngibjörg Jónsdóttir Iceland 28.53 27 4 3 Arcila, IsabellaIsabella Arcila Colombia 28.59 28 4 5 González, FernandaFernanda González Mexico 28.67 29 5 1 Listopadová, KatarínaKatarína Listopadová Slovakia 28.68 30 5 8 Ustinova, DariaDaria Ustinova Russia 28.73 31 6 8 Zevina, DarynaDaryna Zevina Ukraine 28.78 32 7 9 Cini, MathildeMathilde Cini France 28.79 33 4 2 Jóo, SáraSára Jóo Hungary 28.91 34 6 0 Avramova, EkaterinaEkaterina Avramova Turkey 29.11 35 3 5 Ruele, NaomiNaomi Ruele Botswana 29.21 36 3 4 Sepp, SigridSigrid Sepp Estonia 29.24 37 4 8 Toto Wong Hong Kong 29.27 38 4 9 Georgieva, GabrielaGabriela Georgieva Bulgaria 29.29 39 4 0 Chen Szu-chi Chinese Taipei 29.42 40 4 7 Pinto, JeserikJeserik Pinto Venezuela 29.50 41 5 9 Rudenko, YekaterinaYekaterina Rudenko Kazakhstan 29.51 42 3 6 Stickland, LushavelLushavel Stickland Samoa 30.04 43 3 3 Passon, FelicityFelicity Passon Seychelles 30.32 44 4 1 Steina, KristinaKristina Steina Latvia 30.36 45 3 7 Marquez, CelinaCelina Marquez El Salvador 30.38 46 3 2 Antoniou, KaliaKalia Antoniou Cyprus 30.59 47 1 5 Getrouw, XiomaraXiomara Getrouw Suriname 30.74 48 3 8 Fahsi, HibaHiba Fahsi Morocco 30.75 49 3 9 Cermelli, CarolinaCarolina Cermelli Panama 30.77 50 2 8 Ramírez, MónicaMónica Ramírez Andorra 30.96 51 3 1 Vilorio, KarenKaren Vilorio Honduras 31.10 52 2 4 Razafy, Elodie MarionElodie Marion Razafy Madagascar 31.26 53 1 4 Ribera, María JoséMaría José Ribera Bolivia 31.53 54 3 0 Rizkallah, JenniferJennifer Rizkallah Lebanon 31.65 55 2 5 Goginashvili, RusudanRusudan Goginashvili Georgia 31.97 56 2 7 Sousa, CatarinaCatarina Sousa Angola 32.24 57 1 3 Joassaint, BrithenyBritheny Joassaint Haiti 32.45 58 2 9 Cossa, GiselaGisela Cossa Mozambique 34.11 59 2 3 Gittens, GabbyGabby Gittens Antigua and Barbuda 34.16 60 2 1 Young, RobynRobyn Young Swaziland 35.46 61 2 6 Poppe, AmandaAmanda Poppe Guam 35.64 62 1 6 Chang'anamuno, TayamikaTayamika Chang'anamuno Malawi 37.87 63 2 2 Andhumdine, Nazlati MohamedNazlati Mohamed Andhumdine Comoros 48.32