# 2012 FINA World Swimming Championships (25 m) – Women's 50 metre freestyle

The women's 50 metre freestyle event at the 11th FINA World Swimming Championships (25m) took place 15 – 16 December 2012 at the Sinan Erdem Dome.

## Records

Prior to this competition, the existing world and championship records were as follows.
| | Name | Nation | Time | Location | Date |
| World record Championship record | Marleen Veldhuis | Netherlands | 23.25 | Manchester | 13 April 2008 |
No new records were set during this competition.

## Results
### Heats

| Rank | Heat | Lane | Name | Time | Notes |
| 1 | 11 | 4 | Aleksandra Gerasimenya (BLR) | 24.27 | Q |
| 2 | 12 | 4 | Francesca Halsall (GBR) | 24.41 | Q |
| 3 | 12 | 7 | Christine Magnuson (USA) | 24.42 | Q |
| 4 | 10 | 4 | Britta Steffen (GER) | 24.50 | Q |
| 5 | 10 | 7 | Flávia Cazziolato (BRA) | 24.58 | Q |
| 6 | 12 | 5 | Jeanette Ottesen (DEN) | 24.60 | Q |
| 7 | 10 | 3 | Marieke Guehrer (AUS) | 24.64 | Q |
| 8 | 12 | 3 | Svetlana Kniaginina (RUS) | 24.70 | Q |
| 9 | 10 | 2 | Daniela Schreiber (GER) | 24.81 | Q |
| 10 | 12 | 6 | Hanna-Maria Seppälä (FIN) | 24.82 | Q |
| 11 | 11 | 3 | Anna Santamans (FRA) | 24.87 | Q |
| 12 | 10 | 8 | Sally Foster (AUS) | 24.90 | Q |
| 13 | 12 | 0 | Trudi Maree (RSA) | 24.92 | Q |
| 14 | 2 | 4 | Chen Xinyi (CHN) | 24.95 | Q |
| 15 | 10 | 6 | Chantal van Landeghem (CAN) | 24.97 | Q |
| 16 | 12 | 2 | Miki Uchida (JPN) | 25.00 | Q |
| 17 | 11 | 2 | Burcu Dolunay (TUR) | 25.01 | |
| 18 | 10 | 1 | Haruka Ueda (JPN) | 25.09 | |
| 19 | 12 | 1 | Miroslava Najdanovski (SRB) | 25.16 | |
| 20 | 10 | 9 | Miroslava Syllabová (SVK) | 25.18 | |
| 20 | 11 | 7 | Alessandra Marchioro (BRA) | 25.18 | |
| 22 | 10 | 5 | Triin Aljand (EST) | 25.20 | |
| 23 | 9 | 6 | Lehesta Kemp (RSA) | 25.26 | |
| 24 | 11 | 0 | Carolina Colorado Henao (COL) | 25.30 | |
| 25 | 1 | 7 | Wang Haibin (CHN) | 25.32 | |
| 26 | 9 | 4 | Sze Hang Yu (HKG) | 25.33 | |
| 27 | 9 | 3 | Nastja Govejšek (SLO) | 25.41 | |
| 28 | 11 | 6 | Rozaliya Nasretdinova (RUS) | 25.43 | |
| 29 | 9 | 8 | Jenjira Srisaard (THA) | 25.45 | |
| 30 | 11 | 8 | Theodora Drakou (GRE) | 25.53 | |
| 31 | 9 | 7 | Rebecca Turner (GBR) | 25.54 | |
| 32 | 11 | 9 | Amanda Lim (SIN) | 25.75 | |
| 33 | 9 | 5 | Heather MacLean (CAN) | 25.78 | |
| 34 | 12 | 9 | Mylene Ong (SIN) | 25.80 | |
| 35 | 9 | 2 | Julie Meynen (LUX) | 25.82 | |
| 36 | 8 | 2 | Allyson Roxanne Ponson (ARU) | 25.95 | |
| 37 | 6 | 4 | Moira Fraser (ZIM) | 26.26 | |
| 37 | 9 | 1 | Nilüfer Kuru (TUR) | 26.26 | |
| 39 | 9 | 0 | Miriam Corsini (MOZ) | 26.30 | |
| 39 | 10 | 0 | Fernanda González (MEX) | 26.30 | |
| 41 | 8 | 0 | Maria Lopez Nery Huerta (PAR) | 26.37 | |
| 42 | 7 | 6 | Anastasia Bogdanovski (MKD) | 26.48 | NR |
| 43 | 7 | 9 | Karen Torrez (BOL) | 26.54 | NR |
| 44 | 6 | 3 | Sylvia Tanya Brulehner (KEN) | 26.61 | NR |
| 45 | 8 | 3 | Birita Debes (FRO) | 26.64 | |
| 46 | 8 | 9 | Caroline Pickering Puamau (FIJ) | 26.65 | |
| 47 | 8 | 6 | Nicola Muscat (MLT) | 26.68 | NR |
| 48 | 9 | 9 | Lei On Kei (MAC) | 26.73 | |
| 49 | 8 | 5 | Jessica Teixeira Vieira (MOZ) | 26.89 | |
| 50 | 8 | 8 | Isabel Riquelme (CHI) | 26.94 | NR |
| 51 | 5 | 4 | Maria Jose Ribera (BOL) | 27.05 | |
| 51 | 7 | 4 | Anxhela Kashari (ALB) | 27.05 | |
| 53 | 8 | 4 | Kimiko Shihara Raheem (SRI) | 27.07 | |
| 54 | 7 | 8 | Planteau de Maroussem (MRI) | 27.15 | |
| 55 | 7 | 3 | Dalia Tórrez Zamora (NCA) | 27.22 | |
| 56 | 7 | 5 | Jade Howard (ZAM) | 27.24 | |
| 57 | 6 | 0 | Sariyah Sherry (BAR) | 27.25 | |
| 58 | 5 | 2 | Judith Ilan Meauri (PNG) | 27.29 | |
| 59 | 5 | 6 | Ana Sofia Nobrega (ANG) | 27.32 | |
| 60 | 7 | 2 | Monika Vasilyan (ARM) | 27.40 | |
| 61 | 7 | 7 | Jessica Cattaneo (PER) | 27.41 | |
| 62 | 6 | 5 | Ana Joselina Fortin (HON) | 27.52 | |
| 63 | 2 | 2 | Zamantha Hoss (PAN) | 27.65 | |
| 64 | 6 | 8 | Naomi Ruele (BOT) | 27.72 | |
| 65 | 7 | 0 | Oriele Espinoza (PER) | 27.75 | |
| 66 | 7 | 1 | Marie Meza (CRC) | 27.86 | |
| 67 | 6 | 6 | Fabiola Espinoza Herrera (NCA) | 27.89 | |
| 68 | 5 | 3 | Monica Saili (SAM) | 28.08 | |
| 69 | 6 | 1 | Emily Siobhan Muteti (KEN) | 28.14 | |
| 70 | 5 | 5 | Barbara Vali-Skelton (PNG) | 28.22 | |
| 70 | 5 | 8 | Sabine Hazboun (PLE) | 28.22 | |
| 72 | 6 | 2 | Aurelie Fanchette (SEY) | 28.45 | |
| 73 | 2 | 3 | Thet Ei Ei (MYA) | 28.46 | |
| 74 | 6 | 7 | Ann-Marie Hepler (MHL) | 28.47 | |
| 75 | 6 | 9 | Kiran Khan (PAK) | 28.74 | |
| 76 | 5 | 7 | Celeste Brown (COK) | 28.88 | |
| 77 | 2 | 7 | K. Zin Win (MYA) | 29.06 | |
| 78 | 4 | 0 | Kathleen Grace Noble (UGA) | 29.22 | |
| 79 | 2 | 6 | Mariam Foum (TAN) | 29.34 | |
| 79 | 3 | 9 | Domoinanavalona Amboaratiana (MAD) | 29.34 | |
| 81 | 4 | 5 | Aichatou Adelaide Diop (SEN) | 29.50 | |
| 82 | 1 | 2 | Deandra van der Colff (BOT) | 29.58 | |
| 83 | 5 | 1 | Athena Gaskin (GUY) | 29.60 | |
| 84 | 2 | 8 | Dirngulbai Misech (PLW) | 29.77 | |
| 85 | 4 | 6 | Felicity Passon (SEY) | 29.84 | |
| 86 | 4 | 9 | Faith Edorodion (NGR) | 29.85 | |
| 87 | 4 | 2 | Charissa Sofia Panuve (TGA) | 29.98 | |
| 88 | 4 | 1 | Hem Thon Vitiny (CAM) | 30.02 | |
| 89 | 4 | 8 | Merjen Saryyeva (TKM) | 30.11 | |
| 90 | 5 | 0 | Danielle Atoigue (GUM) | 30.16 | |
| 91 | 1 | 1 | Alphonsine Agahozo (RWA) | 30.28 | |
| 92 | 4 | 4 | Angela Kendrick (MHL) | 30.47 | |
| 93 | 3 | 3 | Deliya Saryyeva (TKM) | 30.50 | |
| 94 | 3 | 5 | Shne Joachim (VIN) | 30.58 | |
| 95 | 4 | 7 | Amanda Poppe (GUM) | 30.62 | |
| 96 | 3 | 4 | Aminath Shajan (MDV) | 30.71 | |
| 97 | 3 | 6 | Kibong Tanji (CMR) | 31.67 | |
| 98 | 5 | 9 | Mahnoor Maqsood (PAK) | 31.72 | |
| 99 | 3 | 0 | Roylin Melatik Akiwo (PLW) | 31.76 | |
| 100 | 2 | 9 | Angelika Ouedraogo (BUR) | 31.93 | |
| 101 | 3 | 2 | Shreya Dhital (NEP) | 31.96 | |
| 102 | 1 | 5 | Fatoumata Samassékou (MLI) | 32.80 | |
| 103 | 3 | 1 | Sara Al Flaij (BHR) | 33.52 | |
| 104 | 3 | 7 | Elsie Uwamahoro (BDI) | 33.54 | |
| 105 | 2 | 0 | Khahliso Caroline Mpeta (LES) | 38.45 | NR |
| 106 | 2 | 5 | Ramata Coulibaly (MLI) | 39.65 | |
| 107 | 1 | 3 | Ingrid Bethel Raissa Sanon (BUR) | 41.15 | |
| 108 | 1 | 6 | Daphne Ines Tchamsi (TOG) | 50.63 | |
| | 2 | 1 | Adzo Kpossi (TOG) | DSQ | |
| | 1 | 4 | Jeserik Pinto (VEN) | DNS | |
| | 3 | 8 | Nazlati Mohamed Andhumdine (COM) | DNS | |
| | 4 | 3 | Ophelia Swayne (GHA) | DNS | |
| | 8 | 1 | Christine Briedenhann (NAM) | DNS | |
| | 8 | 7 | Nguyen Thi Kim Tuyen (VIE) | DNS | |
| | 11 | 1 | Mie Nielsen (DEN) | DNS | |
| | 11 | 5 | Jessica Hardy (USA) | DNS | |
| | 12 | 8 | Rūta Meilutytė (LTU) | DNS | |

### Semifinals

| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 4 | Aleksandra Gerasimenya | Belarus | 24.13 | Q |
| 2 | 1 | 3 | Jeanette Ottesen | Denmark | 24.25 | Q |
| 3 | 1 | 5 | Britta Steffen | Germany | 24.27 | Q |
| 4 | 1 | 4 | Francesca Halsall | United Kingdom | 24.49 | Q |
| 4 | 2 | 5 | Christine Magnuson | United States | 24.49 | Q |
| 6 | 2 | 6 | Marieke Guehrer | Australia | 24.50 | Q |
| 7 | 2 | 3 | Flávia Cazziolato | Brazil | 24.55 | Q |
| 8 | 1 | 6 | Svetlana Kniaginina | Russia | 24.57 | Q |
| 9 | 1 | 8 | Miki Uchida | Japan | 24.69 | NR |
| 10 | 2 | 1 | Trudi Maree | South Africa | 24.74 | |
| 11 | 2 | 7 | Anna Santamans | France | 24.80 | |
| 12 | 2 | 8 | Chantal van Landeghem | Canada | 24.81 | |
| 12 | 2 | 2 | Daniela Schreiber | Germany | 24.81 | |
| 14 | 1 | 2 | Hanna-Maria Seppälä | Finland | 24.87 | |
| 15 | 1 | 1 | Chen Xinyi | China | 24.88 | |
| 16 | 1 | 7 | Sally Foster | Australia | 24.97 | |

### Final

The final was held at 20:12.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Aleksandra Gerasimenya | Belarus | 23.64 | NR |
| | 6 | Francesca Halsall | Great Britain | 23.87 | |
| | 5 | Jeanette Ottesen | Denmark | 24.00 | NR |
| 4 | 3 | Britta Steffen | Germany | 24.04 | |
| 5 | 7 | Marieke Guehrer | Australia | 24.36 | |
| 6 | 2 | Christine Magnuson | United States | 24.42 | |
| 7 | 8 | Svetlana Kniaginina | Russia | 24.58 | |
| 8 | 1 | Flávia Cazziolato | Brazil | 24.83 | |