The Women's 400 m Freestyle race at the 2009 World Championships was held on 26 July at the Foro Italico in Rome, Italy.

Records

World record 4:00.41 Pescara, Italy 27 June 2009Championship record 4:02.61 Melbourne, Australia 25 March 2007

The following records were established during the competition:

DateRoundNameNationalityTimeRecord 26 July Heat 6 Federica Pellegrini Italy 4:01.96 CR 26 July Final Federica Pellegrini Italy 3:59.15 WR

Heats Rank Name Nationality Time Heat Lane Notes 1 Federica Pellegrini 4:01.96 6 4 CR 2 Allison Schmitt 4:02.80 6 3 3 Joanne Jackson 4:03.48 5 4 4 Coralie Balmy 4:04.12 5 5 5 Camelia Potec 4:04.25 6 5 6 Ophélie-Cyrielle Étienne 4:05.25 5 6 7 Lotte Friis 4:05.40 4 3 NR 8 Rebecca Adlington 4:05.70 4 4 9 Ellen Fullerton 4:08.31 4 2 10 Erika Villaécija García 4:08.77 5 2 11 Jördis Steinegger 4:09.30 6 7 NR 12 Cecilia Elizabeth Biagioli 4:10.16 4 1 SA 13 Chloe Sutton 4:10.88 6 6 14 Alexa Komarnycky 4:11.35 6 1 15 Wendy Trott 4:11.45 6 2 16 Maiko Fujino 4:11.52 6 0 17 Flavia Zoccari 4:11.58 5 7 18 Andreina Pinto 4:11.79 5 0 NR 19 Nuala Murphy 4:13.51 3 3 20 Savannah King 4:13.58 5 8 21 Patricia Castañeda 4:13.59 4 8 22 Quah Ting Wen 4:13.70 5 9 NR 23 Ren Junni 4:14.07 4 6 24 Elena Sokolova 4:14.38 5 3 25 Susana Escobar 4:14.70 5 1 26 Yanel Pinto 4:14.74 3 6 27 Bronte Barratt 4:15.62 4 5 28 Natsumi Iwashita 4:15.95 4 7 29 Yang Chin-Kuei 4:15.96 6 9 30 Lynette Lim 4:16.35 3 7 31 Paula Żukowska 4:16.64 3 5 32 Ionela Cozma 4:16.79 2 2 33 Niamh O'Sullivan 4:16.80 3 4 34 Nina Cesar 4:17.22 4 0 35 Cho Youn Soo 4:17.59 3 1 36 Nika Karlina Petric 4:18.14 6 8 37 Heysi Villareal 4:20.94 3 0 38 Erica Cirila Totten 4:21.32 2 4 39 Pamela Benitez 4:21.58 3 9 40 Jeong Darae 4:22.99 2 5 41 Kristina Bernice Lennox 4:23.26 3 8 42 Khoo Cai Lin 4:24.48 4 9 43 Kimberley Eeson 4:27.89 3 2 44 Andrea Cedron 4:29.80 2 3 45 Kirsten Lapham 4:33.57 1 3 46 Ting Sheng-Yo 4:33.72 2 1 47 Daniela Kaori Miyahara Coello 4:33.75 2 6 48 Daniela Reyes Hinrichsen 4:34.09 2 7 49 Miriam Hatamleh 4:41.02 2 0 50 Nicole Huerta 4:41.73 1 5 51 Ayesha Noel 4:46.09 2 9 52 Vo Thi Thanh Vy 4:47.11 2 8 53 Diana Al Zamel 4:47.98 1 4 54 Sakina Ghulam 4:59.02 1 6 55 Estellah Fils Rabetsara 5:04.36 1 2 56 Tieri Erasito 5:10.01 1 7 57 Mahnoor Maqsood 5:18.16 1 8 — Sara Abdullahu DNS 1 1

Final Rank Name Nationality Lane Time Notes Federica Pellegrini 4 3:59.15 WR Joanne Jackson 3 4:00.60 NR Rebecca Adlington 8 4:00.79 4 Allison Schmitt 5 4:02.51 5 Coralie Balmy 6 4:03.29 6 Camelia Potec 2 4:03.41 NR 7 Ophélie-Cyrielle Étienne 7 4:04.54 8 Lotte Friis 1 4:07.62

See also Swimming at the 2007 World Aquatics Championships – Women's 400 metre freestyle Swimming at the 2008 Summer Olympics – Women's 400 metre freestyle

External links Worlds 2009 results: Women's 400m Free Prelims, from OmegaTiming.com (official timer of the 2009 Worlds); retrieved 2009-07-27. Worlds 2009 results: Women's 400m Free Finals, from OmegaTiming.com (official timer of the 2009 Worlds); retrieved 2009-07-27.