Kvindernes 20 km løb ved verdensmesterskaberne i atletik 2011 fandt sted den 31. august.
| Guld | Sølv | Bronze |
| Olga Kaniskina Rusland |
Liu Hong Kina |
Anisya Kirdyapkina Rusland |
| Placere | Navn | Borgerskab | Tid | Noter |
|---|---|---|---|---|
| Olga Kaniskina | Rusland | 1:29:42 | ||
| Liu Hong | Kina | 1:30:00 | ||
| Anisya Kirdyapkina | Rusland | 1:30:13 | ||
| fire | Elisa Rigaudo | Italien | 1:30:44 | SB |
| 5 | Qiyang Shenjie | Kina | 1:31:11 | |
| 6 | Susana Feitor | Portugal | 1:31:26 | |
| 7 | Ana Sabesinha | Portugal | 1:31:36 | |
| otte | Kristina Saltanovich | Litauen | 1:31:40 | SB |
| 9 | Beatrice Pascual | Spanien | 1:31:46 | |
| ti | Ines Henriquez | Portugal | 1:32:06 | |
| elleve | Vera Sokolova | Rusland | 1:32:13 | |
| 12 | Elena Shumkina | Ukraine | 1:32:17 | SB |
| 13 | Maria Vasco | Spanien | 1:32:42 | |
| fjorten | Ni Gao | Kina | 1:32:49 | |
| femten | Renan Lamblay | Australien | 1:33:38 | |
| 16 | Olivia Logan | Irland | 1:34:02 | |
| 17 | Tatyana Mineeva | Rusland | 1:34:08 | |
| atten | Anastasia Yatsevich | Hviderusland | 1:34:09 | |
| 19 | Jami Franco | Guatemala | 1:34:36 | |
| tyve | Kumi Otoshi | Japan | 1:34:37 | |
| 21 | Claire Tallent | Australien | 1:34:46 | |
| 22 | Mayumi Kawasaki | Japan | 1:35:03 | |
| 23 | Jonna Jackson | Storbritanien | 1:35:32 | |
| 24 | Nadezhda Borovskaya-Prokopchuk | Ukraine | 1:35:38 | |
| 25 | Lucy Pelantova | tjekkisk | 1:35:45 | |
| 26 | Yong-on Zhon | Republikken Korea | 1:35:52 | SB |
| 27 | Claudia Stef | Rumænien | 1:36:55 | |
| 28 | Agnese Pastare | Letland | 1:37:48 | |
| 29 | Brigita Virbalaite | Litauen | 1:38:39 | |
| tredive | Maria Michta | USA | 1:38:54 | |
| 31 | Maria Chakova | Slovakiet | 1:39:07 | |
| 32 | Arabelli Orhuela | Colombia | 1:39:28 | |
| 33 | Ingrid Hernandez | Colombia | 1:39:53 | |
| 34 | Susana Shindlerova | tjekkisk | 1:39:57 | |
| 35 | Marie Polly | Schweiz | 1:40:28 | |
| 36 | Millangela Rosales | Venezuela | 1:40:49 | |
| 37 | Rachel Lavalier Simen | Canada | 1:43:31 | |
| 38 | Grace Wanjiru Njue | Kenya | 1:43:59 | |
| 39 | Yadira Guaman | Ecuador | 1:45:15 | |
| 40 | Jaima Trabelsi | Tunesien | 1:46:29 | |
| Claudia Balderamma | Bolivia | DSQ | ||
| Maria José Poves | Spanien | DSQ | ||
| Victoria Madaras | Ungarn | DSQ | ||
| Neringa Aidityte | Litauen | DSQ | ||
| Maria Guadalupe Sanchez | Mexico | DSQ | ||
| Olga Yakovenko | Ukraine | DSQ | ||
| Sabina Krantz | Tyskland | DNF | ||
| Melanie Seager | Tyskland | DNF | ||
| Masumi Fuchise | Japan | DNF | ||
| Semikha Mutlu | Kalkun | DNF |
SB er sæsonens bedste resultat.