# Athletics at the 2012 Summer Paralympics – Women's 400 metres T12

| Athletics at the 2012 Summer Paralympics | Athletics at the 2012 Summer Paralympics | Athletics at the 2012 Summer Paralympics | Athletics at the 2012 Summer Paralympics | Athletics at the 2012 Summer Paralympics | |
| Classification |||||||
| T/F11–13: Blind and visually impaired |||||||
| T/F20: Intellectual disability |||||||
| T/F31–38: Cerebral palsy |||||||
| F40: Les Autres |||||||
| T/F42–46: Amputees |||||||
| T/F51–58: Spinal cord disability |||||||
| Men T/F11–13 |||||||
| Track |||||||
| 100 m | T11 | | T12 | | T13 |
| 200 m | T11 | | T12 | | T13 |
| 400 m | T11 | | T12 | | T13 |
| 800 m | | | T12 | | T13 |
| 1500 m | T11 | | | | T13 |
| 5000 m | T11 | | T12 | | |
| 4×100 m relay | T11–13 | T11–13 | T11–13 | T11–13 | T11–13 |
| Road |||||||
| Marathon | | | T12 | | |
| Field |||||||
| Long jump | F11 | | | | F13 |
| Triple jump | F11 | | F12 | | |
| Shot put | F11–12 | F11–12 | F11–12 | | |
| Discus throw | F11 | | | | |
| Javelin throw | | | F12–13 | F12–13 | F12–13 |
| Women T/F11–13 |||||||
| Track |||||||
| 100 m | T11 | | T12 | | T13 |
| 200 m | T11 | | T12 | | |
| 400 m | | | T12 | | T13 |
| 1500 m | | | T12 | | |
| Field |||||||
| Long jump | F11–12 | F11–12 | F11–12 | | F13 |
| Shot put | F11–12 | F11–12 | F11–12 | | |
| Discus throw | F11–12 | F11–12 | F11–12 | | |
| Javelin throw | | | F12–13 | F12–13 | F12–13 |
The Women's 400 metres T12 event at the 2012 Summer Paralympics took place at the London Olympic Stadium from 2 to 4 September. The event consisted of 4 heats, 2 semifinals and a final.
The T12 category is for athletes with visual impairment. Athletes in this category will generally have some residual sight, the ability to recognise the shape of a hand at a distance of 2 metres and the ability to perceive clearly will be no more than 2/60. T12 athletes commonly run with guides.

## Records

Prior to the competition, the existing World and Paralympic records were as follows:
| World record (T11) | Terezinha Guilhermina (BRA) | 56.14 | 18 August 2007 | Rio de Janeiro, Brazil |
| Paralympic record (T11) | Purificación Santamarta (ESP) | 56.83 | 25 October 2000 | Sydney, Australia |
| World & Paralympic record (T12) | Assia El Hannouni (FRA) | 53.67 | 27 September 2004 | Athens, Greece |

## Results
### Round 1

Competed 2 September 2012 from 12:14. Qual. rule: winner of each heat (Q) plus the 4 fastest other times (q) qualified.

#### Heat 1

| Rank | Athlete | Country | Class | Time | Notes |
| 1 | Assia El Hannouni | France | T12 | 55.04 | Q, PB |
| 2 | Daniela Velasco Guide: Jose Guadalupe Fuentes Ortiz | Mexico | T12 | 58.33 | q, PB |
| 3 | Maria Muchavo | Mozambique | T12 | 1:03.68 | SB |

#### Heat 2

| Rank | Athlete | Country | Class | Time | Notes |
| 1 | Oxana Boturchuk | Ukraine | T12 | 57.30 | Q, SB |
| 2 | Maria Gomes Da Silva Guide: Albano Pedro Zongo | Angola | T11 | 1:01.78 | q, PB |
| 3 | Hanah Ngendo Mwangi | Kenya | T12 | DQ | |
| 4 | Jerusa Geber Santos Guide: Luiz Henrique Barboza Da Silva | Brazil | T11 | DQ | |

#### Heat 3

| Rank | Athlete | Country | Class | Time | Notes |
| 1 | Elisabetta Stefanini Guide: Massimo di Marcello | Italy | T12 | 1:02.57 | Q |
| 2 | Miroslava Sedlackova Guide: Michal Prochazka | Czech Republic | T11 | 1:03.34 | q |
| 3 | Casandra G. Cruz Monroy Guide: Jovan Blancas Garcia | Mexico | T11 | 1:05.10 | PB |
| 4 | Katherina Taylor Guide: Hugo Lombardo | Panama | T11 | 1:14.76 | SB |

#### Heat 4

| Rank | Athlete | Country | Class | Time | Notes |
| 1 | Zhu Daqing Guide: Zhang Hui | China | T12 | 59.58 | Q, SB |
| 2 | Terezinha Guilhermina Guide: Guilherme Soares de Santana | Brazil | T11 | 1:00.01 | q |
| 3 | Esperança Gicaso Guide: Marcio Jose Fonseca Neto | Angola | T11 | 1:07.57 | PB |

### Semifinals

Competed 3 September 2012 from 11:03. Qual. rule: winner of each heat (Q) plus the two fastest other times (q) qualified.

#### Heat 1

| Rank | Athlete | Country | Class | Time | Notes |
| 1 | Oxana Boturchuk | Ukraine | T12 | 55.93 | Q, PB |
| 2 | Terezinha Guilhermina Guide: Guilherme Soares de Santana | Brazil | T11 | 58.41 | q |
| 3 | Maria Gomes Da Silva Guide: Albano Pedro Zongo | Angola | T11 | 1:02.20 | |
| 4 | Zhu Daqing Guide: Zhang Hui | China | T12 | DQ | |

#### Heat 2

| Rank | Athlete | Country | Class | Time | Notes |
| 1 | Assia El Hannouni | France | T12 | 55.50 | Q |
| 2 | Daniela Velasco Guide: Jose Guadalupe Fuentes Ortiz | Mexico | T12 | 58.86 | q |
| 3 | Elisabetta Stefanini Guide: Massimo di Marcello | Italy | T12 | 1:02.03 | |
| 4 | Miroslava Sedlackova Guide: Michal Prochazka | Czech Republic | T11 | 1:02.18 | PB |

### Final

Competed 4 September 2012 at 21:15.
| Rank | Athlete | Country | Class | Time | Notes |
| | Assia El Hannouni | France | T12 | 55.39 | |
| | Oxana Boturchuk | Ukraine | T12 | 55.69 | PB |
| | Daniela Velasco Guide: Jose Guadalupe Fuentes Ortiz | Mexico | T12 | 58.51 | |
| 4 | Terezinha Guilhermina Guide: Guilherme Soares de Santana | Brazil | T11 | 1:39.73 | |
Q = qualified by place. q = qualified by time. PB = Personal Best. SB = Seasonal Best.