# Athletics at the 2010 Commonwealth Games – Women's 400 metres

The Women's 400 metres at the 2010 Commonwealth Games as part of the athletics programme was held at the Jawaharlal Nehru Stadium on Wednesday 6 October till Friday 8 October 2010.
The top four runners in each of the initial five heats plus the next four fastest runners from across the heats also qualified for the semifinals. There were three semifinals, and only the top two from each heat advanced to the final and the two fastest runners.

## Records

| World Record | 47.60 | Marita Koch | GDR | Canberra, Australia | 6 October 1985 |
| Games Record | 50.17 | Sandie Richards | JAM | Kuala Lumpur, Malaysia | 1998 |

## Heats

First 4 in each heat (Q) and 4 best performers (q) advance to the Semifinals.

### Heat 1

| Rank | Lane | Name | Reaction Time | Result | Notes |
| 1 | 5 | Christine Amertil (BAH) | 0.223 | 52.08 | Q |
| 2 | 2 | Carline Muir (CAN) | 0.216 | 52.21 | Q |
| 3 | 7 | Mandeep Kaur (IND) | 0.339 | 52.48 | Q |
| 4 | 6 | Kelly Massey (ENG) | 0.216 | 53.90 | Q |
| 5 | 4 | Cathrine Musiko (KEN) | 0.240 | 55.75 | |
| 6 | 3 | Mahriam Kamara (SLE) | 0.311 | 1:03.11 | |

### Heat 2

| Rank | Lane | Name | Reaction Time | Result | Notes |
| 1 | 7 | Amantle Montsho (BOT) | 0.264 | 51.56 | Q |
| 2 | 3 | Aliann Pompey (GUY) | 0.324 | 52.33 | Q |
| 3 | 6 | Racheal Nachula (ZAM) | 0.220 | 52.89 | Q, SB |
| 4 | 4 | Davita Prendergast (JAM) | 0.310 | 54.58 | Q |
| 5 | 5 | Grace Kidake (KEN) | | 54.74 | q |
| 6 | 8 | Justine Bayigga (UGA) | 0.211 | 56.11 | |

### Heat 3

| Rank | Lane | Name | Reaction Time | Result | Notes |
| 1 | 5 | Folashade Abugan (NGR) | 0.273 | 52.41 | Q |
| 2 | 4 | Kgalalelo Sefo (BOT) | 0.240 | 54.12 | Q |
| 3 | 7 | Dominique Blake (JAM) | 0.248 | 54.29 | Q |
| 4 | 3 | Trish Bartholomew (GRN) | 0.174 | 54.73 | Q |
| 5 | 6 | Elisa Cossa (MOZ) | 0.260 | 55.62 | q |
| 6 | 2 | Jo Patterson (NIR) | 0.200 | 55.72 | |
| 7 | 8 | Marie Lascar (MRI) | 0.283 | 56.38 | |

### Heat 4

| Rank | Lane | Name | Reaction Time | Result | Notes |
| 1 | 3 | Manjeet Kaur (IND) | 0.269 | 52.75 | Q |
| 2 | 7 | Margaret Etim (NGR) | 0.213 | 52.81 | Q |
| 3 | 2 | Chandrika Rasnayake (SRI) | 0.213 | 53.01 | Q, SB |
| 4 | 6 | Vicki Barr (ENG) | 0.168 | 53.86 | Q |
| 5 | 5 | Betty Burua (PNG) | 0.307 | 54.90 | q, NR |
| 6 | 4 | Emilly Naziri (UGA) | 0.234 | 55.21 | q |
| 7 | 8 | Katie Kirk (NIR) | 0.326 | 55.68 | |

### Heat 5

| Rank | Lane | Name | Reaction Time | Result | Notes |
| 1 | 8 | Lee McConnell (SCO) | 0.289 | 53.24 | Q |
| 2 | 4 | Nadine Okyere (ENG) | 0.302 | 53.75 | Q |
| 3 | 2 | Amonn Nelson (CAN) | 0.187 | 54.26 | Q |
| 4 | 3 | Joanna Mills (NIR) | 0.197 | 55.46 | Q |
| 5 | 5 | Dee-Ann Rogers (AIA) | 0.194 | 59.16 | |
| 6 | 7 | Mirufath Ahmed (MDV) | 0.279 | 1:00.33 | NR |
| - | 8 | Nadia Cunningham (JAM) | | | DNS |

## Semifinals

First 2 in each heat (Q) and 2 best performers (q) advance to the Final.

### Semifinal 1

| Rank | Lane | Name | Reaction Time | Result | Notes |
| 1 | 4 | Amantle Montsho (BOT) | 0.230 | 50.80 | Q |
| 2 | 5 | Aliann Pompey (GUY) | 0.230 | 51.70 | Q, SB |
| 3 | 7 | Nadine Okyere (ENG) | 0.303 | 52.89 | PB |
| 4 | 8 | Chandrika Rasnayake (SRI) | 0.278 | 52.97 | SB |
| 5 | 6 | Racheal Nachula (ZAM) | 0.207 | 53.44 | |
| 6 | 2 | Trish Bartholomew (GRN) | 0.182 | 54.15 | |
| 7 | 9 | Davita Prendergast (JAM) | 0.296 | 55.09 | |
| 8 | 3 | Elisa Cossa (MOZ) | 0.211 | 55.71 | |

### Semifinal 2

| Rank | Lane | Name | Reaction Time | Result | Notes |
| 1 | 6 | Christine Amertil (BAH) | 0.208 | 51.94 | Q |
| 2 | 5 | Lee McConnell (SCO) | 0.263 | 52.27 | Q |
| 3 | 7 | Margaret Etim (NGR) | 0.223 | 52.55 | q |
| 4 | 4 | Mandeep Kaur (IND) | 0.331 | 52.60 | q |
| 5 | 8 | Kelly Massey (ENG) | 0.208 | 53.24 | |
| 6 | 9 | Amonn Nelson (CAN) | 0.269 | 53.33 | |
| 7 | 2 | Emilly Naziri (UGA) | 0.197 | 54.94 | |
| 8 | 3 | Joanna Mills (NIR) | 0.170 | 55.68 | |

### Semifinal 3

| Rank | Lane | Name | Reaction Time | Result | Notes |
| 1 | 6 | Folashade Abugan (NGR) | 0.262 | 51.78 | Q |
| 2 | 7 | Carline Muir (CAN) | 0.219 | 52.55 | Q |
| 3 | 4 | Manjeet Kaur (IND) | 0.306 | 53.04 | |
| 4 | 8 | Vicki Barr (ENG) | 0.183 | 53.51 | |
| 5 | 5 | Kgalalelo Sefo (BOT) | 0.246 | 54.21 | |
| 6 | 9 | Dominique Blake (JAM) | 0.241 | 54.34 | |
| 7 | 2 | Betty Burua (PNG) | 0.266 | 54.48 | NR |
| 8 | 3 | Grace Kidake (KEN) | 0.518 | 55.15 | |

## Final

| Rank | Lane | Name | Reaction Time | Result | Notes |
| | 6 | Amantle Montsho (BOT) | 0.247 | 50.10 | GR |
| | 5 | Aliann Pompey (GUY) | 0.357 | 51.65 | SB |
| | 4 | Christine Amertil (BAH) | 0.222 | 51.96 | |
| 4 | 9 | Lee McConnell (SCO) | 0.346 | 52.36 | |
| 5 | 3 | Mandeep Kaur (IND) | 0.335 | 52.37 | |
| 6 | 8 | Carline Muir (CAN) | 0.301 | 52.43 | |
| 7 | 2 | Margaret Etim (NGR) | 0.261 | 52.66 | |
| DSQ | 7 | Folashade Abugan (NGR) | 0.253 | 51.39 | SB |