# Athletics at the 2018 Commonwealth Games – Women's 400 metres

The women's 400 metres at the 2018 Commonwealth Games, as part of the athletics programme, took place in the Carrara Stadium between 9 and 11 April 2018.

## Records

Prior to this competition, the existing world and Games records were as follows:
| World record | Marita Koch (GDR) | 47.60 | Canberra, Australia | 6 October 1985 |
| Games record | Amantle Montsho (BOT) | 50.10 | Delhi, India | 8 October 2010 |

## Schedule

The schedule was as follows:
| Date | Time | Round |
| Monday 9 April 2018 | 10:30 | First round |
| Tuesday 10 April 2018 | 21:16 | Semifinals |
| Wednesday 11 April 2018 | 21:45 | Final |
All times are Australian Eastern Standard Time (UTC+10)

## Results
### First round

The first round consisted of five heats. The four fastest competitors per heat (plus four fastest losers) advanced to the semifinals.

#### Heat 1

| Rank | Lane | Name | Reaction Time | Result | Notes | Qual. |
| 1 | 2 | Amantle Montsho (BOT) | 0.163 | 51.20 | | Q |
| 2 | 5 | Anastasia Le-Roy (JAM) | 0.166 | 51.37 | SB | Q |
| 3 | 1 | Emily Diamond (ENG) | 0.167 | 52.26 | | Q |
| 4 | 4 | Quincy Malekani (ZAM) | 0.145 | 52.40 | | Q |
| 5 | 3 | Poovamma Raju Machettira (IND) | 0.175 | 53.72 | | |
| 6 | 6 | Dolly Mustapha (SLE) | 0.248 | 55.26 | | |
| 7 | 7 | Artesha Richardson (AIA) | 0.140 | 58.43 | | |
| – | 8 | Samantha Dirks (BIZ) | | DNS | | |

#### Heat 2

| Rank | Lane | Name | Reaction Time | Result | Notes | Qual. |
| 1 | 5 | Stephenie Ann McPherson (JAM) | 0.138 | 50.80 | | Q |
| 2 | 8 | Zoey Clark (SCO) | 0.157 | 52.07 | | Q |
| 3 | 7 | Akua Obeng-Akrofi (GHA) | 0.142 | 52.44 | PB | Q |
| 4 | 6 | Leni Shida (UGA) | 0.231 | 52.79 | | Q |
| 5 | 4 | Anyika Onuora (ENG) | 0.169 | 53.13 | | q |
| 6 | 2 | Gladys Musyoki (KEN) | 0.200 | 53.41 | PB | q |
| – | 3 | Folasade Abugan (NGR) | 0.261 | DQ | R 163.3a | |

#### Heat 3

| Rank | Lane | Name | Reaction Time | Result | Notes | Qual. |
| 1 | 3 | Maximila Imali (KEN) | 0.190 | 51.74 | | Q |
| 2 | 4 | Tovea Jenkins (JAM) | 0.204 | 52.58 | | Q |
| 3 | 2 | Eleni Artymata (CYP) | 0.217 | 52.90 | | Q |
| 4 | 5 | Kanika Beckles (GRN) | 0.197 | 53.34 | | Q |
| 5 | 8 | Rafiatu Nuhu (GHA) | 0.241 | 54.02 | | |
| 6 | 6 | Bendere Oboya (AUS) | | 55.62 | | |
| 7 | 1 | Najma Parveen (PAK) | 0.171 | 57.12 | SB | |
| 8 | 7 | Roslyn Nalin (VAN) | 0.160 | 1:00.72 | | |

#### Heat 4

| Rank | Lane | Name | Reaction Time | Result | Notes | Qual. |
| 1 | 8 | Anneliese Rubie (AUS) | 0.149 | 52.32 | | Q |
| 2 | 3 | Galefele Moroko (BOT) | 0.218 | 53.28 | PB | Q |
| 3 | 1 | Ashley Kelly (IVB) | 0.188 | 53.45 | | Q |
| 4 | 4 | Emily Nanziri (UGA) | 0.201 | 54.10 | SB | Q |
| 5 | 5 | Mariama Conteh (SLE) | 0.267 | 56.66 | | |
| 6 | 7 | Elenani Tinai (FIJ) | 0.262 | 57.45 | PB | |
| 7 | 2 | Valentine Hello (VAN) | 0.183 | 58.62 | PB | |
| – | 6 | Patience Okon George (NGR) | 0.206 | DQ | R 163.3a | |

#### Heat 5

| Rank | Lane | Name | Reaction Time | Result | Notes | Qual. |
| 1 | 4 | Yinka Ajayi (NGR) | 0.198 | 51.71 | | Q |
| 2 | 2 | Christine Botlogetswe (BOT) | 0.211 | 51.73 | PB | Q |
| 3 | 6 | Hima Das (IND) | 0.165 | 52.11 | | Q |
| 4 | 5 | Veronica Kamumbe Mutua (KEN) | 0.179 | 52.70 | | Q |
| 5 | 1 | Morgan Mitchell (AUS) | 0.153 | 52.81 | | q |
| 6 | 3 | Kineke Alexander (SVG) | 0.191 | 53.63 | | q |
| 7 | 8 | Scovia Ayikoru (UGA) | 0.188 | 54.65 | | |
| 8 | 7 | Miriama Senokonoko (FIJ) | 0.313 | 58.31 | | |

### Semifinals

Three semi-finals were held. The two fastest competitors per semi (plus two fastest losers) advanced to the final.

#### Semifinal 1

| Rank | Lane | Name | Reaction Time | Result | Notes | Qual. |
| 1 | 5 | Anastasia Le-Roy (JAM) | 0.175 | 51.08 | SB | Q |
| 2 | 3 | Amantle Montsho (BOT) | 0.174 | 51.26 | | Q |
| 3 | 6 | Hima Das (IND) | 0.157 | 51.53 | PB | q |
| 4 | 4 | Zoey Clark (SCO) | 0.152 | 52.06 | | |
| 5 | 7 | Eleni Artymata (CYP) | 0.227 | 52.38 | | |
| 6 | 2 | Emily Nanziri (UGA) | 0.166 | 54.10 | =SB | |
| 7 | 1 | Kineke Alexander (SVG) | 0.151 | 54.35 | | |
| 8 | 8 | Veronica Kamumbe Mutua (KEN) | 0.182 | 54.85 | | |

#### Semifinal 2

| Rank | Lane | Name | Reaction Time | Result | Qual. |
| 1 | 3 | Maximila Imali (KEN) | 0.212 | 51.52 | Q |
| 2 | 5 | Yinka Ajayi (NGR) | 0.217 | 51.81 | Q |
| 3 | 2 | Morgan Mitchell (AUS) | 0.139 | 52.65 | |
| 4 | 1 | Anyika Onuora (ENG) | 0.153 | 52.73 | |
| 5 | 8 | Ashley Kelly (IVB) | 0.174 | 53.00 | |
| 6 | 4 | Galefele Moroko (BOT) | 0.202 | 54.27 | |
| 7 | 7 | Quincy Malekani (ZAM) | 0.153 | 54.36 | |
| – | 6 | Tovea Jenkins (JAM) | | DNS | |

#### Semifinal 3

| Rank | Lane | Name | Reaction Time | Result | Notes | Qual. |
| 1 | 5 | Stephenie Ann McPherson (JAM) | 0.140 | 51.21 | | Q |
| 2 | 6 | Christine Botlogetswe (BOT) | 0.210 | 51.41 | PB | Q |
| 3 | 4 | Anneliese Rubie (AUS) | 0.142 | 51.51 | PB | q |
| 4 | 3 | Emily Diamond (ENG) | 0.161 | 52.02 | | |
| 5 | 7 | Akua Obeng-Akrofi (GHA) | 0.161 | 53.16 | | |
| 6 | 1 | Kanika Beckles (GRN) | 0.157 | 53.80 | | |
| 7 | 2 | Gladys Musyoki (KEN) | 0.219 | 54.40 | | |
| 8 | 8 | Leni Shida (UGA) | 0.247 | 54.50 | | |

### Final

The medals were determined in the final.
| Rank | Lane | Name | Reaction Time | Result | Notes |
| | 6 | Amantle Montsho (BOT) | 0.222 | 50.15 | SB |
| | 3 | Anastasia Le-Roy (JAM) | 0.159 | 50.57 | PB |
| | 5 | Stephenie Ann McPherson (JAM) | 0.137 | 50.93 | |
| 4 | 8 | Christine Botlogetswe (BOT) | 0.222 | 51.17 | PB |
| 5 | 4 | Maximila Imali (KEN) | 0.207 | 51.32 | |
| 6 | 1 | Hima Das (IND) | 0.154 | 51.32 | PB |
| 7 | 2 | Anneliese Rubie (AUS) | 0.165 | 52.03 | |
| 8 | 7 | Yinka Ajayi (NGR) | 0.233 | 52.26 | |