# Swimming at the 2018 Commonwealth Games – Women's 100 metre backstroke

The women's 100 metre backstroke event at the 2018 Commonwealth Games was held on 6 and 7 April at the Gold Coast Aquatic Centre.

## Schedule

The schedule is as follows:
All times are Australian Eastern Standard Time (UTC+10)
| Date | Time | Round |
| Friday 6 April 2018 | 11:12 | Qualifying |
| Friday 6 April 2018 | 20:55 | Semifinals |
| Saturday 7 April 2018 | 20:03 | Final |

## Records

Prior to this competition, the existing world, Commonwealth and Games records were as follows:
| World record | Kylie Masse (CAN) | 58.10 | Budapest, Hungary | 25 July 2017 |
| Commonwealth record | Kylie Masse (CAN) | 58.10 | Budapest, Hungary | 25 July 2017 |
| Games record | Belinda Hocking (AUS) | 59.37 | Glasgow, Great Britain | 26 July 2014 |
The following records were established during the competition:
| Date | Event | Name | Nationality | Time | Record |
| 6 April | Heat 3 | Emily Seebohm | Australia | 58.91 | GR |
| 6 April | Heat 4 | Kylie Masse | Canada | 58.70 | GR |
| 6 April | Semifinals | Kylie Masse | Canada | 58.66 | GR |
| 7 April | Final | Kylie Masse | Canada | 58.63 | GR |

## Results
### Heats

| Rank | Heat | Lane | Name | Nation | Result | Notes |
| 1 | 4 | 4 | Kylie Masse | Canada | 58.70 | Q, GR |
| 2 | 3 | 4 | Emily Seebohm | Australia | 58.91 | Q, GR |
| 3 | 4 | 3 | Elizabeth Simmonds | England | 1:00.49 | Q |
| 4 | 4 | 5 | Georgia Davies | Wales | 1:00.57 | Q |
| 5 | 2 | 5 | Kaylee McKeown | Australia | 1:00.65 | Q |
| 6 | 2 | 4 | Taylor Ruck | Canada | 1:00.72 | Q |
| 7 | 2 | 3 | Hayley Baker | Australia | 1:00.82 | Q |
| 8 | 4 | 6 | Jessica Fullalove | England | 1:01.04 | Q |
| 9 | 4 | 2 | Bobbi Gichard | New Zealand | 1:01.33 | Q |
| 10 | 3 | 3 | Kathleen Dawson | Scotland | 1:01.38 | Q |
| 11 | 3 | 5 | Jade Hannah | Canada | 1:01.51 | Q |
| 12 | 3 | 6 | Cassie Wild | Scotland | 1:02.29 | Q |
| 13 | 3 | 7 | Naomi Ruele | Botswana | 1:02.58 | Q |
| 14 | 2 | 6 | Anna Maine | England | 1:02.63 | Q |
| 15 | 4 | 7 | Nathania van Niekerk | South Africa | 1:02.81 | Q |
| 16 | 2 | 7 | Danielle Hill | Northern Ireland | 1:03.08 | Q |
| 17 | 3 | 2 | Mariella Venter | South Africa | 1:03.39 | |
| 18 | 3 | 1 | Gemma Atherley | Jersey | 1:04.75 | |
| 19 | 4 | 8 | Tatiana Tostevin | Guernsey | 1:04.90 | |
| 20 | 2 | 8 | Caroline Zi Xin Chan | Malaysia | 1:05.94 | |
| 21 | 4 | 1 | Lushavel Stickland | Samoa | 1:06.02 | |
| 22 | 3 | 8 | Lauren Hew | Cayman Islands | 1:06.41 | |
| 23 | 2 | 1 | Sylvia Tanya Atieno Brunlehner | Kenya | 1:06.64 | |
| 24 | 1 | 4 | Aaliyah Palestrini | Seychelles | 1:07.26 | |
| 25 | 1 | 5 | Vinoli Kaluarachchi | Sri Lanka | 1:07.64 | |
| 26 | 1 | 3 | Therese Soukup | Seychelles | 1:10.57 | |
| 27 | 2 | 2 | Harriet West | Wales | DNS | |

### Semifinals

| Rank | Heat | Lane | Name | Nation | Result | Notes |
| 1 | 2 | 4 | Kylie Masse | Canada | 58.66 | Q, GR |
| 2 | 1 | 4 | Emily Seebohm | Australia | 58.95 | Q |
| 3 | 1 | 3 | Taylor Ruck | Canada | 1:00.06 | Q |
| 4 | 2 | 3 | Kaylee McKeown | Australia | 1:00.11 | Q |
| 5 | 1 | 5 | Georgia Davies | Wales | 1:00.33 | Q |
| 6 | 2 | 7 | Jade Hannah | Canada | 1:00.37 | Q |
| 7 | 2 | 6 | Hayley Baker | Australia | 1:00.63 | Q |
| 8 | 1 | 2 | Kathleen Dawson | Scotland | 1:00.67 | QSO |
| 9 | 2 | 5 | Elizabeth Simmonds | England | 1:00.67 | QSO |
| 10 | 1 | 7 | Cassie Wild | Scotland | 1:00.93 | |
| 11 | 1 | 6 | Jessica Fullalove | England | 1:01.39 | |
| 12 | 2 | 2 | Bobbi Gichard | New Zealand | 1:01.75 | |
| 13 | 1 | 1 | Anna Maine | England | 1:02.29 | |
| 14 | 1 | 8 | Danielle Hill | Northern Ireland | 1:02.62 | |
| 15 | 2 | 1 | Naomi Ruele | Botswana | 1:03.01 | |
| 16 | 2 | 8 | Nathania van Niekerk | South Africa | 1:03.06 | |

### Swim-off

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Kathleen Dawson | Scotland | 1:01.06 | Q |
| 2 | 5 | Elizabeth Simmonds | England | 1:01.13 | |

### Final

| Rank | Lane | Name | Nation | Result | Notes |
| | 4 | Kylie Masse | Canada | 58.63 | GR |
| | 5 | Emily Seebohm | Australia | 58.66 | |
| | 3 | Taylor Ruck | Canada | 58.97 | |
| 4 | 6 | Kaylee McKeown | Australia | 1:00.08 | |
| 5 | 2 | Georgia Davies | Wales | 1:00.17 | |
| 6 | 8 | Kathleen Dawson | Scotland | 1:00.74 | |
| 6 | 1 | Hayley Baker | Australia | 1:00.74 | |
| 8 | 7 | Jade Hannah | Canada | 1:00.83 | |