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

The women's 100 metre breaststroke event at the 2018 Commonwealth Games was held on 8 and 9 April at the Gold Coast Aquatic Centre.

## Records

Prior to this competition, the existing world, Commonwealth and Games records were as follows:
| World record | Lilly King (USA) | 1:04.13 | Budapest, Hungary | 25 July 2017 |
| Commonwealth record | Leisel Jones (AUS) | 1:05.09 | Melbourne, Australia | 20 March 2006 |
| Games record | Leisel Jones (AUS) | 1:05.09 | Melbourne, Australia | 20 March 2006 |

## Results
### Heats

The heats were held on 8 April at 11:47.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | 3 | Georgia Bohl | Australia | 1:07.40 | Q |
| 2 | 4 | 3 | Tatjana Schoenmaker | South Africa | 1:07.69 | Q |
| 3 | 2 | 3 | Leiston Pickett | Australia | 1:07.72 | Q |
| 4 | 4 | 4 | Kierra Smith | Canada | 1:07.81 | Q |
| 5 | 3 | 3 | Faith Knelson | Canada | 1:08.50 | Q |
| 6 | 2 | 4 | Jessica Hansen | Australia | 1:08.81 | Q |
| 7 | 4 | 5 | Rachel Nicol | Canada | 1:08.87 | Q |
| 8 | 3 | 4 | Sarah Vasey | England | 1:08.95 | Q |
| 9 | 3 | 6 | Chloé Tutton | Wales | 1:09.06 | Q |
| 10 | 2 | 6 | Molly Renshaw | England | 1:09.40 | Q |
| 10 | 3 | 2 | Kaylene Corbett | South Africa | 1:09.40 | Q |
| 12 | 4 | 2 | Corrie Scott | Scotland | 1:09.51 | Q |
| 13 | 2 | 7 | Laura Kinley | Isle of Man | 1:09.71 | Q |
| 14 | 2 | 5 | Jocelyn Ulyett | England | 1:09.74 | Q |
| 15 | 4 | 6 | Alia Atkinson | Jamaica | 1:09.83 | Q |
| 16 | 3 | 1 | Emily Visagie | South Africa | 1:10.65 | Q |
| 17 | 3 | 7 | Bronagh Ryan | New Zealand | 1:10.78 | |
| 18 | 2 | 1 | Niamh Robinson | Isle of Man | 1:11.10 | |
| 19 | 2 | 2 | Beth Sloan | Wales | 1:11.34 | |
| 20 | 4 | 1 | Roanne Ho | Singapore | 1:11.92 | |
| 21 | 4 | 8 | Tilka Paljk | Zambia | 1:12.01 | |
| 22 | 4 | 7 | Lillian Higgs | Bahamas | 1:12.78 | |
| 23 | 3 | 8 | Stephanie Brew | Isle of Man | 1:15.06 | |
| 24 | 1 | 4 | Kirsten Fisher-Marsters | Cook Islands | 1:15.41 | |
| 25 | 1 | 5 | Oreoluwa Cherebin | Grenada | 1:17.29 | |
| 26 | 1 | 3 | Aliah Maginley | Antigua and Barbuda | 1:26.15 | |

### Semifinals

The semifinals were held on 8 April at 21:03.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Tatjana Schoenmaker | South Africa | 1:06.65 | Q |
| 2 | 5 | Kierra Smith | Canada | 1:07.64 | Q |
| 3 | 3 | Jessica Hansen | Australia | 1:07.93 | Q |
| 4 | 6 | Sarah Vasey | England | 1:08.50 | Q |
| 5 | 1 | Jocelyn Ulyett | England | 1:08.68 | |
| 6 | 2 | Molly Renshaw | England | 1:09.22 | |
| 7 | 7 | Corrie Scott | Scotland | 1:09.32 | |
| 8 | 8 | Emily Visagie | South Africa | 1:10.80 | |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Georgia Bohl | Australia | 1:07.13 | Q |
| 2 | 3 | Faith Knelson | Canada | 1:07.30 | Q |
| 3 | 5 | Leiston Pickett | Australia | 1:07.71 | Q |
| 4 | 2 | Chloé Tutton | Wales | 1:08.54 | Q |
| 5 | 6 | Rachel Nicol | Canada | 1:08.67 | |
| 6 | 7 | Kaylene Corbett | South Africa | 1:09.36 | |
| 7 | 8 | Alia Atkinson | Jamaica | 1:09.83 | |
| 8 | 1 | Laura Kinley | Isle of Man | 1:10.93 | |

### Final

The final was held on 9 April at 21:12.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Tatjana Schoenmaker | South Africa | 1:06.41 | AF |
| | 6 | Kierra Smith | Canada | 1:07.05 | |
| | 5 | Georgia Bohl | Australia | 1:07.22 | |
| 4 | 3 | Faith Knelson | Canada | 1:07.84 | |
| 5 | 8 | Chloé Tutton | Wales | 1:07.87 | |
| 6 | 2 | Leiston Pickett | Australia | 1:08.04 | |
| 7 | 1 | Sarah Vasey | England | 1:08.36 | |
| 8 | 7 | Jessica Hansen | Australia | 1:08.53 | |