EVENT 405 Women MC 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 2 | 7 | Iona Winnifrith | 12 | SB6 | Tonbridge | 1:44.85 |
| 3 | 11 | Amber Haycock | 16 | SB9 | Northampton | 1:34.11 |
| 4 | 15 | Meghan Willis | 16 | SB9 | Torfaen D | 1:28.73 |
| 5 | 13 | Astrid Carroll | 14 | SB12 | Bo Kirklees | 1:29.46 |
| 6 | 9 | Saskia Webb | 16 | SB14 | Pembs Cty | 1:36.97 |
| 7 | 5 | Fern Sneddon | 17 | SB6 | RTW Monson | 1:46.91 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 0 | 2 | Samantha Lewis | 31 | SB7 | Satellite | 1:56.73 |
| 1 | 4 | Charlotte Hyde | 21 | SB6 | Enfield Sq | 1:49.15 |
| 2 | 8 | Eliza Humphrey | 18 | SB11 | Northampton | 1:37.57 |
| 3 | 12 | Ella Williams | 16 | SB13 | Swindon | 1:31.22 |
| 4 | 16 | Eva French | 16 | SB9 | Nuneaton | 1:25.98 |
| 5 | 14 | Megan Neave | 20 | SB14 | Repton | 1:28.76 |
| 6 | 10 | Imogen Dodds | 14 | SB13 | Wellingboro | 1:36.27 |
| 7 | 6 | Lily Rice | 19 | SB7 | Pembs Cty | 1:45.99 |
| 8 | 3 | Georgia Howell | 21 | SB7 | ArunTridents | 1:54.34 |
| 9 | 1 | Laura Pilkington | 26 | SB5 | Edinburgh Un | 2:05.79 |