EVENT 306 Womens MD 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 2 | 1 | Anita Linton | 78 | SB14 | West Midland | 2:05.63 |
| 3 | 3 | Sarah Paschoud | 91 | SB14 | Gtr. London | 1:51.27 |
| 4 | 5 | Olivia Abbott | 96 | SB13 | Eastern | 1:50.48 |
| 5 | 4 | Natasha Oates | 96 | SB14 | Yorkshire | 1:51.06 |
| 6 | 2 | Amy MacFarlane | 93 | SB14 | Scotland | 1:53.86 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 7 | Katie Nesbitt | 98 | SB14 | Eastern | 1:43.84 |
| 1 | 9 | Jennifer Tye | 00 | SB15 | Gtr. London | 1:41.17 |
| 2 | 11 | Reagan Doig | 98 | SB14 | Scotland | 1:31.00 |
| 3 | 13 | Nicole Lough | 95 | SB14 | North East | 1:26.13 |
| 4 | 15 | Lucy Walkup | 96 | SB15 | Scotland | 1:21.55 |
| 5 | 14 | Natalie Massey | 89 | SB14 | North West R | 1:23.20 |
| 6 | 12 | Chloe Davies | 98 | SB14 | South West R | 1:30.07 |
| 7 | 10 | Isobel Yeo | 97 | SB15 | Yorkshire | 1:40.35 |
| 8 | 8 | Natalie Moon | 95 | SB14 | Yorkshire | 1:42.19 |
| 9 | 6 | Christina Lewis | 87 | SB14 | East Midland | 1:47.18 |