Female 12/13 100m Breaststroke - Heats (Declared Winners)
Full Results
| Place | Name | YoB | Club | | Time | | | WA Pts | | 50 |
| 1. | Halle Robinson | (10) | Dorset | | 1:15.32 | | | 567 | | 34.77 |
| 2. | Kate Schillinger | (10) | Cheshire | | 1:15.36 | | | 566 | | 35.34 |
| 3. | Madison Christoforos | (10) | Scot North | | 1:16.67 | | | 538 | | 35.63 |
| 4. | Megan Daniel | (10) | Cornwall | | 1:17.81 | | | 514 | | 35.90 |
| 5. | Ivy Manning | (10) | Ox & N Bucks | | 1:18.32 | | | 504 | | 36.74 |
| 6. | Maisie Simpson-Dawson | (10) | Leics | | 1:18.58 | | | 499 | | 36.79 |
| 7. | Verity Hamilton | (10) | Norfolk | | 1:20.32 | | | 468 | | 37.58 |
| 8. | Tyra Sajudeen | (10) | Cambs | | 1:20.52 | | | 464 | | 37.35 |
| 9. | Alice Wallinger | (10) | Northants | | 1:20.73 | | | 460 | | 37.94 |
| 10. | Ava Highfield | (11) | Shropshire | | 1:21.35 | | | 450 | | 38.05 |
| 11. | Emilie Webb | (10) | Lincolnshire | | 1:21.85 | | | 442 | | 39.14 |
| 12. | Kara Van Der Merwe | (10) | Cumbria | | 1:22.13 | | | 437 | | 37.97 |
| 13. | Evelyn Dyer | (11) | Staffs | | 1:23.00 | | | 424 | | 38.52 |
| 14. | Florrie Spicer | (10) | Gloucs | | 1:23.04 | | | 423 | | 38.12 |
| 15. | Elise Timms | (10) | Bedfordshire | | 1:23.47 | | | 416 | | 39.42 |
| 16. | Caitlyn Hillier | (10) | Wiltshire | | 1:26.03 | | | 380 | | 40.05 |
| 17. | Josie Powell | (10) | SW Wales | | 1:27.34 | | | 363 | | 39.74 |
