EVENT 107 Girls 16/17 Yrs 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Rose Higginson-Burford | 16 | Northants | 1:12.51 |
| 1 | 3 | Olivia Phoenix | 16 | Shropshire | 1:09.83 |
| 2 | 5 | Kate Meechan | 16 | Bedfordshire | 1:07.80 |
| 3 | 7 | Sarah Brades | 16 | Warwicks | 1:07.26 |
| 4 | 9 | Elizabeth Smith | 16 | Swim Wales E | 1:06.57 |
| 5 | 8 | Anna Broadbent | 17 | Cumbria | 1:06.60 |
| 6 | 6 | Kay De Courcy | 17 | Cornwall | 1:07.60 |
| 7 | 4 | Emily Warren Ballard | 16 | Leics | 1:09.30 |
| 8 | 2 | Emma Lines | 16 | Suffolk | 1:11.03 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 11 | Sophie Roberts | 16 | Wiltshire | 1:06.48 |
| 1 | 13 | Karen Chan | 16 | Sussex | 1:05.00 |
| 2 | 15 | Sophie Green | 16 | Norfolk | 1:04.36 |
| 3 | 17 | Chloe Hannam | 16 | Lincolnshire | 1:03.98 |
| 4 | 19 | Charlotte Bryan | 17 | Swim Wales W | 1:02.81 |
| 5 | 18 | Kirsty Simpson | 16 | Scot Midland | 1:03.85 |
| 6 | 16 | Jess Twose | 16 | Devon | 1:03.98 |
| 7 | 14 | Alice O'Toole | 16 | Worcs | 1:04.43 |
| 8 | 12 | Alice Price | 16 | Gloucs | 1:05.10 |
| 9 | 10 | Molly Norman | 16 | Cambs | 1:06.52 |