EVENT 109 Girls 12/13 Yrs 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 2 | Jessica Reed | 13 | Notts | 1:03.90 |
| 1 | 4 | Keira Narraway | 13 | Sussex | 1:02.17 |
| 2 | 6 | Natalie Jones | 13 | Scot East | 1:01.71 |
| 3 | 8 | Gretel Goodgame | 13 | Ox & N Bucks | 1:01.54 |
| 4 | 10 | ELLA BARDGETT | 13 | Devon | 1:00.90 |
| 5 | 9 | Evelyn Davis | 13 | Kent | 1:01.10 |
| 6 | 7 | Martha Hurst | 13 | Cheshire | 1:01.62 |
| 7 | 5 | Emilie Whitewood | 13 | Hampshire | 1:02.06 |
| 8 | 3 | Rhiannon Evans | 13 | Somerset | 1:03.10 |
| 9 | 1 | Alexandra Palotai-Avel | 13 | Dorset | 1:04.50 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 12 | Elan Roberts | 13 | Swim Wales E | 1:00.69 |
| 1 | 14 | Clara Von Opel | 13 | Middlesex | 1:00.40 |
| 2 | 16 | Safia Button | 13 | Suffolk | 59.82 |
| 3 | 18 | CHLOE BAXTER | 12 | Leics | 58.70 |
| 4 | 20 | Milly Boulding | 13 | Yorkshire | 58.00 |
| 5 | 19 | Chiara Tommasello | 13 | Lancashire | 58.60 |
| 6 | 17 | ADELAIDA GRADILLAS | 13 | Surrey | 59.50 |
| 7 | 15 | Lucy Grieve | 13 | Scot West | 1:00.10 |
| 8 | 13 | Harriet Rogers | 13 | N & Durham | 1:00.60 |
| 9 | 11 | Emily Iley | 13 | Essex | 1:00.86 |