EVENT 109 Girls 12/13 Yrs 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 1 | Betsy Vavasour | 06 | Dorset | 1:06.03 |
| 2 | 3 | Holly Marshall | 06 | Lincolnshire | 1:04.37 |
| 3 | 5 | Jamie-Leigh Tyson | 06 | Cumbria | 1:03.38 |
| 4 | 7 | Laurie Devine | 06 | Leics | 1:02.77 |
| 5 | 6 | Amelia Durant | 06 | Cornwall | 1:03.03 |
| 6 | 4 | Sophie Kibble | 06 | Wiltshire | 1:03.85 |
| 7 | 2 | Rosie Munnings | 06 | Norfolk | 1:05.69 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 9 | Macy Dexter | 06 | Cambs | 1:02.07 |
| 1 | 11 | Kate Dunglinson | 06 | Swim Wales W | 1:01.79 |
| 2 | 13 | Isabella Yeabsley | 06 | SE Herts | 1:01.44 |
| 3 | 15 | Leah Bowen | 06 | Warwicks | 1:00.94 |
| 4 | 17 | Anna Uren | 06 | Gloucs | 1:00.14 |
| 5 | 16 | Rania Khallouqi | 06 | Sussex | 1:00.88 |
| 6 | 14 | Olivia Newman-Baronius | 06 | Bedfordshire | 1:01.17 |
| 7 | 12 | Bea Jones | 06 | Worcs | 1:01.74 |
| 8 | 10 | Mia Goodale | 06 | Hampshire | 1:01.93 |
| 9 | 8 | Anise McCausland | 06 | Staffs | 1:02.26 |