EVENT 4 Girls 11 Yrs/Over 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 2 | Georgia Stannard | 11 | Saltburn Mar | 47.03 |
| 3 | 4 | Niamh Arthur | 14 | Thornaby | DQ:FI. |
| 4 | 3 | Lucy Gardner | 12 | Northall'ton | 46.24 |
| 5 | 1 | Ruby Ramsay | 12 | Saltburn Mar | DN:C . |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 6 | Penny Walton | 13 | Guisborough | 41.29 |
| 2 | 8 | Chloe Prout | 18 | Eston | 40.76 |
| 3 | 10 | Erin Bunford | 14 | Eston | 37.74 |
| 4 | 9 | Jenna Allan | 11 | Guisborough | 39.96 |
| 5 | 7 | Katie Hill | 11 | Stokesley | 41.47 |
| 6 | 5 | Amy Wilson | 14 | Thornaby | 40.03 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 12 | Danielle Horner | 12 | Eston | 34.98 |
| 2 | 14 | Ella McNeill | 12 | Stokesley | 34.84 |
| 3 | 16 | Jessica Ivin | 15 | Stokesley | 33.44 |
| 4 | 15 | Olivia Troop | 16 | Saltburn Mar | DQ:ST. |
| 5 | 13 | Sarah-Jane Dawson | 12 | Stokesley | 36.93 |
| 6 | 11 | Karen Coulter | 39 | Eston | 36.13 |