EVENT 203 Boy/Girl Open 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Ashleigh Fall | 10 | Diss Otters | |
| 3 | 3 | Jessica Freeman | 10 | Diss Otters | |
| 4 | 2 | Benjamin Eastwood | 10 | Diss Otters | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 5 | Faye Wilson | 11 | Diss Otters | 53.73 |
| 3 | 7 | Eleanor Godbold | 13 | Diss Otters | 53.12 |
| 4 | 6 | Olivia Shadbolt | 12 | Diss Otters | 53.50 |
| 5 | 4 | Mya Sidwell | 12 | Diss Otters | 58.24 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Donald Perrin | 11 | Diss Otters | 53.00 |
| 2 | 11 | Kyla Dalliston | 12 | Diss Otters | 50.71 |
| 3 | 13 | Katie Hawkins | 16 | Diss Otters | 46.12 |
| 4 | 12 | Laurie Shearer | 12 | Diss Otters | 47.33 |
| 5 | 10 | Blossom Day | 12 | Diss Otters | 52.74 |
| 6 | 8 | Andrea Altadonna | 11 | Diss Otters | 53.09 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 15 | Forbes Irvine | 13 | Diss Otters | 45.20 |
| 2 | 17 | Portia Bloomfield | 15 | Diss Otters | 44.03 |
| 3 | 19 | Jodi Brown | 15 | Diss Otters | 42.60 |
| 4 | 18 | Jon Barber | 14 | Diss Otters | 43.86 |
| 5 | 16 | Damian Lemke | 15 | Diss Otters | 44.19 |
| 6 | 14 | Ella Townsend | 12 | Diss Otters | 45.84 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 22 | Elliot Barkway | 13 | Diss Otters | 36.90 |
| 2 | 24 | Emily Rose | 22 | Diss Otters | 33.34 |
| 3 | 26 | Matthew Tatum | 20 | Diss Otters | 30.22 |
| 4 | 25 | Callum Blair | 16 | Diss Otters | 30.88 |
| 5 | 23 | Finlay Neve | 13 | Diss Otters | 36.15 |
| 6 | 21 | Noah Blair | 12 | Diss Otters | 41.75 |