Boys
| Age | Name | Time | Date |
| 7 & U | S. Millar | 39.20 | 08/01/1983 |
| 8 | T. Dodd | 34.60 | 01/02/1992 |
| 9 | T. Dodd | 32.63 | 30/01/1993 |
| 10 | T. Dodd | 31.18 | 24/02/1994 |
| 11 | T. Dodd | 30.17 | 28/01/1995 |
| 12 | R. Joseph | 28.97 | 01/03/2025 |
| 13 | T. Dodd | 27.09 | 25/01/1997 |
| 14 | T. Dodd | 26.07 | 31/01/1998 |
| 15 | J. Law | 25.63 | 09/03/2024 |
| 16/17 | J. Kerr | 23.91 | 09/03/2024 |
| Open | J. Kerr | 23.91 | 09/03/2024 |
Girls
| Age | Name | Time | Date |
| 7 & U | Z. Kasprowicz | 41.35 | 14/11/2015 |
| 8 | J. Botha | 37.12 | 01/03/2025 |
| 9 | E. Graham | 34.44 | 01/02/1992 |
| 10 | E. Graham | 33.11 | 30/01/1993 |
| 11 | E. Graham | 30.61 | 24/02/1994 |
| 12 | A. Turner | 30.00 | 20/11/1992 |
| 13 | A. Turner | 28.50 | 03/03/1984 |
| 14 | L. Mcpherson | 27.99 | 03/12/2022 |
| 15 | L. Mcpherson | 27.95 | 09/03/2024 |
| 16/17 | L. Mcpherson | 27.51 | 01/03/2025 |
| Open | L. Mcpherson | 27.51 | 01/03/2025 |