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 | T. Dodd | 29.25 | 27/01/1996 |
| 13 | T. Dodd | 27.09 | 25/01/1997 |
| 14 | T. Dodd | 26.07 | 31/01/1998 |
| 15 | T. Laforest | 26.42 | 05/02/2000 |
| 16/17 | H. Rothwell | 25.88 | 03/12/2022 |
| Open | C. Fenwick-Kearns | 24.88 | 03/12/2022 |
Girls
| Age | Name | Time | Date |
| 7 & U | Z. Kasprowicz | 2:08.13 | 16/01/2016 |
| 8 | P. Williams | 1:56.16 | 11/11/2000 |
| 9 | C. Short | 1:50.70 | 10/03/2018 |
| 10 | L. Millar | 1:46.32 | 10/11/2001 |
| 11 | A. Doyle | 1:36.63 | 11/11/1995 |
| 12 | J. Howitt | 1:29.55 | 25/11/1989 |
| 13 | J. Dodd | 1:27.20 | 14/12/1985 |
| 14 | M. Byrnes | 1:25.00 | 25/02/1978 |
| 15 | P. Fookes | 1:25.60 | 19/11/1983 |
| 16/17 | S. Graham | 1:30.16 | 11/11/2000 |
| Open | M. Byrnes | 1:22.60 | 24/11/1979 |