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 | 41.35 | 14/11/2015 |
| 8 | S. Graham | 37.82 | 01/02/1992 |
| 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 | E. Graham | 28.03 | 31/01/1998 |
| 16/17 | E. Graham | 28.02 | 30/01/1999 |
| Open | L. Mcpherson | 27.99 | 03/12/2022 |