| Date |
Time |
Competitor |
Meet |
| 24 Oct 1999 |
43.42 |
John O |
1999 Thornlie & Districts |
| 12 Sep 1999 |
45.09 |
John O |
Victoria Park Junior LC |
| 19 Dec 1998 |
45.95 |
John O |
State Juniors 1998 |
| 6 Dec 1998 |
46.42 |
Guy H |
Somerset Xmas Carn. |
| 21 Nov 1998 |
49.56 |
Guy H |
1998 "AA" SPRINTS |
