| Year |
Result |
Place |
Venue |
Date |
| 1964 |
50.4 |
12 |
Tokyo |
Oct 16 |
| 1965 |
50.4 |
5 |
Melbourne |
Feb 14 |
| 1966 |
49.7 |
1 |
Perth |
Mar 27 |
| 1967 |
50.2 |
9 |
Los Angeles |
Jul 9 |
| 1968 |
49.6 |
14 |
Mexico City |
Oct 14 |
| 1969 |
50.2 |
14 |
Los Angeles |
Jul 19 |
| 1970 |
50.2 |
13 |
Adelaide |
Mar 22 |
| 1972 |
49.3 |
10 |
Perth |
Mar 26 |
|
| Year |
Result |
Place |
| 1962 (ComWealth) |
52.5 |
4 |
| 1964 (Olympic) |
50.4 |
4 |
| 1966 (ComWealth) |
51.94 |
5 |
| 1970 (ComWealth) |
52.13 |
8 |
| 1974 (ComWealth) |
50.23 |
7 |
|
|