| Year |
Result |
Place |
Venue |
Date |
| 1961 |
1.47.9 |
12 |
Dublin |
Jul 17 |
| 1963 |
1.46.8 |
4 |
Los Angeles |
May 17 |
| 1964 |
1.47.6 |
25 |
Dublin |
Jul 14 |
| 1965 |
1.47.5 |
18 |
Berkeley |
Jun 18 |
| 1966 |
1.46.7 |
16 |
Dublin |
Aug 03 |
| 1967 |
1.46.9 |
12 |
London |
Jul 15 |
| 1968 |
1.46.6 |
15 |
Dublin |
Jun 23 |
|
| Year |
Result |
Place |
| 1966 (Europe) |
1.47.9 |
8 |
| 1969 (Europe) |
1.49.1 |
7 |
| 1970 (Europe Indoor) |
1.52.1 |
7 |
|
|