Related Events: 400m Hurdles
| Num | Athlete | College | Mark | Date | Championship | Race | Venue |
|---|---|---|---|---|---|---|---|
| 1 | S. O'Muirceartaigh | UCD | 54.80 | 1969-05-03 | T&F | 440yH | Malone Road |
| 2 | Sean McDermott | UCD | 57.40 | 1967-05-06 | T&F | 440yH | Belfield |
| 3 | Sean O'Muirceartaigh | UCD | 59.30 | 1968-05-11 | T&F | 440yH | College Park |
| 4 | S. O'Muirceartaigh | UCD | 59.60 | 1966-05-07 | T&F | 440yH | Belfield |
| Athlete | College | Mark | Date | Venue |
|---|---|---|---|---|
| S. O'Muirceartaigh | UCD | 59.60 | 1966-05-07 | Belfield |
| Sean McDermott | UCD | 57.40 | 1967-05-06 | Belfield |
| S. O'Muirceartaigh | UCD | 54.80 | 1969-05-03 | Malone Road |