1500m Men Heats, Heat:1 of 2 ; Official result since 16:56
Marcus O'Sullivan 3.35.4 (1988)
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 8 | 235 | TRAVERS John | Donore Harriers | 4:01.37 | Q | |||
| 2 | 7 | 161 | KELLY Kevin | St. Coca's A.C. | 4:03.36 | Q | |||
| 3 | 1 | 4 | WARNE Joe | Doheny A.C. | 4:04.67 | Q | |||
| 4 | 2 | 7 | CHESSER Kevin | Ennis Track A.C. | 4:04.94 | Q | |||
| 5 | 10 | 281 | HORGAN Luke | Leevale A.C. | 4:05.26 | ||||
| 6 | 9 | 267 | CONWAY Mark | Dundrum South Dublin A.C. | 4:06.31 | ||||
| 7 | 3 | 35 | DUNLEAVY Emmett | Sligo A.C. | 4:08.15 | ||||
| 8 | 5 | 118 | FRIZZELL James | Claremorris A.C. | 4:12.89 | ||||
| 9 | 11 | 307 | TYRRELL James | St Abbans A.C | 4:25.25 | ||||
| 10 | 4 | 98 | HARRINGTON Craig | Togher A.C. | 4:29.25 | ||||
| 6 | 24 | COYLE David | Sli Cualann A.C. | DNF |