800m SEN Men, Heat:1 of 4 ; Official result since 17:55
David Matthews 1.44.82
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 8 | 194 | ENGLISH Mark | U.C.D. A.C. | 1:55.53 | Q | |||
| 2 | 6 | 433 | KIRWAN Cillian | Raheny Shamrock A.C. | 1:55.82 | Q | |||
| 3 | 2 | 130 | KIRK Conall | Lagan Valley AC | 1:56.63 | ||||
| 4 | 3 | 164 | BYRNE Lee | W.S.A.F. A.C. | 1:57.13 | ||||
| 5 | 7 | 467 | SCULLY Daniel | Raheny Shamrock A.C. | 1:58.47 | ||||
| 6 | 4 | 302 | STUBBS Joshua | Clonliffe Harriers A.C. | 1:59.11 | ||||
| 7 | 1 | 41 | O'SHEA Mark | Drogheda & District A.C. | 1:59.21 | ||||
| 8 | 5 | 409 | COREY Ross | Clonliffe Harriers A.C. | 1:59.39 |