800 meter Sen Men, Heat:2 of 3 ; Official result since 17:21
| Rank | Lane | ID | Name | SB | Team | Cat | Result | Info | Video |
| 1 | 6 | 44 | GRIFFIN Karl | U.C.D. A.C. | Sen | 1:59.14 | Q | ||
| 2 | 1 | 328 | JENKINSON Andriú | Clonliffe Harriers A.C. | Sen | 1:59.18 | Q | ||
| 3 | 2 | 248 | MCDONALD Mark | Clonliffe Harriers A.C. | Sen | 1:59.48 | |||
| 4 | 5 | 127 | CLELLAND Rhys | North Belfast Harriers | Sen | 2:00.89 | |||
| 5 | 7 | 38 | MULLINS Aidan | Bantry A.C. | Sen | 2:04.82 | |||
| 6 | 4 | 157 | CLAFFEY Gerard | Rathfarnham W.S.A.F. A.C. | Sen | 2:11.14 | |||
| 7 | 3 | 232 | GAFFNEY Conor | Menapians A.C. | Sen | 2:21.38 |