800m Jun Men, Heat:1 of 2 ; Official result since 16:22
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 2 | 179 | MILLNER Mark | Tullamore Harriers A.C. | 2:02.82 | Q | |||
| 2 | 1 | 119 | SMITH Colin | Mullingar Harriers A.C. | 2:03.08 | Q | |||
| 3 | 4 | 244 | HARVEY Niall | St. L. O'Toole A.C. | 2:03.26 | Q | |||
| 4 | 3 | 194 | KILGANNON Peter | Ratoath A.C. | 2:03.49 | ||||
| 5 | 6 | 366 | SHERIDAN Ryan | Bohermeen A.C. | 2:05.70 | ||||
| 6 | 7 | 193 | HOLMES Dean | St. L. O'Toole A.C. | 2:06.63 | ||||
| 7 | 5 | 270 | O'DRISCOLL Conor | Leevale A.C. | 2:08.82 |