400m Mas Men, Heat:3 of 12 ; Official result since 15:35
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 6 | 463 | LYNCH Kevin | Lois Tuathail A.C. | M40 | 54.53 | |||
| 2 | 2 | 223 | DEVLIN Eoghan | Mid Ulster A.C. | M40 | 54.81 | |||
| 3 | 1 | 198 | KING Shane | Clones A.C. | M40 | 55.46 | |||
| 4 | 3 | 234 | MCGINLY Adrian | Templemore A.C. | M40 | 55.99 | |||
| 4 | 439 | COHEN-WRAY Andrew | Bedford & County A.C. | M40 | DNS | ||||
| 5 | 454 | DOWNEY Michael | Waterford A.C. | M40 | DNS |