1500m Junior Men ; Official result since 18:32
| Rank | Lane | ID | Name | SB | Team | Cat | Result | Info | Video |
| 1 | 23 | 397 | Kirwin Cillian | 4:00.14 | Raheny Shamrocks | Jun | 3:54.09 | ||
| 2 | 1 | 375 | Campbell Garry | 3:57.45 | Dunleer AC | Jun | 3:55.04 | ||
| 3 | 2 | 376 | Horgan Luke | 3:58.25 | Leevale AC | Jun | 3:59.15 | ||
| 4 | 10 | 384 | Keane Barry | 4:06.92 | Waterford AC | Jun | 4:00.09 | ||
| 5 | 4 | 378 | Curtin Fearghal | 4:00.13 | Youghal AC | Jun | 4:01.32 | ||
| 6 | 6 | 380 | Curran Sean | 4:02.23 | West Waterford AC | Jun | 4:03.71 | ||
| 7 | 11 | 385 | O'Donovan Charlie | 4:07.45 | Leevale AC | Jun | 4:05.70 | ||
| 8 | 12 | 386 | Lynch Peter | 4:07.47 | Kilkenny City Harriers | Jun | 4:08.70 | ||
| 9 | 9 | 383 | Collins Sean | 4:06.67 | Ennis Track Club | Jun | 4:10.39 | ||
| 10 | 8 | 382 | O'Sullivan Garry | 4:05.56 | West Muskerry AC | Jun | 4:13.20 | ||
| 11 | 19 | 393 | Byrne Evan | 4:15.49 | Togher AC | Jun | 4:14.18 | ||
| 12 | 13 | 387 | Fox David | 4:08.38 | Leevale AC | Jun | 4:16.02 | ||
| 13 | 22 | 396 | Power Micheal | 4:17.76 | West Waterford AC | Jun | 4:16.47 | ||
| 14 | 7 | 381 | O'Shea Ronan | 4:04.05 | Brown University (USA) | Jun | 4:17.29 | ||
| 15 | 18 | 392 | Roche Jamie | 4:15.34 | Ennis Track Club | Jun | 4:19.01 | ||
| 16 | 21 | 395 | Cronin Billy | 4:17.07 | West Muskerry AC | Jun | 4:22.04 | ||
| 17 | 16 | 390 | McElhinney Darragh | 4:11.87 | Bantry AC | Jun | 4:26.53 | ||
| 24 | 398 | Lynch Cullen | Ireland | Jun | DNF | PACE |