| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | Brian O Brien | Club | Race Number | 3474 | Date | 26/10/2015 | |
| Gender | Male | Gender Position | 302 of 8910 | Category | MS | Category Position | 96 of 2274 |
| 10K | 00:42:20 | Stage Position | 518 |
| Halfway | 01:29:30 | Stage Position | 506 |
| 30K | 02:07:01 | Stage Position | 434 |
| Gun Time | 02:58:19 | Overall Position | 317 |
| Chip Time | 02:58:09 | Chip Position | 310 |