| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | John O Brien | Club | Race Number | 8970 | Date | 26/10/2015 | |
| Gender | Male | Gender Position | 1507 of 8910 | Category | M35 | Category Position | 408 of 1915 |
| 10K | 00:51:03 | Stage Position | 3375 |
| Halfway | 01:47:55 | Stage Position | 3474 |
| 30K | 02:28:59 | Stage Position | 2439 |
| Gun Time | 03:26:43 | Overall Position | 1618 |
| Chip Time | 03:26:33 | Chip Position | 1659 |