| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | Colm O Brien | Club | Race Number | 7741 | Date | 26/10/2015 | |
| Gender | Male | Gender Position | 6140 of 8910 | Category | M50 | Category Position | 479 of 742 |
| 10K | 00:55:57 | Stage Position | 6118 |
| Halfway | 01:58:02 | Stage Position | 6193 |
| 30K | 02:53:19 | Stage Position | 6801 |
| Gun Time | 04:23:13 | Overall Position | 7760 |
| Chip Time | 04:21:46 | Chip Position | 7723 |