| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | Mark O Brien | Club | Race Number | 4635 | Date | 26/10/2015 | |
| Gender | Male | Gender Position | 2981 of 8910 | Category | M35 | Category Position | 769 of 1915 |
| 10K | 00:50:04 | Stage Position | 2912 |
| Halfway | 01:45:32 | Stage Position | 2997 |
| 30K | 02:32:45 | Stage Position | 2958 |
| Gun Time | 03:45:44 | Overall Position | 3345 |
| Chip Time | 03:44:26 | Chip Position | 3344 |