| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | Ian O Brien | Club | Race Number | 4439 | Date | 26/10/2015 | |
| Gender | Male | Gender Position | 860 of 8910 | Category | M35 | Category Position | 236 of 1915 |
| 10K | 00:46:06 | Stage Position | 1333 |
| Halfway | 01:35:56 | Stage Position | 1233 |
| 30K | 02:16:16 | Stage Position | 1036 |
| Gun Time | 03:14:31 | Overall Position | 902 |
| Chip Time | 03:13:56 | Chip Position | 883 |