| Event | 2015 SSE Airtricity Dublin - Marathon | 
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| Name | Stephen O Brien | Club | Race Number | 3232 | Date | 26/10/2015 | |
| Gender | Male | Gender Position | 1073 of 8910 | Category | M35 | Category Position | 278 of 1915 | 
| 10K | 00:47:04 | Stage Position | 1630 | 
| Halfway | 01:39:26 | Stage Position | 1653 | 
| 30K | 02:21:25 | Stage Position | 1474 | 
| Gun Time | 03:18:54 | Overall Position | 1133 | 
| Chip Time | 03:18:20 | Chip Position | 1125 |