| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | John O Brien | Club | Race Number | 6585 | Date | 26/10/2015 | |
| Gender | Male | Gender Position | 6339 of 8910 | Category | MS | Category Position | 1623 of 2274 |
| 10K | 01:07:50 | Stage Position | 11373 |
| Halfway | 02:19:24 | Stage Position | 10810 |
| 30K | 03:11:37 | Stage Position | 9450 |
| Gun Time | 04:26:32 | Overall Position | 8093 |
| Chip Time | 04:23:31 | Chip Position | 7901 |