| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | Tony O Brien | Club | St. Finbarrs A.C. | Race Number | 6133 | Date | 26/10/2015 |
| Gender | Male | Gender Position | 1575 of 8910 | Category | M55 | Category Position | 32 of 349 |
| 10K | 00:49:22 | Stage Position | 2380 |
| Halfway | 01:43:42 | Stage Position | 2344 |
| 30K | 02:27:12 | Stage Position | 2038 |
| Gun Time | 03:27:44 | Overall Position | 1695 |
| Chip Time | 03:27:37 | Chip Position | 1774 |