| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | Peter O Brien | Club | athletics ireland | Race Number | 9555 | Date | 26/10/2015 |
| Gender | Male | Gender Position | 4332 of 8910 | Category | MS | Category Position | 1143 of 2274 |
| 10K | 00:56:43 | Stage Position | 6805 |
| Halfway | 01:56:42 | Stage Position | 5821 |
| 30K | 02:48:28 | Stage Position | 5715 |
| Gun Time | 03:59:16 | Overall Position | 5140 |
| Chip Time | 03:57:15 | Chip Position | 4953 |