| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | David O Brien | Club | Race Number | 4965 | Date | 26/10/2015 | |
| Gender | Male | Gender Position | 1806 of 8910 | Category | MS | Category Position | 498 of 2274 |
| 10K | 00:49:37 | Stage Position | 2555 |
| Halfway | 01:44:38 | Stage Position | 2609 |
| 30K | 02:28:36 | Stage Position | 2306 |
| Gun Time | 03:29:51 | Overall Position | 1951 |
| Chip Time | 03:28:34 | Chip Position | 1894 |