| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | David O Brien | Club | Tallaght A.C. | Race Number | 1076 | Date | 26/10/2015 |
| Gender | Male | Gender Position | 2373 of 8910 | Category | M40 | Category Position | 543 of 1919 |
| 10K | 00:50:54 | Stage Position | 3298 |
| Halfway | 01:44:37 | Stage Position | 2603 |
| 30K | 02:29:30 | Stage Position | 2538 |
| Gun Time | 03:38:17 | Overall Position | 2615 |
| Chip Time | 03:36:15 | Chip Position | 2527 |