| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | Mike O Brien | Club | West Limerick A.C. | Race Number | 1399 | Date | 26/10/2015 |
| Gender | Male | Gender Position | 32 of 8910 | Category | MS | Category Position | 17 of 2274 |
| 10K | 00:35:46 | Stage Position | 33 |
| Halfway | 01:14:46 | Stage Position | 26 |
| 30K | 01:48:19 | Stage Position | 24 |
| Gun Time | 02:36:17 | Overall Position | 35 |
| Chip Time | 02:36:15 | Chip Position | 34 |