| Event | 2014 SSE Airtricity Dublin - Marathon |
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| Name | Derek Mackessy | Club | West Limerick A.C. | Race Number | 5892 | Date | 27/10/2014 |
| Gender | Male | Gender Position | 4602 of 8775 | Category | MS | Category Position | 1262 of 2390 |
| 10K | 00:57:18 | Stage Position | 5962 |
| Half | 02:01:33 | Stage Position | 7561 |
| 30K | 02:56:59 | Stage Position | 7172 |
| Gun Time | 04:08:39 | Overall Position | 5525 |
| Chip Time | 04:07:13 | Chip Position | 5503 |