| Event | 2014 SSE Airtricity Dublin - Marathon |
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| Name | Derek O' Brien | Club | Portmarnock Tri | Race Number | 1568 | Date | 27/10/2014 |
| Gender | Male | Gender Position | 5639 of 8775 | Category | M35 | Category Position | 1441 of 2066 |
| 10K | 00:54:51 | Stage Position | 4407 |
| Half | 01:58:01 | Stage Position | 6428 |
| 30K | 02:57:35 | Stage Position | 7262 |
| Gun Time | 04:23:06 | Overall Position | 7041 |
| Chip Time | 04:22:40 | Chip Position | 7099 |