| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Damien O' Brien | Club | Race Number | 5183 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 2846 of 8666 | Category | M40 | Category Position | 623 of 1790 |
| 10K | 00:56:02 | Stage Position | 6299 |
| Half | 01:55:19 | Stage Position | 5563 |
| 20Mile | 02:49:57 | Stage Position | 3894 |
| Gun Time | 03:43:24 | Overall Position | 3157 |
| Chip Time | 03:41:08 | Chip Position | 3065 |