| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Darren O' Brian | Club | Race Number | 17343 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 2588 of 8666 | Category | M40 | Category Position | 571 of 1790 |
| 10K | 00:51:07 | Stage Position | 3591 |
| Half | 01:47:51 | Stage Position | 3521 |
| 20Mile | 02:45:49 | Stage Position | 3222 |
| Gun Time | 03:40:47 | Overall Position | 2855 |
| Chip Time | 03:40:37 | Chip Position | 3026 |