| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Stephen O' Brien | Club | Race Number | 360 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 1552 of 8666 | Category | MS | Category Position | 486 of 2562 |
| 10K | 00:49:27 | Stage Position | 2848 |
| Half | 01:44:36 | Stage Position | 2756 |
| 20Mile | 02:39:09 | Stage Position | 2295 |
| Gun Time | 03:27:54 | Overall Position | 1649 |
| Chip Time | 03:26:30 | Chip Position | 1618 |