| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Stephen O' Brien | Club | Race Number | 4441 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 1993 of 8666 | Category | M35 | Category Position | 566 of 2039 |
| 10K | 00:49:11 | Stage Position | 2542 |
| Half | 01:44:36 | Stage Position | 2753 |
| 20Mile | 02:39:32 | Stage Position | 2432 |
| Gun Time | 03:32:40 | Overall Position | 2155 |
| Chip Time | 03:31:22 | Chip Position | 2148 |