| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Gordon O' Brien | Club | Race Number | 10354 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 7549 of 8666 | Category | M45 | Category Position | 963 of 1107 |
| 10K | 01:00:27 | Stage Position | 8710 |
| Half | 02:07:13 | Stage Position | 8523 |
| 20Mile | 03:35:57 | Stage Position | 10018 |
| Gun Time | 04:53:56 | Overall Position | 10096 |
| Chip Time | 04:52:37 | Chip Position | 10051 |