| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Jonathan O' Brien | Club | Race Number | 3499 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 2042 of 8666 | Category | MS | Category Position | 615 of 2562 |
| 10K | 00:49:32 | Stage Position | 2902 |
| Half | 01:44:38 | Stage Position | 2780 |
| 20Mile | 02:39:56 | Stage Position | 2520 |
| Gun Time | 03:33:23 | Overall Position | 2215 |
| Chip Time | 03:31:43 | Chip Position | 2175 |