| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Ruairi O' Brien | Club | Mallow AC | Race Number | 2782 | Date | 28/10/2013 |
| Gender | Male | Gender Position | 1804 of 8666 | Category | MS | Category Position | 554 of 2562 |
| 10K | 00:48:59 | Stage Position | 2395 |
| Half | 01:44:13 | Stage Position | 2540 |
| 20Mile | 02:39:34 | Stage Position | 2436 |
| Gun Time | 03:30:29 | Overall Position | 1940 |
| Chip Time | 03:29:09 | Chip Position | 1909 |