| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Mark O' Byrne | Club | Ballon/Ratho A.C. | Race Number | 8898 | Date | 28/10/2013 |
| Gender | Male | Gender Position | 1822 of 8666 | Category | M40 | Category Position | 419 of 1790 |
| 10K | 00:48:52 | Stage Position | 2340 |
| Half | 01:42:28 | Stage Position | 2189 |
| 20Mile | 02:35:44 | Stage Position | 1862 |
| Gun Time | 03:30:35 | Overall Position | 1961 |
| Chip Time | 03:29:19 | Chip Position | 1930 |