| Event | 2012 Dublin - Marathon |
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| Name | Derek Byrne | Club | Race Number | 4197 | Date | 29/10/2012 | |
| Gender | Male | Gender Position | 810 of 8779 | Category | M35 | Category Position | 210 of 2079 |
| to 10K | 00:46:02 | Stage Position | 1186 |
| 10K to Half | 00:49:52 | Stage Position | 972 |
| Half to 20Mile | 00:49:45 | Stage Position | 756 |
| Gun Time | 03:13:12 | Overall Position | 848 |
| Chip Time | 03:12:36 | Chip Position | 835 |