| Event | 2012 Dublin - Marathon |
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| Name | Gerry O' Beirne | Club | Race Number | 2423 | Date | 29/10/2012 | |
| Gender | Male | Gender Position | 2162 of 8779 | Category | M50 | Category Position | 90 of 513 |
| to 10K | 00:47:36 | Stage Position | 1739 |
| 10K to Half | 00:53:11 | Stage Position | 1962 |
| Half to 20Mile | 00:57:06 | Stage Position | 2938 |
| Gun Time | 03:31:31 | Overall Position | 2321 |
| Chip Time | 03:30:40 | Chip Position | 2299 |