| Event | 2012 Dublin - Marathon |
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| Name | Gerard Grehan | Club | Race Number | 8740 | Date | 29/10/2012 | |
| Gender | Male | Gender Position | 8260 of 8779 | Category | M50 | Category Position | 457 of 513 |
| to 10K | 01:03:28 | Stage Position | 9682 |
| 10K to Half | 01:24:23 | Stage Position | 11270 |
| Half to 20Mile | 01:36:23 | Stage Position | 11265 |
| Gun Time | 05:39:08 | Overall Position | 11288 |
| Chip Time | 05:38:36 | Chip Position | 11182 |