| Event | 2012 Dublin - Marathon |
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| Name | Derek O' Halloran | Club | Race Number | 5758 | Date | 29/10/2012 | |
| Gender | Male | Gender Position | 607 of 8779 | Category | M40 | Category Position | 100 of 1608 |
| to 10K | 00:45:49 | Stage Position | 1100 |
| 10K to Half | 00:49:19 | Stage Position | 871 |
| Half to 20Mile | 00:47:38 | Stage Position | 515 |
| Gun Time | 03:07:23 | Overall Position | 639 |
| Chip Time | 03:06:46 | Chip Position | 620 |