| Event | 2012 Dublin - Marathon |
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| Name | Karen Costello | Club | Dave Carrie Team | Race Number | 11642 | Date | 29/10/2012 |
| Gender | Female | Gender Position | 313 of 3598 | Category | F35 | Category Position | 73 of 739 |
| to 10K | 00:52:33 | Stage Position | 4060 |
| 10K to Half | 00:58:24 | Stage Position | 4251 |
| Half to 20Mile | 00:58:27 | Stage Position | 3434 |
| Gun Time | 03:42:45 | Overall Position | 3307 |
| Chip Time | 03:42:37 | Chip Position | 3350 |