| Event | 2012 Dublin - Marathon |
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| Name | Michelle O' Brien | Club | Race Number | 4932 | Date | 29/10/2012 | |
| Gender | Female | Gender Position | 255 of 3598 | Category | F35 | Category Position | 62 of 739 |
| to 10K | 00:51:13 | Stage Position | 3484 |
| 10K to Half | 00:55:56 | Stage Position | 3295 |
| Half to 20Mile | 00:57:08 | Stage Position | 2960 |
| Gun Time | 03:39:18 | Overall Position | 2912 |
| Chip Time | 03:38:28 | Chip Position | 2895 |