| Event | 2012 Dublin - Marathon |
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| Name | Gráinne Collier | Club | Race Number | 7312 | Date | 29/10/2012 | |
| Gender | Female | Gender Position | 2770 of 3598 | Category | F35 | Category Position | 600 of 739 |
| to 10K | 01:07:48 | Stage Position | 10674 |
| 10K to Half | 01:17:58 | Stage Position | 10755 |
| Half to 20Mile | 01:23:49 | Stage Position | 10392 |
| Gun Time | 05:11:38 | Overall Position | 10731 |
| Chip Time | 05:10:42 | Chip Position | 10635 |