| Event | 2012 Dublin - Marathon |
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| Name | Mary Byrne | Club | Race Number | 14307 | Date | 29/10/2012 | |
| Gender | Female | Gender Position | 1405 of 3598 | Category | F55 | Category Position | 15 of 91 |
| to 10K | 00:59:42 | Stage Position | 8166 |
| 10K to Half | 01:06:48 | Stage Position | 8298 |
| Half to 20Mile | 01:06:38 | Stage Position | 6813 |
| Gun Time | 04:17:05 | Overall Position | 7377 |
| Chip Time | 04:16:30 | Chip Position | 7389 |