| Event | 2012 Dublin - Marathon |
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| Name | Mary Byrne | Club | Race Number | 8615 | Date | 29/10/2012 | |
| Gender | Female | Gender Position | 1422 of 3598 | Category | F50 | Category Position | 57 of 209 |
| to 10K | 01:02:31 | Stage Position | 9265 |
| 10K to Half | 01:05:46 | Stage Position | 7933 |
| Half to 20Mile | 01:06:13 | Stage Position | 6689 |
| Gun Time | 04:17:26 | Overall Position | 7424 |
| Chip Time | 04:15:11 | Chip Position | 7242 |