| Event | 2012 Dublin - Marathon |
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| Name | Mairead Byrne | Club | Race Number | 8255 | Date | 29/10/2012 | |
| Gender | Female | Gender Position | 1478 of 3598 | Category | FS | Category Position | 611 of 1377 |
| to 10K | 00:57:55 | Stage Position | 7489 |
| 10K to Half | 01:02:47 | Stage Position | 6657 |
| Half to 20Mile | 01:10:33 | Stage Position | 8035 |
| Gun Time | 04:18:38 | Overall Position | 7550 |
| Chip Time | 04:17:19 | Chip Position | 7474 |