| Event | 2012 Dublin - Marathon |
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| Name | Barry O' Callaghan | Club | Race Number | 3502 | Date | 29/10/2012 | |
| Gender | Male | Gender Position | 3403 of 8779 | Category | M40 | Category Position | 668 of 1608 |
| to 10K | 00:51:04 | Stage Position | 3423 |
| 10K to Half | 00:56:36 | Stage Position | 3528 |
| Half to 20Mile | 00:58:59 | Stage Position | 3736 |
| Gun Time | 03:46:09 | Overall Position | 3809 |
| Chip Time | 03:45:26 | Chip Position | 3797 |