| Event | 2012 Dublin - Marathon |
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| Name | Brian O' Connor | Club | Race Number | 2298 | Date | 29/10/2012 | |
| Gender | Male | Gender Position | 4492 of 8779 | Category | MS | Category Position | 1581 of 3002 |
| to 10K | 00:47:39 | Stage Position | 1758 |
| 10K to Half | 00:53:04 | Stage Position | 1939 |
| Half to 20Mile | 01:06:38 | Stage Position | 6810 |
| Gun Time | 03:57:59 | Overall Position | 5230 |
| Chip Time | 03:57:19 | Chip Position | 5244 |