| Event | 2012 Dublin - Marathon |
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| Name | Joe O' Brien | Club | Race Number | 1695 | Date | 29/10/2012 | |
| Gender | Male | Gender Position | 560 of 8779 | Category | MS | Category Position | 238 of 3002 |
| to 10K | 00:40:52 | Stage Position | 221 |
| 10K to Half | 00:46:34 | Stage Position | 343 |
| Half to 20Mile | 00:48:58 | Stage Position | 650 |
| Gun Time | 03:05:53 | Overall Position | 588 |
| Chip Time | 03:05:46 | Chip Position | 587 |