| Event | 2012 Dublin - Marathon |
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| Name | Derek Bridgeman | Club | Gardai | Race Number | 17690 | Date | 29/10/2012 |
| Gender | Male | Gender Position | 414 of 8779 | Category | MS | Category Position | 187 of 3002 |
| to 10K | 00:41:56 | Stage Position | 480 |
| 10K to Half | 00:47:38 | Stage Position | 589 |
| Half to 20Mile | 00:47:07 | Stage Position | 432 |
| Gun Time | 03:00:05 | Overall Position | 432 |
| Chip Time | 02:59:57 | Chip Position | 425 |