| Event | 2012 Dublin - Marathon |
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| Name | Brian Collins | Club | Race Number | 1426 | Date | 29/10/2012 | |
| Gender | Male | Gender Position | 458 of 8779 | Category | M45 | Category Position | 44 of 1019 |
| to 10K | 00:41:16 | Stage Position | 271 |
| 10K to Half | 00:45:53 | Stage Position | 277 |
| Half to 20Mile | 00:48:06 | Stage Position | 560 |
| Gun Time | 03:02:11 | Overall Position | 478 |
| Chip Time | 03:01:51 | Chip Position | 465 |