| Event | 2012 Dublin - Marathon |
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| Name | Billy Grogan | Club | Race Number | 8771 | Date | 29/10/2012 | |
| Gender | Male | Gender Position | 5411 of 8779 | Category | MS | Category Position | 1887 of 3002 |
| to 10K | 00:53:36 | Stage Position | 4853 |
| 10K to Half | 00:58:51 | Stage Position | 4537 |
| Half to 20Mile | 01:10:32 | Stage Position | 8032 |
| Gun Time | 04:08:30 | Overall Position | 6484 |
| Chip Time | 04:08:06 | Chip Position | 6504 |