| Event | 2012 Dublin - Marathon |
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| Name | John Williams | Club | Race Number | 3766 | Date | 29/10/2012 | |
| Gender | Male | Gender Position | 1796 of 8779 | Category | M40 | Category Position | 357 of 1608 |
| to 10K | 00:49:30 | Stage Position | 2587 |
| 10K to Half | 00:54:38 | Stage Position | 2539 |
| Half to 20Mile | 00:54:50 | Stage Position | 2127 |
| Gun Time | 03:28:21 | Overall Position | 1919 |
| Chip Time | 03:27:00 | Chip Position | 1854 |