| Event | 2012 Snowdonia - Marathon |
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| Name | Alwyn Williams | Club | Eryri Harriers | Race Number | 1752 | Date | 27/10/2012 |
| Gender | Male | Gender Position | 1135 of 1212 | Category | MOPEN | Category Position | 471 of 499 |
| Half Marathon | 02:13:37 | Stage Position | 1272 |
| Gun Time | 05:28:23 | Overall Position | 1404 |
| Chip Time | 05:27:31 | Chip Position | 1406 |