| Event | 2012 Snowdonia - Marathon |
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| Name | Sion Williams | Club | Race Number | 1782 | Date | 27/10/2012 | |
| Gender | Male | Gender Position | 1077 of 1212 | Category | MOPEN | Category Position | 445 of 499 |
| Half Marathon | 02:21:33 | Stage Position | 1369 |
| Gun Time | 05:08:51 | Overall Position | 1301 |
| Chip Time | 05:07:22 | Chip Position | 1302 |