| Event | 2010 Snowdonia - Marathon |
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| Name | Alwyn Williams | Club | Eryri Harriers | Race Number | 1786 | Date | 30/10/2010 |
| Gender | Male | Gender Position | 834 of 1047 | Category | MOPEN | Category Position | 399 of 494 |
| Gun Time | 04:50:54 | Overall Position | 992 |
| Chip Time | 04:49:45 | Chip Position | 992 |