| Event | 2010 Snowdonia - Marathon |
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| Name | Bryn Williams | Club | Eryri Harriers | Race Number | 1790 | Date | 30/10/2010 |
| Gender | Male | Gender Position | 220 of 1047 | Category | MOPEN | Category Position | 105 of 494 |
| Gun Time | 03:43:54 | Overall Position | 240 |
| Chip Time | 03:42:17 | Chip Position | 226 |