| Event | 2010 Snowdonia - Marathon |
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| Name | Graham Dyson | Club | Police-West Yorkshire | Race Number | 1972 | Date | 30/10/2010 |
| Gender | Male | Gender Position | 445 of 1047 | Category | M40+ | Category Position | 97 of 201 |
| Gun Time | 04:04:45 | Overall Position | 504 |
| Chip Time | 04:04:24 | Chip Position | 511 |