| Event | 2017 Buff Winter Trail Wales - Half Marathon |
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| Name | Derek Ralphs | Club | Race Number | 441 | Date | 21/01/2017 | |
| Gender | Male | Gender Position | 314 of 314 | Category | MV50 | Category Position | 48 of 48 |
| Gun Time | 03:56:23 | Overall Position | 510 |
| Chip Time | 03:55:05 | Chip Position | 508 |