| Event | 2017 Brooks Snowdonia - Marathon |
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| Name | John Williams | Club | Race Number | 2108 | Date | 28/10/2017 | |
| Gender | Male | Gender Position | 605 of 1596 | Category | MV45 | Category Position | 128 of 329 |
| Pen-y-Pass | 00:44:07 | Stage Position | 931 |
| 14Miles | 02:05:02 | Stage Position | 857 |
| 23Miles | 03:31:25 | Stage Position | 684 |
| Gun Time | 04:11:40 | Overall Position | 690 |
| Chip Time | 04:09:57 | Chip Position | 686 |