| Event | 2017 Brooks Snowdonia - Marathon |
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| Name | Mark Williams | Club | Race Number | 2111 | Date | 28/10/2017 | |
| Gender | Male | Gender Position | 1142 of 1596 | Category | MOPEN | Category Position | 388 of 506 |
| Pen-y-Pass | 00:46:56 | Stage Position | 1305 |
| 14Miles | 02:15:48 | Stage Position | 1290 |
| 23Miles | 03:58:05 | Stage Position | 1296 |
| Gun Time | 04:51:34 | Overall Position | 1436 |
| Chip Time | 04:49:01 | Chip Position | 1427 |