| Event | 2016 Brooks Snowdonia - Marathon |
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| Name | Arwyn Williams | Club | Race Number | 2032 | Date | 29/10/2016 | |
| Gender | Male | Gender Position | 1128 of 1515 | Category | M40 | Category Position | 230 of 312 |
| Pen y Pass | 00:49:28 | Stage Position | 1566 |
| Halfway | 02:09:59 | Stage Position | 1382 |
| 23 Miles | 04:02:05 | Stage Position | 1333 |
| Gun Time | 04:52:13 | Overall Position | 1404 |
| Chip Time | 04:50:47 | Chip Position | 1420 |