| Event | 2015 Brooks Snowdonia - Marathon |
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| Name | Jon Willis | Club | Race Number | 1879 | Date | 24/10/2015 | |
| Gender | Male | Gender Position | 1238 of 1386 | Category | M40+ | Category Position | 283 of 309 |
| Pen y Pass | 00:55:17 | Stage Position | 1738 |
| Halfway | 02:23:18 | Stage Position | 1301 |
| 23 Miles | 04:24:37 | Stage Position | 1572 |
| Gun Time | 05:14:19 | Overall Position | 1577 |
| Chip Time | 05:11:33 | Chip Position | 1570 |