| Event | 2016 Brooks Snowdonia - Marathon |
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| Name | Shelagh Stelfox | Club | Race Number | 2963 | Date | 29/10/2016 | |
| Gender | Female | Gender Position | 580 of 619 | Category | F50 | Category Position | 69 of 72 |
| Pen y Pass | 01:00:50 | Stage Position | 2080 |
| Halfway | 02:49:19 | Stage Position | 1984 |
| 23 Miles | 05:19:57 | Stage Position | 2039 |
| Gun Time | 06:24:31 | Overall Position | 2040 |
| Chip Time | 06:20:17 | Chip Position | 2035 |