| Merrily Smith's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Blue Sky Marathon & Half 2024 (Trail Half Marathon) | Colorado, US | 47 | Saturday, October 19, 2024 | 03:11:48.00 |
| Red Feather Trail Jamboree 2023 Half Marathon | Colorado, US | 46 | Sunday, September 24, 2023 | 03:11:25.00 |