| William Merchant's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Blue Sky Trail Marathon 2025 (Trail Marathon) | Colorado, US | 41 | Saturday, October 18, 2025 | 06:33:52.00 |
| Blue Sky Marathon & Half 2024 (Trail Marathon) | Colorado, US | 40 | Saturday, October 19, 2024 | 06:21:25.00 |