| Henry Knutzen's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 60k (2025) | Colorado, US | 31 | Friday, July 25, 2025 | 09:55:31.00 |
| Blue Sky Marathon & Half 2023 (Trail Marathon) | Colorado, US | 29 | Saturday, October 21, 2023 | 05:05:22.00 |
| Henry Knutzen's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 60k (2025) | Colorado, US | 31 | Friday, July 25, 2025 | 09:55:31.00 |
| Blue Sky Marathon & Half 2023 (Trail Marathon) | Colorado, US | 29 | Saturday, October 21, 2023 | 05:05:22.00 |