| Chuck Clark's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 100k (2025) (100k) | Texas, US | 54 | Saturday, July 26, 2025 | 22:52:58.00 |
| Laurel Highlands Ultra 2024 (70.5) | Texas, US | 52 | Saturday, June 8, 2024 | 17:47:54.00 |
| Chuck Clark's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 100k (2025) (100k) | Texas, US | 54 | Saturday, July 26, 2025 | 22:52:58.00 |
| Laurel Highlands Ultra 2024 (70.5) | Texas, US | 52 | Saturday, June 8, 2024 | 17:47:54.00 |