| Chuck Brenton's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Quad Rock 2025 (Quad Rock 50) | Colorado, US | 38 | Saturday, May 10, 2025 | 11:17:35.00 |
| Quad Rock 2024 (Quad Rock 50) | Colorado, US | 37 | Saturday, May 11, 2024 | Not yet started |
| Never Summer 60k (2023) | Colorado, US | 36 | Friday, July 28, 2023 | 11:17:53.00 |
| Quad Rock 2023 (Quad Rock 25) | Colorado, US | 36 | Saturday, May 6, 2023 | 05:35:18.00 |
| Quad Rock 2022 (Quad Rock 25) | Colorado, US | 35 | Saturday, May 7, 2022 | 06:42:29.00 |