| Jeff Calvert's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2025 | Pennsylvania, US | 60 | Friday, July 11, 2025 | 44:58:16.00 |
| The Bear 100 2019 | Pennsylvania, US | 54 | Friday, September 27, 2019 | 28:55:57.00 |
| Jeff Calvert's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2025 | Pennsylvania, US | 60 | Friday, July 11, 2025 | 44:58:16.00 |
| The Bear 100 2019 | Pennsylvania, US | 54 | Friday, September 27, 2019 | 28:55:57.00 |