| Jeff Hemperley's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| ABC 50 (Anza Borrego Cuyamaca 50) (50 Miler) | Arizona, US | 58 | Saturday, December 7, 2024 | Not yet started |
| The Bear 100 2020 | Arizona, US | 54 | Friday, September 25, 2020 | 31:49:46.00 |
| Jeff Hemperley's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| ABC 50 (Anza Borrego Cuyamaca 50) (50 Miler) | Arizona, US | 58 | Saturday, December 7, 2024 | Not yet started |
| The Bear 100 2020 | Arizona, US | 54 | Friday, September 25, 2020 | 31:49:46.00 |