| Darryl Denny's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2021 Silverton Ultra Dirty (100 mile) | California, US | 53 | Friday, August 6, 2021 | Not yet started |
| 2019 Golden Gate Dirty 30 (50K) | California, US | 51 | Saturday, June 1, 2019 | 08:28:38.00 |
| Darryl Denny's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2021 Silverton Ultra Dirty (100 mile) | California, US | 53 | Friday, August 6, 2021 | Not yet started |
| 2019 Golden Gate Dirty 30 (50K) | California, US | 51 | Saturday, June 1, 2019 | 08:28:38.00 |