| Darrel Williams's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Blue Sky Marathon 2021 (Blue Sky) | Colorado, US | 45 | Saturday, October 16, 2021 | 04:55:10.00 |
| Staunton Rocks! Marathon & Half (Marathon) | Colorado, US | 44 | Saturday, August 28, 2021 | 05:44:37.00 |
| Darrel Williams's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Blue Sky Marathon 2021 (Blue Sky) | Colorado, US | 45 | Saturday, October 16, 2021 | 04:55:10.00 |
| Staunton Rocks! Marathon & Half (Marathon) | Colorado, US | 44 | Saturday, August 28, 2021 | 05:44:37.00 |