| Tsuyoshi Darby's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Staunton Rocks! Marathon & Half (Marathon) | Colorado, US | 32 | Saturday, August 28, 2021 | 06:24:57.00 |
| 2021 Silverton Ultra Dirty (100 mile) | Colorado, US | 32 | Friday, August 6, 2021 | 39:11:57.00 |
| 2019 Silverton Ultra Marathon (100K) | Colorado, US | 30 | Saturday, August 3, 2019 | 19:12:06.00 |