| Alex Walker's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2022 Golden Gate Dirty 30 (50K) | Colorado, US | 20 | Friday, June 3, 2022 | 06:13:48.00 |
| Quad Rock 2021 (Quad Rock 25) | Colorado, US | 19 | Saturday, May 8, 2021 | 05:06:33.00 |
| Alex Walker's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2022 Golden Gate Dirty 30 (50K) | Colorado, US | 20 | Friday, June 3, 2022 | 06:13:48.00 |
| Quad Rock 2021 (Quad Rock 25) | Colorado, US | 19 | Saturday, May 8, 2021 | 05:06:33.00 |