| Nico de Vries's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2023 Sawatch Ascent 50k | Colorado, US | 40 | Sunday, September 24, 2023 | 06:11:13.00 |
| 2023 West Line Winder 50k | Colorado, US | 40 | Saturday, September 23, 2023 | 04:22:53.00 |
| Nico de Vries's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2023 Sawatch Ascent 50k | Colorado, US | 40 | Sunday, September 24, 2023 | 06:11:13.00 |
| 2023 West Line Winder 50k | Colorado, US | 40 | Saturday, September 23, 2023 | 04:22:53.00 |