All available race results Isidoro Urquiza
| Date | Race | Rank |
| 31/07 | Circuito de Getxo | 15 |
Rider information for 1924
| Rank | 1421 |
| Score | 0 |
| Name | Isidoro URQUIZA |
| Country | Spain |
| Team | Individual |
| Date | Race | Rank |
| 31/07 | Circuito de Getxo | 15 |
| Rank | 1421 |
| Score | 0 |
| Name | Isidoro URQUIZA |
| Country | Spain |
| Team | Individual |