All available race results Miguel Portilla
| Date | Race | Rank |
| 31/07 | Circuito de Getxo | 13 |
Rider information for 1930
| Rank | 399 |
| Score | 51 |
| Name | Miguel PORTILLA |
| Country | Spain |
| Team | Sociedad Ciclista Bilbaina |
No results available in season 1931.
Rider information for 1931
| Rank | 727 |
| Score | 10 |
| Name | Miguel PORTILLA |
| Country | Spain |
| Team | Sociedad Ciclista Bilbaina |
| Date | Race | Rank |
| 07/08 | G.P. Vizcaya | 10 |
Rider information for 1932
| Rank | 765 |
| Score | 11 |
| Name | Miguel PORTILLA |
| Country | Spain |
| Team | Txapei Gorri |
No results available in season 1933.
Rider information for 1933
| Rank | 1298 |
| Score | 0 |
| Name | Miguel PORTILLA |
| Country | Spain |
| Team | Sociedad Ciclista Bilbaina |
No results available in season 1934.
Rider information for 1934
| Rank | 1441 |
| Score | 0 |
| Name | Miguel PORTILLA |
| Country | Spain |
| Team | Sociedad Ciclista Bilbaina |