Most racedays with other riders
Riders sorted by the number of times they started in the same race as Manuel Aizpuru.
| # | Rider | Number of races |
|---|---|---|
| 1 | VIDAURRETA Hortensio | 5 |
| 2 | ALOMAR Francisco | 4 |
| 3 | MONTERO Luciano | 4 |
| 4 | SAN EMETERIO Julián | 4 |
| 5 | BARRUTIA Cosme | 4 |
| 6 | BRUNA Ángel | 3 |
| 7 | BLANCO Senén | 3 |
| 8 | MORALES Jesús | 3 |
| 9 | MORALES Carmelo | 3 |
| 10 | ESCOLANO José | 3 |
| 11 | MORAN Andrés | 3 |
| 12 | CRUZ Adolfo | 3 |
| 13 | TROBAT Andrés | 3 |
| 14 | GELABERT Antonio | 3 |
| 15 | MANCISIDOR Martín | 2 |
| 16 | JARQUE Salvador | 2 |
| 17 | MATEO José | 2 |
| 18 | MASIP Francesco | 2 |
| 19 | LANGARICA Dalmacio | 2 |
| 20 | SARTINI Lido | 2 |
| 21 | LANDA José Antonio | 2 |
| 22 | ARBELAIZ Ponciano | 2 |
| 23 | GALDEANO Jesús | 2 |
| 24 | GARCÍA Victorio | 2 |
| 25 | ITURAT Vicente | 2 |
| 26 | LOROÑO Jesús | 2 |
| 27 | LAHOZ José Luis | 2 |
| 28 | CORRALES Mariano | 2 |
| 29 | SANT Pedro | 2 |
| 30 | SAURA Gabriel | 2 |
| 31 | BIBILONI Juan | 2 |
| 32 | CAPÓ Bernardo | 2 |
| 33 | NAVARRO Luis | 2 |
| 34 | MESA Senén | 2 |
| 35 | AGUIRREZABAL Julián | 2 |
| 36 | SERRA José | 1 |
| 37 | GUAL Miguel | 1 |
| 38 | HERNÁN Emilio | 1 |
| 39 | ALBERDI Felipe | 1 |
| 40 | CANAVESE Dominique | 1 |
| 41 | CHAPATTE Robert | 1 |
| 42 | CALUCHO Jaime | 1 |
| 43 | SALAVERRIA Joaquin | 1 |
| 44 | FILBA Joaquim | 1 |
| 45 | DIEDERICH Bim | 1 |
| 46 | DREI Umberto | 1 |
| 47 | KEMP Willy | 1 |
| 48 | CAPUT Louis | 1 |
| 49 | JIMÉNEZ Cándido | 1 |
| 50 | FERRANDIZ Ricardo | 1 |