Wins by smallest/biggest margin
Who won by the smallest of margins?
| Pos. | Year | Timegap | Winner | 2nd |
|---|---|---|---|---|
| 1 | 1941 | 0:00 | RODRÍGUEZ Delio | TRUEBA Fermín |
| 2 | 1940 | 0:00 | RODRÍGUEZ Delio | OLMOS Joaquín |
| 3 | 1935 | 0:00 | ESCURIET Antonio | DE CASTRO Bernardo |
| 4 | 1932 | 0:00 | EZQUERRA Federico | MONTERO Ricardo |
| 5 | 1939 | 0:19 | EZQUERRA Federico | GOENAGA Francisco |
| 6 | 1934 | 0:30 | TRUEBA Fermín | CARRETERO Vicente |
| 7 | 1930 | 0:35 | MONTERO Luciano | BASTIDA Eusebio |
| 8 | 1947 | 3:30 | LANGARICA Dalmacio | MICHELENA Francisco |
| 9 | 1923 | 4:52 | RUÍZ Isalas | LOROÑO Remigio |
| 10 | 1929 | 6:52 | CEPEDA Francisco | ARAMBERRI Antonio |