Info
| Last name | Alonso Deteano |
| First name | Juan Carlos |
| Nationality |  Spain |
| Date of birth | 08-03-1958 |
| Age | 67 |
| Place of birth | Durango |
Monuments
| Year | Milano - San Remo | Tour of Flanders | Paris - Roubaix | Liège-Bastogne-Liège | Il Lombardia |
|---|---|---|---|---|---|
| 1982 | 80th | - | - | - | - |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| Vuelta a España (2.HC) | |||||||
| 27-04 | 10 | Stage 8Sabinanibo - Balneario de Panticosa (38.0km) | |||||
| 19-04 | DNF | Stage 15 | |||||
| Vuelta Ciclista al Pais Vasco (2.1) | |||||||
| 6 |  Standings | ||||||
| 08-04 | 6 | Stage 5bAzpeitia - Alto de Regil (15.0km) | |||||
 Paris - Nice (2.1) | |||||||
| 16-03 | 8 | Stage 7bNice - Col d'Eze (11.0km) | |||||
Teams
| Year | Team |
|---|---|
| 1986 | Seat - Orbea |
| 1985 |  Alpilatte - Olmo - cierre |
| 1984 | Alfa Lum - Olmo |
| 1983 | Teka |
| 1982 | Teka |
| 1981 | Teka - Campagnolo |
| 1980 | Henninger - Aquila Rossa |
Victories
| This year | 0 |
| Total | 0 |