Info
| Last name | Duyndam |
| First name | Leo |
| Nationality |  Netherlands |
| Date of birth | 02-01-1948 |
| Place of birth | Poeldijk |
| Passed away | 26-07-1990 |
| Age when passed away | 42 |
| Place of passing |  Tourrettes-sur-Loup |
Monuments
| Date | Rank | Race |
|---|---|---|
| 02-09 | 16 | World Championship Amateurs (WC) |
Teams
| Year | Team |
|---|---|
| 1974 | Frisol - Flair Plastics |
| 1973 | Frisol(from 01-06) |
| 1973 | Gitane - Frigecreme(until 31-05) |
| 1972 | Goudsmit - Hoff |
| 1971 | Goudsmit - Hoff |
| 1970 | Caballero - Laurens |
| 1969 | Caballero |
| 1968 |  Smiths |
Victories
| This year | 0 |
| Total | 4 |