Info
| Last name | Osler |
| First name | Marcello |
| Nationality |  Italy |
| Date of birth | 18-08-1945 |
| Place of birth | Pergine Valsugana |
| Passed away | 21-07-2023 |
| Age when passed away | 77 |
| Place of passing | Pergine Valsugana |
Monuments
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 03-08 | 10 | Giro dell'Appennino (1.2) | |||||
| 01-08 | 5 |  GP Kanton Aargau (1.1) | |||||
| Giro d'Italia (2.HC) | |||||||
| 7 |  Mountain | ||||||
| 07-06 | Stage 21Alleghe - Passo dello Stelvio (186.0km) | ||||||
| 05-06 | 5 | Stage 19Baselga di Pinè - Pordenone (175.0km) | |||||
| 01-06 | 7 | Stage 15Forte dei Marmi - Arenzano (203.0km) | |||||
| 24-05 | 1 | Stage 8Potenza - Sorrento (220.0km) | |||||
| 23-05 | 6 | Stage 7aCastrovillari - Padula (123.0km) | |||||
| 06-04 | 19 |  Ronde van Vlaanderen (CDM) | |||||
| Ronde van België (2.3) | |||||||
| 7 |  Standings | ||||||
| 03-04 | Stage 5bHeverlee - Heverlee (77.0km) | ||||||
| 03-04 | 7 | Stage 5aWaremme - Heverlee (140.0km) | |||||
| 01-04 | 7 | Stage 3Oostende - Soignies (195.0km) | |||||
| 30-03 | 6 | Stage 1bGenk - Kampenhout (166.0km) | |||||
| 19-03 | 91 | Milano-Sanremo (CDM) | |||||
Teams
| Year | Team |
|---|---|
| 1980 | Sanson - Campagnolo |
| 1979 | Sanson - Luxor TV |
| 1978 | Selle Royal - Inoxpran |
| 1977 | Brooklyn |
| 1976 | Brooklyn |
| 1975 | Brooklyn |
| 1974 | Sammontana |
| 1973 | Sammontana |
Victories
| This year | 0 |
| Total | 1 |