All available race results Giacomo Grioni
| Date | Race | Rank |
| Giro dell'Umbria | ||
| 02/09 | Stage 1 | 3 |
| 04/09 | General Classification | 13 |
Rider information for 1955
| Rank | 1373 |
| Score | 1 |
| Name | Giacomo GRIONI |
| Country | Italy |
| Team | Individual |
| Date | Race | Rank |
| 01/03 | Sassari - Cagliari | 32 |
| 08/03 | Milano - Torino | 18 |
| 19/03 | Milano - Sanremo | 35 |
| 26/07 | Milano - Vignola | 17 |
| 02/08 | Coppa Bernocchi | 31 |
| 05/09 | Giro del Piemonte | 21 |
| 13/09 | Tre Valli Varesine | 29 |
| 04/10 | Giro dell'Emilia | 32 |
| 14/10 | Coppa Agostoni | 45 |
| 18/10 | Giro di Lombardia | 110 |
Rider information for 1959
| Rank | 246 |
| Score | 203 |
| Name | Giacomo GRIONI |
| Country | Italy |
| Team | Legnano - Pirelli |
| Date | Race | Rank |
| 06/03 | Sassari - Cagliari | 21 |
| 12/03 | Milano - Torino | 24 |
| Giro d'Italia | ||
| 19/05 | Stage 1 | 16 |
| 20/05 | Stage 2 | 113 |
| 21/05 | Stage 3 | 105 |
| 31/07 | Giro del Piemonte | 64 |
| 15/08 | Milano - Vignola | 11 |
| 11/09 | Coppa Bernocchi | 29 |
| 18/09 | Giro del Lazio | 49 |
Rider information for 1960
| Rank | 444 |
| Score | 78 |
| Name | Giacomo GRIONI |
| Country | Italy |
| Team | Legnano |
| Date | Race | Rank |
| Menton - Genova - Roma | ||
| 24/03 | General Classification | 60 |
| 07/05 | Giro di Romagna | 35 |
| Tour de Romandie | ||
| 14/05 | General Classification | 26 |
| 15/08 | Milano - Vignola | 53 |
| 04/10 | Giro dell'Emilia | 75 |
Rider information for 1961
| Rank | 383 |
| Score | 106 |
| Name | Giacomo GRIONI |
| Country | Italy |
| Team | Legnano |
| Date | Race | Rank |
| Vuelta a España | ||
| 27/04 | Stage 1 | 7 |
| 01/07 | Coppa Placci | 34 |
Rider information for 1962
| Rank | 759 |
| Score | 11 |
| Name | Giacomo GRIONI |
| Country | Italy |
| Team | San Pellegrino Sport |
No results available in season 1963.
Rider information for 1963
| Rank | 1191 |
| Score | 0 |
| Name | Giacomo GRIONI |
| Country | Italy |
| Team | Firte |