All available race results Decimo Bettini
| Date | Race | Rank |
| 15/08 | Marseille - Lyon | 20 |
Rider information for 1931
| Rank | 568 |
| Score | 20 |
| Name | Decimo BETTINI |
| Country | Italy |
| Team | Individual |
| Date | Race | Rank |
| 20/03 | Nice - Mont Agel | 40 |
| 14/07 | Circuit du Midi | 12 |
| 15/08 | Marseille - Lyon | 10 |
Rider information for 1932
| Rank | 283 |
| Score | 87 |
| Name | Decimo BETTINI |
| Country | Italy |
| Team | Individual |
| Date | Race | Rank |
| Paris - Nice | ||
| 19/03 | General Classification | 26 |
| 26/03 | Milano - Sanremo | 8 |
| 23/04 | Paris - Bruxelles | 30 |
| 30/04 | Paris - Tours | 20 |
| Tour de France | ||
| 27/06 | Stage 1 | 41 |
| 28/06 | Stage 2 | 37 |
| 29/06 | Stage 3 | 45 |
| 30/06 | Stage 4 | 57 |
| 01/07 | Stage 5 | 7 |
| 03/07 | Stage 6 | 27 |
| 04/07 | Stage 7 | 42 |
| 05/07 | Stage 8 | 14 |
| 06/07 | Stage 9 | 33 |
| 07/07 | Stage 10 | 36 |
| 09/07 | Stage 11 | 29 |
| 10/07 | Stage 12 | 9 |
| 11/07 | Stage 13 | 7 |
| 12/07 | Stage 14 | 11 |
| 14/07 | Stage 15 | 20 |
| 15/07 | Stage 16 | 23 |
| 16/07 | Stage 17 | 13 |
| 17/07 | Stage 18 | 26 |
| 19/07 | Stage 19 | 7 |
| 20/07 | Stage 20 | 9 |
| 21/07 | Stage 21 | 40 |
| 22/07 | Stage 22 | 26 |
| 23/07 | Stage 23 | 5 |
| General Classification | 21 | |
| 15/08 | Marseille - Lyon | 4 |
| G.P. de la ville de Bône | ||
| 01/11 | Stage 3 | 5 |
| 02/11 | Stage 4 | 3 |
Rider information for 1933
| Rank | 39 |
| Score | 970 |
| Name | Decimo BETTINI |
| Country | Italy |
| Team | Individual |
| Date | Race | Rank |
| Circuit du Midi | ||
| 14/07 | Stage 1 | 7 |
| 15/07 | General Classification | 5 |
| 15/08 | Marseille - Lyon | 8 |
| G.P. Cycliste Algérien | ||
| 26/09 | Stage 1 | 9 |
| 27/09 | Stage 2 | 5 |
| 29/09 | Stage 4 | 7 |
| 04/10 | Stage 8 | 9 |
| 05/10 | Stage 9 | 4 |
| 06/10 | Stage 10 | 5 |
| 07/10 | Stage 11 | 5 |
| 07/10 | General Classification | 5 |
Rider information for 1934
| Rank | 172 |
| Score | 197 |
| Name | Decimo BETTINI |
| Country | Italy |
| Team | Individual |
| Date | Race | Rank |
| G.P. de la ville de Bône | ||
| 05/11 | Stage 1 | 5 |
| 06/11 | Stage 2 | 7 |
| 16/11 | Stage 11 | 7 |
| 17/11 | General Classification | 14 |
Rider information for 1935
| Rank | 1627 |
| Score | 0 |
| Name | Decimo BETTINI |
| Country | Italy |
| Team | Individual |
| Date | Race | Rank |
| Tour de France | ||
| 07/07 | Stage 1 | 3 |
| 08/07 | Stage 2 | 10 |
| 09/07 | Stage 3 | 22 |
| 10/07 | Stage 4 | 26 |
| 11/07 | Stage 5 | 44 |
| 13/07 | Stage 6 | 44 |
| 14/07 | Stage 7 | 22 |
| 15/07 | Stage 8 | 17 |
| 16/07 | Stage 9 | 41 |
| 18/07 | Stage 10 | 9 |
| 19/07 | Stage 11 | 19 |
| 21/07 | Stage 12 | 9 |
| 22/07 | Stage 13a | 8 |
| 22/07 | Stage 13b | 26 |
| 23/07 | Stage 14a | 7 |
| 15/08 | Marseille - Lyon | 5 |
| 14/09 | Circuit de Lyon | 1 |
| 20/09 | Circuit des Alpes | 1 |
Rider information for 1936
| Rank | 101 |
| Score | 533 |
| Name | Decimo BETTINI |
| Country | Italy |
| Team | Thomann - Dunlop |
| Date | Race | Rank |
| 21/03 | Critérium National | 29 |
| Tour du Maroc | ||
| 03/04 | Stage 1 | 4 |
| 04/04 | Stage 2 | 2 |
| 09/04 | Stage 6 | 6 |
| 10/04 | Stage 7 | 4 |
| 12/04 | Stage 8 | 10 |
| 14/04 | Stage 10 | 3 |
| 16/04 | Stage 11 | 5 |
| 18/04 | General Classification | 5 |
| Tour du Sud-Ouest | ||
| 10/06 | Stage 2b | 8 |
| 13/06 | General Classification | 2 |
| 15/08 | Marseille - Lyon | 6 |
| 17/10 | Marseille - Avignon - Marseille | 3 |
Rider information for 1937
| Rank | 228 |
| Score | 159 |
| Name | Decimo BETTINI |
| Country | Italy |
| Team | Individual |
| Date | Race | Rank |
| Tour du Sud-Est | ||
| 29/05 | Stage 9 | 6 |
| 29/05 | General Classification | 21 |
| 14/07 | Circuit du Midi | 1 |
| Tour de Suisse | ||
| 14/08 | General Classification | 35 |
| 13/11 | Genova - Nizza | 29 |
Rider information for 1938
| Rank | 242 |
| Score | 162 |
| Name | Decimo BETTINI |
| Country | Italy |
| Team | France Sport - Dunlop |
| Date | Race | Rank |
| 26/03 | Critérium National | 28 |
| 09/04 | Paris - Roubaix | 44 |
| 11/04 | Paris - Camembert | 13 |
| 30/04 | Paris - Tours | 15 |
| Tour du Sud-Est | ||
| 22/05 | Stage 1 | 3 |
| 04/06 | Stage 11 | 7 |
| 04/06 | General Classification | 6 |
| Circuit du Midi | ||
| 14/07 | Stage 2a | 3 |
| 15/08 | Marseille - Lyon | 7 |
Rider information for 1939
| Rank | 203 |
| Score | 218 |
| Name | Decimo BETTINI |
| Country | Italy |
| Team | France Sport - Wolber |
| Date | Race | Rank |
| 30/03 | Critérium National (free zone) | 14 |
| 20/04 | Flèche du Rhône | 7 |
| Circuit du Midi | ||
| 12/07 | Stage 1 | 8 |
| 13/07 | Stage 2 | 3 |
| 14/07 | General Classification | 17 |
Rider information for 1941
| Rank | 170 |
| Score | 128 |
| Name | Decimo BETTINI |
| Country | Italy |
| Team | France Sport - Dunlop |
| Date | Race | Rank |
| 29/03 | Critérium National (free zone) | 11 |
Rider information for 1942
| Rank | 419 |
| Score | 14 |
| Name | Decimo BETTINI |
| Country | Italy |
| Team | France Sport - Dunlop |