All available race results Marcel Zelasco
| Date | Race | Rank |
| 02/02 | Critérium de l'Echo d'Oran | 10 |
| 02/03 | G.P. de l'Echo d'Alger | 4 |
| Trophée du "Journal d'Alger" | ||
| 04/05 | Stage 1a | 15 |
| 04/05 | Stage 2 | 8 |
| 04/05 | General Classification | 9 |
Rider information for 1947
| Rank | 351 |
| Score | 105 |
| Name | Marcel ZELASCO |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 29/02 | Critérium de l'Echo d'Oran | 19 |
| 07/03 | G.P. de l'Echo d'Alger | 8 |
| 08/05 | Trophée du "Journal d'Alger" | 6 |
Rider information for 1948
| Rank | 439 |
| Score | 90 |
| Name | Marcel ZELASCO |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 06/03 | G.P. de l'Echo d'Alger | 11 |
| Tour d'Algérie | ||
| 22/03 | Stage 9 | 4 |
Rider information for 1949
| Rank | 724 |
| Score | 30 |
| Name | Marcel ZELASCO |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 05/03 | G.P. de l'Echo d'Alger | 10 |
| Tour d'Afrique du Nord | ||
| 14/03 | Stage 1 | 5 |
| 16/03 | Stage 3 | 8 |
| 22/03 | Stage 8 | 9 |
| 24/03 | Stage 10 | 4 |
| 01/04 | Stage 17 | 5 |
| 01/04 | General Classification | 5 |
| Tour de France | ||
| 13/07 | Stage 1 | 13 |
| 14/07 | Stage 2 | 27 |
| 15/07 | Stage 3 | 48 |
| 16/07 | Stage 4 | 112 |
| 17/07 | Stage 5 | 94 |
| 19/07 | Stage 6 | 96 |
| 20/07 | Stage 7 | 35 |
| 21/07 | Stage 8 | 11 |
| 22/07 | Stage 9 | 14 |
| 23/07 | Stage 10 | 10 |
| 25/07 | Stage 11 | 58 |
| 26/07 | Stage 12 | 67 |
| 27/07 | Stage 13 | 32 |
| 28/07 | Stage 14 | 2 |
| 29/07 | Stage 15 | 37 |
| 30/07 | Stage 16 | 54 |
| 01/08 | Stage 17 | 35 |
Rider information for 1950
| Rank | 220 |
| Score | 283 |
| Name | Marcel ZELASCO |
| Country | France |
| Team | Métropole - Dunlop - Hutchinson |
| Date | Race | Rank |
| 25/02 | Critérium de l'Echo d'Oran | 5 |
| Tour d'Afrique du Nord | ||
| 14/03 | Stage 8 | 3 |
| 16/03 | Stage 10 | 3 |
| 17/03 | Stage 11 | 2 |
| 17/03 | General Classification | 13 |
| Grand Prix de Constantine et des Ziban | ||
| 07/04 | Stage 1 | 4 |
| 08/04 | Stage 2 | 8 |
| 08/04 | Stage 3 | 1 |
| 08/04 | General Classification | 3 |
| 01/05 | Paris - Clermont-Ferrand | 10 |
| Tour du Sud-Est | ||
| 10/05 | Stage 3 | 6 |
| 13/05 | General Classification | 9 |
| 27/05 | Trophée du "Journal d'Alger" | 1 |
| Tour de France | ||
| 04/07 | Stage 1 | 14 |
| 05/07 | Stage 2 | 93 |
| 06/07 | Stage 3 | 9 |
| 07/07 | Stage 4 | 9 |
| 08/07 | Stage 5 | 110 |
| 09/07 | Stage 6 | 27 |
Rider information for 1951
| Rank | 172 |
| Score | 299 |
| Name | Marcel ZELASCO |
| Country | France |
| Team | Alcyon - Dunlop |
| Date | Race | Rank |
| 24/02 | Critérium de l'Echo d'Oran | 5 |
| 02/03 | G.P. de l'Echo d'Alger | 13 |
| Tour d'Afrique du Nord | ||
| 04/03 | Stage 1 | 1 |
| 06/03 | Stage 3 | 13 |
| 08/03 | Stage 5 | 25 |
| 12/03 | Stage 8 | 13 |
| 13/03 | Stage 9 | 3 |
| 14/03 | Stage 10 | 3 |
| 15/03 | Stage 11 | 14 |
| 15/03 | General Classification | 7 |
| Tour du Maroc | ||
| 15/04 | Stage 1 | 6 |
| Grand Prix de Constantine et des Ziban | ||
| 10/05 | Stage 1 | 7 |
| 11/05 | Stage 2 | 7 |
| 11/05 | Stage 3 | 3 |
| 12/05 | Stage 4 | 4 |
| 13/05 | Stage 6 | 1 |
| 13/05 | General Classification | 2 |
| 25/05 | Trophée du "Journal d'Alger" | 3 |
| Paris - Saint-Etienne | ||
| 02/06 | General Classification | 13 |
| Tour de France | ||
| 25/06 | Stage 1 | 22 |
| 26/06 | Stage 2 | 58 |
| 27/06 | Stage 3 | 56 |
| 28/06 | Stage 4 | 13 |
| 29/06 | Stage 5 | 23 |
| 30/06 | Stage 6 | 46 |
| 01/07 | Stage 7 | 94 |
| 02/07 | Stage 8 | 21 |
| 03/07 | Stage 9 | 38 |
| 04/07 | Stage 10 | 26 |
| 06/07 | Stage 11 | 22 |
| 08/07 | Stage 13 | 24 |
| 09/07 | Stage 14 | 27 |
| 10/07 | Stage 15 | 42 |
| 11/07 | Stage 16 | 35 |
| 13/07 | Stage 17 | 22 |
| 14/07 | Stage 18 | 16 |
| 15/07 | Stage 19 | 45 |
| 16/07 | Stage 20 | 34 |
| 17/07 | Stage 21 | 18 |
| 18/07 | Stage 22 | 16 |
| 19/07 | Stage 23 | 13 |
| General Classification | 18 |
Rider information for 1952
| Rank | 69 |
| Score | 660 |
| Name | Marcel ZELASCO |
| Country | France |
| Team | Gitane - Hutchinson |
| Date | Race | Rank |
| 02/03 | G.P. de l'Echo d'Alger | 9 |
| Tour d'Afrique du Nord | ||
| 04/03 | Stage 1 | 18 |
| 05/03 | Stage 2 | 10 |
| 07/03 | Stage 4 | 15 |
| 08/03 | Stage 5 | 10 |
| 14/03 | Stage 10a | 1 |
| 14/03 | General Classification | 13 |
| 16/05 | Trophée du "Journal d'Alger" | 5 |
| Tour de France | ||
| 03/07 | Stage 1 | 26 |
| 04/07 | Stage 2 | 55 |
Rider information for 1953
| Rank | 405 |
| Score | 75 |
| Name | Marcel ZELASCO |
| Country | France |
| Team | La Française - Dunlop |
| Date | Race | Rank |
| 28/02 | Critérium de l'Echo d'Oran | 14 |
| 06/03 | G.P. de l'Echo d'Alger | 5 |
| Tour du Maroc | ||
| 21/04 | Stage 2 | 8 |
| 30/04 | Stage 9b | 2 |
| 01/05 | Stage 10 | 8 |
| 01/05 | General Classification | 8 |
| Tour du Sud-Est | ||
| 21/05 | Stage 1 | 6 |
Rider information for 1954
| Rank | 336 |
| Score | 102 |
| Name | Marcel ZELASCO |
| Country | France |
| Team | La Perle - Hutchinson |
| Date | Race | Rank |
| 27/02 | Critérium de l'Echo d'Oran | 20 |
| 06/03 | G.P. de l'Echo d'Alger | 11 |
Rider information for 1955
| Rank | 724 |
| Score | 25 |
| Name | Marcel ZELASCO |
| Country | France |
| Team | La Perle - Hutchinson |