All available race results Marcel Claeys
| Date | Race | Rank |
| 10/04 | Liège - Bastogne - Liège | 51 |
| 25/04 | Omloop der Vlaamsche Gewesten | 23 |
| 01/05 | Grote 1 Mei-Prijs Hoboken | 5 |
| 09/08 | Omloop der 3 Zustersteden | 19 |
Rider information for 1937
| Rank | 411 |
| Score | 54 |
| Name | Marcel CLAEYS |
| Country | Belgium |
| Team | Dossche Sport |
| Date | Race | Rank |
| 13/03 | Ronde van Limburg | 25 |
| Tour de Belgique | ||
| 18/05 | Stage 1 | 15 |
| 19/05 | Stage 2 | 54 |
| 20/05 | Stage 3 | 1 |
| 21/05 | Stage 4a | 15 |
| 02/08 | Scheldeprijs - Schoten | 12 |
| 15/08 | Omloop der 3 Zustersteden | 5 |
Rider information for 1938
| Rank | 335 |
| Score | 87 |
| Name | Marcel CLAEYS |
| Country | Belgium |
| Team | La Française |
| Date | Race | Rank |
| 12/03 | Ronde van Limburg | 3 |
| 09/04 | Paris - Roubaix | 40 |
| Giro d'Italia | ||
| 28/04 | Stage 1 | 68 |
| 29/04 | Stage 2 | 66 |
| 30/04 | Stage 3 | 72 |
| 01/05 | Stage 4 | 81 |
| 02/05 | Stage 5 | 62 |
| 04/05 | Stage 6a | 13 |
| 04/05 | Stage 6b | 80 |
| 05/05 | Stage 7 | 61 |
| 06/05 | Stage 8 | 4 |
| 07/05 | Stage 9a | 7 |
| 07/05 | Stage 9b | 75 |
| 09/05 | Stage 10 | 70 |
| 10/05 | Stage 11 | 7 |
| 11/05 | Stage 12 | 2 |
| 13/05 | Stage 13 | 33 |
| 14/05 | Stage 14 | 53 |
| 15/05 | Stage 15 | 40 |
| 17/05 | Stage 16 | 54 |
| 18/05 | Stage 17 | 54 |
| 18/05 | General Classification | 52 |
| Tour de Belgique | ||
| 25/05 | Stage 1 | 5 |
| 15/08 | Omloop der 3 Zustersteden | 18 |
Rider information for 1939
| Rank | 122 |
| Score | 414 |
| Name | Marcel CLAEYS |
| Country | Belgium |
| Team | La Française |
| Date | Race | Rank |
| 01/05 | Grote 1 Mei-Prijs Hoboken | 14 |
Rider information for 1943
| Rank | 788 |
| Score | 0 |
| Name | Marcel CLAEYS |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| 26/04 | Nokere Koerse | 19 |
| 01/05 | Grote 1 Mei-Prijs Hoboken | 4 |
Rider information for 1944
| Rank | 308 |
| Score | 15 |
| Name | Marcel CLAEYS |
| Country | Belgium |
| Team | Individual |