Most grandtour starts by competitors
Number of starts in grand tours before the start of Paris-Bruxelles 1921.
| Pos. | Rider | Starts | Tour | Giro | Vuelta |
|---|---|---|---|---|---|
| 1 | DELOFFRE Jules | 8 | 8 | - | - |
| 2 | SELLIER Félix | 1 | 1 | - | - |
| 3 | CLAERHOUT Arthur | 1 | 1 | - | - |
| 4 | VAN HECKE Alfons | 1 | 1 | - | - |
| 5 | BEECKMAN Théophile | 1 | 1 | - | - |
| 6 | RAYEN Edmond | 0 | - | - | - |
| 7 | LAURENTOP Jean | 0 | - | - | - |
| 8 | DE BELDER Albert | 0 | - | - | - |
| 9 | GIRARD Henri | 0 | - | - | - |
| 10 | LAMPAERT Georges | 0 | - | - | - |
| 11 | REBOUL Robert | 0 | - | - | - |
| 12 | MAES Edward | 0 | - | - | - |
| 13 | JUMET Joseph | 0 | - | - | - |
| 14 | THOLLEMBEEK Émile | 0 | - | - | - |
| 15 | MATTON Jules | 0 | - | - | - |
| 16 | LENAERS Victor | 0 | - | - | - |
| 17 | DESPONTIN Léon | 0 | - | - | - |
| 18 | BUDTS Louis | 0 | - | - | - |