Most grandtour starts by competitors
Number of starts in grand tours before the start of Il Lombardia 1921.
| Pos. | Rider | Starts | Tour | Giro | Vuelta |
|---|---|---|---|---|---|
| 1 | GREMO Angelo | 8 | 3 | 5 | - |
| 2 | GIRARDENGO Costante | 6 | 1 | 5 | - |
| 3 | AZZINI Giuseppe | 5 | - | 5 | - |
| 4 | PÉLISSIER Henri | 5 | 5 | - | - |
| 5 | ROBOTTI Michele | 4 | - | 4 | - |
| 6 | BELLONI Gaetano | 4 | 1 | 3 | - |
| 7 | PÉLISSIER Francis | 2 | 2 | - | - |
| 8 | AIMO Bartolomeo | 2 | - | 2 | - |
| 9 | BRUNERO Giovanni | 2 | - | 2 | - |
| 10 | PETIVA Emilio | 2 | - | 2 | - |
| 11 | BASSI Giovanni | 2 | - | 2 | - |
| 12 | TORRICELLI Leopoldo | 2 | - | 2 | - |
| 13 | GAY Federico | 1 | - | 1 | - |
| 14 | SCAIONI Giovanni | 1 | - | 1 | - |
| 15 | GUIDI Angelo | 1 | - | 1 | - |
| 16 | TECCHIO Antonio | 1 | - | 1 | - |
| 17 | RUGGERI Ugo | 1 | - | 1 | - |
| 18 | FRONTINI Carlo | 0 | - | - | - |
| 19 | MATTEIS Michele | 0 | - | - | - |
| 20 | FERRARIO Ruggero | 0 | - | - | - |
| 21 | SUTER Max | 0 | - | - | - |
| 22 | HUSCHKE Richard | 0 | - | - | - |
| 23 | CERUTTI Francesco | 0 | - | - | - |
| 24 | LACQUEHAY Charles | 0 | - | - | - |
| 25 | GILARDI Luigi | 0 | - | - | - |
| 26 | VALPREDA Romolo | 0 | - | - | - |
| 27 | TONANI Alessandro | 0 | - | - | - |
| 28 | TRENTAROSSI Giovanni | 0 | - | - | - |
| 29 | ZANAGA Adriano | 0 | - | - | - |
| 30 | LINARI Pietro | 0 | - | - | - |
| 31 | SUTER Heiri | 0 | - | - | - |
| 32 | BESTETTI Pietro | 0 | - | - | - |