Most racedays with other riders
Riders sorted by the number of times they started in the same race as Decimo Bettini.
| # | Rider | Number of races |
|---|---|---|
| 1 | AIMAR Louis | 8 |
| 2 | VIETTO René | 6 |
| 3 | GALATEAU Fabien | 5 |
| 4 | LE GREVÈS René | 5 |
| 5 | LESUEUR Raoul | 5 |
| 6 | ARCHAMBAUD Maurice | 5 |
| 7 | LAPÉBIE Roger | 4 |
| 8 | LEVEL Léon | 4 |
| 9 | PASSAT Raymond | 4 |
| 10 | MAGNE Antonin | 4 |
| 11 | HARDIQUEST Louis | 4 |
| 12 | MITHOUARD Fernand | 4 |
| 13 | SPEICHER Georges | 4 |
| 14 | GARCIA Manuel | 4 |
| 15 | VERVAECKE Félicien | 4 |
| 16 | GIANELLO Dante | 4 |
| 17 | DUCAZEAUX Sauveur | 4 |
| 18 | BERTY Charles | 4 |
| 19 | LACHAT Georges | 4 |
| 20 | DIGNEF Antoon | 4 |
| 21 | LOUVIOT Raymond | 3 |
| 22 | TROGGI Nello | 3 |
| 23 | REBRY Gaston | 3 |
| 24 | BONDUEL Frans | 3 |
| 25 | BUTTAFOCCHI Adrien | 3 |
| 26 | FOURNIER Amédée | 3 |
| 27 | WIERINCKX Robert | 3 |
| 28 | CORALLINI René-Paul | 3 |
| 29 | EGLI Paul | 3 |
| 30 | FAYOLLE Fernand | 3 |
| 31 | VERVAECKE Julien | 3 |
| 32 | PASTORELLI Pierre | 3 |
| 33 | DEFORGE André | 3 |
| 34 | KINT Marcel | 3 |
| 35 | BODINO Jacques | 3 |
| 36 | HENDRICKX Albert | 3 |
| 37 | BERNARD René | 3 |
| 38 | LAUK Lucien | 3 |
| 39 | NEUVILLE François | 3 |
| 40 | BUSE Hermann | 3 |
| 41 | MAGNANI Alfredo | 3 |
| 42 | CLOAREC Pierre | 3 |
| 43 | DELOOR Alfons | 3 |
| 44 | LAURENT Marcel | 3 |
| 45 | BERTOCCO Aldo | 3 |
| 46 | MEULENBERG Eloi | 3 |
| 47 | VANOVERBERGHE Cyriel | 3 |
| 48 | MIHIERE Marcel | 2 |
| 49 | PÉGLION Louis | 2 |
| 50 | ROOSEMONT Leopold | 2 |