Most racedays with other riders
Riders sorted by the number of times they started in the same race as Constant De Keyser.
| # | Rider | Number of races |
|---|---|---|
| 1 | SWEECK Alfons | 12 |
| 2 | VAN GOMPEL Jan | 11 |
| 3 | DECABOOTER Arthur | 10 |
| 4 | PAUWELS Eddy | 10 |
| 5 | HERMANS Alfons | 9 |
| 6 | TROONBEECKX Lode | 9 |
| 7 | SCHILS Joseph | 9 |
| 8 | SCHOUBBEN Frans | 9 |
| 9 | AERENHOUTS Frans | 8 |
| 10 | VAN MEENEN René | 8 |
| 11 | SEYNAEVE Marcel | 8 |
| 12 | DAMEN Piet | 8 |
| 13 | PAULISSEN Valère | 8 |
| 14 | MOLENAERS Yvo | 8 |
| 15 | STORMS Jan | 8 |
| 16 | CLAES Jean-Baptiste | 7 |
| 17 | VRANCKEN Raymond | 7 |
| 18 | JANSSENS Marcel | 7 |
| 19 | BAENS Roger | 7 |
| 20 | IMPANIS Raymond | 7 |
| 21 | GOOSSENS Stan | 7 |
| 22 | MATHYS Lucien | 7 |
| 23 | FLÉCY Arnould | 7 |
| 24 | DEMUNSTER Lucien | 7 |
| 25 | LUYTEN Rik | 7 |
| 26 | THUMAS José | 7 |
| 27 | DE MULDER Frans | 7 |
| 28 | SCHAEKEN Léopold | 7 |
| 29 | MESSELIS André | 7 |
| 30 | VAN GENEUGDEN Martin | 6 |
| 31 | EVERAERTS Richard | 6 |
| 32 | NOYELLE André | 6 |
| 33 | VERHEYDEN Emiel | 6 |
| 34 | DERBOVEN Willy | 6 |
| 35 | BUYSSE Camille | 6 |
| 36 | GEURTS Joseph | 6 |
| 37 | LELANGUE Robert | 6 |
| 38 | DE WOLF Henri | 6 |
| 39 | BOSMANS Joseph | 6 |
| 40 | WOUTERS Joseph | 6 |
| 41 | ONGENAE Marcel | 6 |
| 42 | BUTZEN Willy | 6 |
| 43 | DESMET Gilbert | 5 |
| 44 | VAN DAELE Leon | 5 |
| 45 | OELLIBRANDT Piet | 5 |
| 46 | VAN WYNSBERGHE Romain | 5 |
| 47 | CLERCKX Karel | 5 |
| 48 | ZAGERS Jan | 5 |
| 49 | VAN DEN BRANDE Alfons | 5 |
| 50 | FORÉ Noël | 5 |