Most racedays with other riders
Riders sorted by the number of times they started in the same race as Jan Martinussen.
| # | Rider | Number of races |
|---|---|---|
| 1 | WIERSMA Frits | 3 |
| 2 | VAN DER WIEL Piet | 3 |
| 3 | VAN DAM Cees | 2 |
| 4 | VAN DER WIEL Jorinus | 2 |
| 5 | WALDNER Gerrit | 1 |
| 6 | GEBUIS Piet | 1 |
| 7 | VAN KEMENADE F. | 1 |
| 8 | VAN EENIGE Nico | 1 |
| 9 | VAN DER SCHEE Piet | 1 |
| 10 | MAAS Herman | 1 |
| 11 | VAN HILST Frans | 1 |
| 12 | HÖNEMANN Johannes | 1 |
| 13 | VAN HOOFT Cornelis | 1 |
| 14 | THOLENAARS Willem | 1 |
| 15 | KALKMAN Chris | 1 |
| 16 | VLEMMINX Gerard | 1 |
| 17 | BAAY Frans | 1 |
| 18 | HOEKS Frans | 1 |
| 19 | VAN DEN BOOGAERD Antoon | 1 |
| 20 | VAN SEBILLE Jacques | 1 |
| 21 | KESSELS Martin | 1 |
| 22 | VAN DER WIEL Cees | 1 |
| 23 | GAILLARD Adriaan | 1 |
| 24 | SCHIPPERS Krijn | 1 |
| 25 | GEBUIS Barend | 1 |
| 26 | KRUISBRINK Cornelis | 1 |
| 27 | BERTRAM Joseph | 1 |
| 28 | GROENEVELD Hendrik Johannes | 1 |
| 29 | KOK J.C.A. | 1 |
| 30 | TEN BERK DE BOER Anton | 1 |
| 31 | HOLLAAR Hendrik | 1 |
| 32 | PEEREBOOM Johan | 1 |
| 33 | PEEREBOOM Cees | 1 |
| 34 | BELLERSEN Adri | 1 |
| 35 | FRANSSEN Gerard | 1 |
| 36 | TAMSE Henk | 1 |