Most racedays with other riders
Riders sorted by the number of times they started in the same race as Feliks Kostrzebski.
| # | Rider | Number of races |
|---|---|---|
| 1 | HÖRKKÖ Toivo | 1 |
| 2 | MARSH Dave | 1 |
| 3 | SCHILTZ Georges | 1 |
| 4 | INNEMEE Philippus | 1 |
| 5 | VLIETMAN Martinus | 1 |
| 6 | RAMSDEN Sydney | 1 |
| 7 | CLAUSEN Georg Frederik Ahrensborg | 1 |
| 8 | GRONKOWSKI Ignatius | 1 |
| 9 | VOUDELIN Ilmari | 1 |
| 10 | HENTSCHEL Gustav | 1 |
| 11 | RUSOVSZKY Mihaly | 1 |
| 12 | FRANK Erik Emil | 1 |
| 13 | ABADZHIEV Georgi | 1 |
| 14 | PILCHER Eric | 1 |
| 15 | KLAYNEROV Mikhail | 1 |
| 16 | HOPKINS Victor | 1 |
| 17 | KRZEMIŃSKI Kazimierz Józef | 1 |
| 18 | STEINER Ferenc | 1 |
| 19 | KUNDERT František | 1 |
| 20 | WILSON Andy | 1 |
| 21 | RAUSCH Nic | 1 |
| 22 | BOSSI Fritz | 1 |
| 23 | BOULICAULT John | 1 |
| 24 | HUNTER Samuel | 1 |
| 25 | KOSMATIN Josip | 1 |
| 26 | MATLAK | 1 |
| 27 | BOHLIN Erik | 1 |
| 28 | CIACCHERI Nello | 1 |
| 29 | NEGRINI Antonio | 1 |
| 30 | HOEVENAERS Henri | 1 |
| 31 | ANTENEN Georges | 1 |
| 32 | HAMEL René | 1 |
| 33 | SAIVE Fernand | 1 |
| 34 | BRESCIANI Arturo | 1 |
| 35 | MAGNOTTI Luigi | 1 |
| 36 | HEEREN Cees | 1 |
| 37 | BLANCHONNET Armand | 1 |
| 38 | BLATTMANN Albert | 1 |
| 39 | WAMBST Georges | 1 |
| 40 | LEDUCQ André | 1 |
| 41 | MAAS Jan | 1 |
| 42 | MALM Ragnar | 1 |
| 43 | SAAVEDRA Cosme | 1 |
| 44 | LAPORTE Joseph | 1 |
| 45 | DE MEYER Luis | 1 |
| 46 | PERIC Antonin | 1 |
| 47 | SKÖLD Gunnar | 1 |
| 48 | PARFONDRY Alphonse | 1 |
| 49 | VAN DEN BOSCH Jean | 1 |
| 50 | KALTENBRUNN Henry | 1 |