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 |