Most racedays with other riders
Riders sorted by the number of times they started in the same race as Leo Nielsen.
| # | Rider | Number of races |
|---|---|---|
| 1 | O'BRIEN Henry | 2 |
| 2 | SOUTHALL Frank | 2 |
| 3 | HANSEN Henry | 2 |
| 4 | JØRGENSEN Orla | 1 |
| 5 | CAIRONI Jakob | 1 |
| 6 | HOUDÉ Pierre | 1 |
| 7 | LOWAGIE Jef | 1 |
| 8 | JANSSON Erik | 1 |
| 9 | SAAVEDRA Cosme | 1 |
| 10 | SHORT Frederick | 1 |
| 11 | BONVEHI Fransisco | 1 |
| 12 | H. LOPEZ Jose | 1 |
| 13 | BESSIÈRE Léon | 1 |
| 14 | CHAERELS Jean | 1 |
| 15 | GATES Ernie | 1 |
| 16 | MIDDLETON John | 1 |
| 17 | BRASPENNINCX Adrianus | 1 |
| 18 | SØRENSEN Poul | 1 |
| 19 | NERI Marcello | 1 |
| 20 | LAPORTE Joseph | 1 |
| 21 | PETTERSSON Hjalmar | 1 |
| 22 | WANZENRIED Gottlieb | 1 |
| 23 | KRISTIANSEN Gustav | 1 |
| 24 | DUIJKER Bernardus | 1 |
| 25 | SOLAR Josip | 1 |
| 26 | MARSHALL Charles | 1 |
| 27 | AERTS Jean | 1 |
| 28 | MARTINSEN Ragnvald | 1 |
| 29 | GRANDI Allegro | 1 |
| 30 | ORECCHIA Michele | 1 |
| 31 | MULLER Jean-Pierre | 1 |
| 32 | BERETTA Ambrogio | 1 |
| 33 | KOCH Karl | 1 |
| 34 | ESSING Arthur | 1 |
| 35 | STÜBECKE Bernhard | 1 |
| 36 | LITSCHI Paul | 1 |
| 37 | BROSSY René | 1 |
| 38 | AUMERLÉ Andre | 1 |
| 39 | LJUBIĆ Stjepan | 1 |
| 40 | LAUTERWASSER Jack | 1 |
| 41 | RAAEN Reidar | 1 |
| 42 | AMSTEIN Gottlieb | 1 |
| 43 | BUIS Leen | 1 |
| 44 | JOHNSSON Georg | 1 |
| 45 | DAYEN Octave | 1 |
| 46 | HELLBERG Raul | 1 |
| 47 | STEFAŃSKI Józef | 1 |
| 48 | MICHALAK Eugeniusz | 1 |
| 49 | KŁOSOWICZ Stanisław | 1 |
| 50 | POPOWSKI Jozef | 1 |