| Six Days of Chicago | |
| Region: | Chicago, United States |
| Discipline: | Track |
| Type: | Six-day race |
| Number: | 50 |
| Firstwinner: | Oscar Egg  Francesco Verri |
| Mostwins: | Gustav Kilian (6 wins) |
The Six Days of Chicago was a six-day cycling event, held in Chicago, Illinois between 1915 and 1957. It took place fifty times during that period, as two editions were often held in one year.[1] Gustav Kilian holds the record for most wins with a total of six, between 1935 and 1939.
| Edition | Winners | Second | Third | |
|---|---|---|---|---|
| 1915 (1) | Oscar Egg Francesco Verri |  Jimmy Moran Reginald McNamara | Clarence Carman Frank Corry | |
| 1915 (2) | William Hanley Percy Lawrence | Martin Ryan Lloyd Thomas | Gordon Walker Robert Walthour | |
| 1916 | Robert Spears Reginald McNamara | Percy Lawrence Jake Magin | George Cameron Harry Kaiser | |
| 1917 | Francesco Verri Reginald McNamara | Frank Corry Jake Magin | Peter Drobach Eddy Madden | |
| 1918-1920 | Not held | |||
| 1921 (1) | Jake Magin Eddy Madden | Alfred Hill Ernest Kockler | Willy Lorenz Fred Weber | |
| 1921 (2) | Jake Magin Eddy Madden | Bob Fitzimmons Harry Horan | Ray Eaton Harry Kaiser | |
| 1922 (1) | Alfred Goullet Ernest Kockler | Willy Coburn Dave Lands | William Hanley Lloyd Thomas | |
| 1922 (2) | Willy Coburn Dave Lands | Percy Lawrence Lloyd Thomas |  Cesar Debaets Alois Persyn | |
| 1923 (1) | Oscar Egg Maurice Brocco | Alfred Goullet Bob Walthour | Harry Horan Lloyd Thomas | |
| 1923 (2) | Carl Stockholm Ernest Kockler | Willy Coburn Maurice Brocco | Percy Lawrence Joe Kopsky | |
| 1924 (1) | Oscar Egg Alfred Grenda | Carl Stockholm Ernest Kockler | Maurice Declerck Eddy Madden | |
| 1924 (2) | Harry Horan Bob Walthour | Maurice Declerck Alfred Taylor | Henri Stockelynck Franco Giorgetti | |
| 1925 (1) | Reginald McNamara Bob Walthour | Henri Stockelynck Alfons Goossens | Harry Horan Eddy Madden | |
| 1925 (2) | Fred Spencer Bob Walthour | Harry Horan Harris Horder | Reginald McNamara Alfons Goossens | |
| 1926 (1) | Reginald McNamara Bob Walthour | Fred Spencer Franco Giorgetti | Henri Stockelynck Alfons Goossens | |
| 1926 (2) | Dave Lands Otto Petri | Anthony Beckman Charles Winter | Reginald McNamara Alfons Goossens | |
| 1927 (1) | Carl Stockholm Franco Giorgetti | Fred Spencer Charles Winter | Harry Horan Eddy Madden | |
| 1927 (2) | Bob Walthour Franco Giorgetti | Klaas van Nek Alfons Goossens | Carl Stockholm Fred Spencer | |
| 1928 (1) | Anthony Beckman Gerard Debaets | Fred Spencer Bob Walthour | Klaas van Nek Dave Lands | |
| 1928 (2) | Piet van Kempen Mike Rodak | William Fenn Jr Bob Walthour | George Dempsey Gerard Debaets | |
| 1928 (3) | Franz Duelberg Jimmy Walthour | Paul Broccardo Alfred Letourneur | Anthony Beckman Franco Giorgetti | |
| 1929 (1) | Franz Duelberg Franco Giorgetti | Paul Broccardo Alfred Letourneur | Willie Grimm Dave Lands | |
| 1929 (2) | Reginald McNamara Gaetano Belloni | Paul Broccardo Alfred Letourneur | Franz Duelberg Viktor Rausch | |
| 1930 (1) | Anthony Beckman Gerard Debaets | Paul Broccardo Alfonso Zucchetti | Fred Spencer Charles Winter | |
| 1930 (2) | Marcel Guimbretiere Alfred Letourneur | Paul Broccardo Franco Giorgetti | Adolphe Charlier Roger De Neef | |
| 1931 (1) | Willie Grimm Emil Richli | Marcel Guimbretiere Alfred Letourneur | Reginald McNamara Charles Winter | |
| 1931 (2) | Franz Duelberg Willie Grimm | Marcel Guimbretiere Alfred Letourneur | Franco Giorgetti Gerard Debaets | |
| 1932 (1) | Jan Pijnenburg Adolphe Van Nevele | Marcel Guimbretiere Alfred Letourneur | Reginald McNamara Harry Horan | |
| 1932 (2) |  Jules Audy William Peden | Alfredo Binda Norman Hill | Gerard Debaets Alfred Letourneur | |
| 1933 (1) | Gerard Debaets Alfred Letourneur | Jules Audy Willie Grimm | Henri Lepage Prudent Delille | |
| 1933 (2) | Ewald Wissel Jimmy Walthour | Alfred Letourneur William Peden | George Dempsey Robert Thomas | |
| 1934 (1) | Tony Shaller William Peden | Tino Reboli Edoardo Severgnini | Reginald McNamara Dave Lands | |
| 1934 (2) | Gerard Debaets Alfred Letourneur | Jack Schaller Robert Thomas | Jerry Rodman Cecil Yates | |
| 1935 (1) | Franco Giorgetti Alfred Letourneur | Tino Reboli Robert Thomas | Ernst Bühler Tony Shaller | |
| 1935 (2) | Gustav Kilian Heinz Vopel | Jerry Rodman Alfred Hill | Jules Audy William Peden | |
| 1936 (1) | Gustav Kilian Heinz Vopel | Jules Audy William Peden | Jerry Rodman Robert Thomas | |
| 1936 (2) | Emile Diot Emile Ignat | Gustav Kilian Heinz Vopel | Jerry Rodman Cecil Yates | |
| 1937 (1) | Emile Diot Emile Ignat | Alvaro Giorgetti Cor Wals | Jules Audy William Peden | |
| 1937 (2) | Gustav Kilian Heinz Vopel | Emile Diot Emile Ignat | Douglas Peden William Peden | |
| 1938 (1) | Gustav Kilian Heinz Vopel | Douglas Peden William Peden | Tino Reboli Gerard Debaets | |
| 1938 (2) | Omer De Bruycker Alfred Letourneur | Douglas Peden William Peden | Tino Reboli Gerard Debaets | |
| 1938 (3) | Gustav Kilian Heinz Vopel | Douglas Peden William Peden | Marcel Guimbretiere Gerard Debaets | |
| 1939 (1) | Gustav Kilian Robert Thomas | Heinz Vopel Cecil Yates | Douglas Peden William Peden | |
| 1939 (2) | Douglas Peden William Peden | Cecil Yates Jerry Rodman | Jules Audy Henry O'Brien | |
| 1940 | Cecil Yates William Peden | Douglas Peden Archie Bollaert | Charles Bergna Angelo De Bacco | |
| 1941 | Not held | |||
| 1942 | Cecil Yates Douglas Peden | Charles Bergna Angelo De Bacco | Charly Yaccino William Peden | |
| 1943-1945 | Not held | |||
| 1946 | Erwin Pesek Tino Reboli | Michael Abt Rene Cyr | Bill Jacoby Charly Yaccino | |
| 1947 | Bill Anderson Stanley Bransgrove | Bill Jacoby Alfred Letourneur | Erwin Pesek Charly Yaccino | |
| 1948 | Walter Diggelmann Hugo Koblet | Roger De Corte André Maelbrancke | Erwin Pesek Charly Yaccino | |
| 1949-1956 | Not held | |||
| 1957 | Peter Post Harm Smits | Erwin Pesek Ted Ernst | Mino De Rossi Jack Heid |