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Upper Midwest Series Archive

AAA Champ Car Series

United States • 1905; 1909-1941; 1946-1955 • Historical

AAA-sanctioned national Championship Car series spanning the early American championship era through 1955. No championship was awarded in 1909-1915 or 1917-1919, and competition paused during World War II from 1942-1945.

Explore 1955 Season →Browse All Series

44Seasons Archived

511Recorded Events

93Tracks Visited

155Feature Winners

1905–1955Series History

Championship History

Series Seasons

44 seasons currently indexed

Choose a season for race results, final standings, champions, and event-by-event archive detail.

1950s

1955 1954 1953 1952 1951 1950

1940s

1949 1948 1947 1946 1941 1940

1930s

1939 1938 1937 1936 1935 1934 1933 1932 1931 1930

1920s

1929 1928 1927 1926 1925 1924 1923 1922 1921 1920

1910s

1919 1918 1917 1916 1915 1914 1913 1912 1911 1910

1900s

1909 1905

Latest Archive Activity

1955 Season Snapshot

11 recorded events

Champion

Bob Sweikert

11 recorded races

Race #7

Pikes Peak Hill Climb

DuQuoin State Fairgrounds

New York State Fairgrounds

Indiana State Fairgrounds

California State Fairgrounds

Arizona State Fairgrounds

Nov 6, 1955

Winner: Jimmy Bryan

View Full Results →

View Full 1955 Season →

Championship Chase

1955 Standings Preview

PosDriverPtsWins

1Bob Sweikert22902

2Jimmy Bryan14806

3Johnny Thomson13801

4Tony Bettenhausen10600

5Andy Linden1047.80

6Jimmy Davies8900

7Pat Flaherty7901

8Pat O'Connor7900

View Complete Standings →

Series Archive Summary

Archive StatusHistorical

CoverageComplete source-backed import for the active 1905-1955 AAA Champ Car seasons: 44 seasons, 511 races, 10,793 listed race-result rows, and 2,457 final-standings rows. All 511 races have result rows. No championship was awarded in 1909-1915 or 1917-1919; 1942-1945 was a wartime hiatus. The 1946 season uses the official six-race championship count rather than the broader AAA Big Car schedule. 10,748 result rows are linked to museum driver identities; 45 rows remain intentionally unlinked because the source identity is X or explicitly unknown (42 X, 2 Unknown Moore, 1 Unknown Hager). All 2,457 standings rows and all 34 official champions are linked. 115 of 511 events map to existing museum track identities; the remainder preserve the source track name. Four shared-driver wins preserve the combined winner text without assigning a single winner_driver_id. The Third Turn is the primary source; ChampCarStats supplements full-field race details where The Third Turn race pages were login-gated.

Seasons44

Recorded Events511

Tracks Visited93

Different Winners155

Most Recorded WinsRalph DePalma — 25

1955 ChampionBob Sweikert

Leading Feature Winners

Ralph DePalma25

Earl Cooper21

Tommy Milton20

Ralph Mulford19

Tony Bettenhausen18