| Date | Race Name Distance (miles) | Track | Location | Type | Notes | Pole position | Winning driver |
|---|
| January 9 | San Diego Exposition Road Race (305) | Point Loma Road Race Course | San Diego, California | 5.982 mile road course | | | Earl Cooper |
| February 3 | Tropico Road Race (101) | Tropico Road | Tropico, California | 1.906 mile road course | | | Eddie O'Donnell |
| February 7 | Ascot Race (100) | Ascot Speedway | South Los Angeles, California | 1 mile dirt oval | Jack Callaghan fatally injured[2][3] | | Eddie O'Donnell |
| February 27 | American Grand Prize (406) | Panama–Pacific International Exposition | San Francisco, California | 3.905 mile road course | ACA sanction | Earl Cooper | Dario Resta |
| March 6 | William K. Vanderbilt Cup (301) | 3.849 mile road course | 600 cu in. | Barney Oldfield | Dario Resta |
| March 17 | Venice Race (301) | Venice Road Race Course | Venice, California | 3.105 mile road course | | Cliff Durant | Barney Oldfield |
| March 20 | Tucson Race (103) | Tucson Road Race Course | Tucson, Arizona | 4.298 mile road course | | | Barney Oldfield |
| April 29 | Southern Sweepstakes Road Race (200) | Oklahoma City Road Race Course | Oklahoma City, Oklahoma | 2.404 mile road course | | John Raimey | Bob Burman |
| May 31 | International 500 Mile Sweepstakes | Indianapolis Motor Speedway | Speedway, Indiana | 2.5 mile brick oval | 24-car field | Howdy Wilcox | Ralph DePalma |
| June 9 | Galesburg Race (100) | Galesburg District Fairgrounds | Galesburg, Illinois | 1 mile dirt oval | | Tom Alley | Eddie O'Donnell |
| June 26 | Chicago Race (500) | Speedway Park | Maywood, Illinois | 2 mile board oval | | Dario Resta | Dario Resta |
| July 3 | Sioux City Race (300) | Sioux City Speedway | North Sioux City, South Dakota | 2 mile dirt oval | 450 cu in.;C. C. Cox fatally injured[4] | | Eddie Rickenbacker |
| July 4 | Montamarathon Trophy Race (250) | Pacific Coast Speedway | Tacoma, Washington | 2 mile board oval | 650 cu in.;Billy Carlson and hisriding mechanic Paul Franzen fatally injured[5][6] | | Glover Ruckstell |
| July 5 | Golden Potlach Trophy Race (200) | | | Eddie Pullen |
| July 5 | Omaha Race (300) | Omaha Speedway | Omaha, Nebraska | 1.25 mile board oval | | Eddie O'Donnell | Eddie Rickenbacker |
| July 9 | Burlington Race (100) | Tri-State Fair Grounds | Burlington, Iowa | 0.5 mile dirt oval | | | Bob Burman |
| August 7 | Des Moines Race (300) | Des Moines Speedway | Valley Junction, Iowa | 1 mile board oval | 300 cu in.;Joe Cooper and Maurice Keeler, riding mechanic forBilly Chandler, fatally injured[7] | | Ralph Mulford |
| August 7 | Challenge Cup Match Race (100) | Speedway Park | Maywood, Illinois | 2 mile board oval | 600 cu in. | Barney Oldfield | Dario Resta |
| August 20 | Chicago Auto Club Trophy Race (300) | Elgin Road Race Course | Elgin, Illinois | 8.384 mile road course | 300 cu in. | | Earl Cooper |
| August 21 | Elgin National Trophy Race (300) | 450 cu in. | | Gil Andersen |
| August 28 | Kalamazoo Race (100) | Recreation Park | Kalamazoo, Michigan | 1 mile dirt oval | Free-for-all | | Ralph DePalma |
| September 4 | Minneapolis Race (500) | Twin City Motor Speedway | Minneapolis, Minnesota | 2 mile concrete oval | 300 cu in. | Dario Resta | Earl Cooper/Johnny Aitken |
| September 18 | Providence Race (100) | Narragansett Park Speedway | Cranston, Rhode Island | 1 mile concrete oval | | | Eddie Rickenbacker |
| October 9 | Astor Cup (350) | Sheepshead Bay Speedway | Sheepshead Bay, New York | 2 mile board oval | 300 cu in.;Harry Grant fatally injured in practice[8][9] | Dario Resta | Gil Andersen |
| November 2 | Harkness Gold Medal Race (100) | | Ralph DePalma | Dario Resta |
| November 20 | Phoenix Race (109) | Arizona State Fairgrounds | Phoenix, Arizona | 1 mile dirt oval | Scheduled for 150 miles; ended early due to darkness.[10] | | Earl Cooper |
| November 25 | San Francisco Race 3 (100) | Panama–Pacific International Exposition | San Francisco, California | 1 mile dirt oval | | | Earl Cooper |