Indianapolis 500
Race Results for the 1940 Indianapolis 500
| Finish | Start | Car Num. | Driver | Car Name/Entrant* | Make/Model | Status | Laps | Led | Prize Money |
| 1 | 2 | 1 | Wilbur Shaw (W) | Boyle | Maserati/Maserati | 114.277 | 200 | 136 | $30,725 |
| 2 | 1 | 33 | Rex Mays | Bowes Seal Fast | Stevens/Winfield | 113.742 | 200 | 59 | $15,950 |
| 3 | 3 | 7 | Mauri Rose | Elgin Piston Pin | Wetteroth/Offy | 113.572 | 200 | 5 | $6,688 |
| 4 | 4 | 3 | Ted Horn | Boyle | Miller/Miller | Running | 199 | 0 | $4,575 |
| 5 | 10 | 8 | Joel Thorne | Thorne Donnelly | Adams/Sparks | Running | 197 | 0 | $3,850 |
| 6 | 20 | 32 | Bob Swanson | Sampson | Stevens/Sampson | Running | 196 | 0 | $2,463 |
| 7 | 7 | 9 | Frank Wearne | Boyle | Stevens/Offy | Running | 195 | 0 | $2,038 |
| 8 | 5 | 31 | Mel Hansen | Hartz | Wetteroth/Miller | Running | 194 | 0 | $1,813 |
| 9 | 8 | 16 | Frank Brisko | Elgin Piston Pin | Stevens/Brisko | Running | 193 | 0 | $1,863 |
| 10 | 31 | 49 | Rene LeBegue (R) | Lucy O'Reilly Schell | Maserati/Maserati | Running | 192 | 0 | $1,488 |
| 11 | 15 | 41 | Harry McQuinn | Hollywood Pay Day | A.R.-Weil/Alfa Romeo | Running | 192 | 0 | $938 |
| 12 | 22 | 25 | Emil Andres | Belanger-Folz | Stevens/Offy | Running | 192 | 0 | $788 |
| 13 | 14 | 28 | Sam Hanks (R) | Duray | Weil/Duray | Running | 192 | 0 | $650 |
| 14 | 16 | 6 | George Barringer | Hollywood Pay Day | Weil/Offy | Running | 191 | 0 | $620 |
| 15 | 26 | 42 | Joie Chitwood (R) | Kennedy Tank | Adams/Offy | Running | 190 | 0 | $615 |
| 16 | 18 | 26 | Louis Tomei | Falstaff | Miller/Offy | Exhaust | 190 | 0 | $610 |
| 17 | 27 | 34 | Chet Miller | Alfa Romeo | Alfa Romeo/Alfa Romeo | Running | 189 | 0 | $605 |
| 18 | 32 | 14 | Billy DeVore | Bill Holabird | Shaw/Offy | Running | 181 | 0 | $600 |
| 19 | 28 | 44 | Al Putnam | Refinoil Motor Oil | Adams/Offy | Running | 179 | 0 | $595 |
| 20 | 33 | 61 | Floyd Davis | Lencki | Lencki/Lencki | Running | 157 | 0 | $590 |
| 21 | 13 | 35 | Kelly Petillo (W) | Indiana Fur | Wetteroth/Offy | Bearing | 128 | 0 | $660 |
| 22 | 25 | 21 | Duke Nalon | Marks | Silnes/Offy | Rod | 120 | 0 | $580 |
| 23 | 23 | 17 | George Robson (R) | Keller | Miller-Ford/Offy | Shock absorber | 67 | 0 | $575 |
| 24 | 12 | 24 | Babe Stapp | Surber | Stevens/Offy | Oil line | 64 | 0 | $595 |
| 25 | 19 | 36 | Doc Williams | Quillen Bros. Refrigerator | Cooper/Miller | Oil line | 61 | 0 | $590 |
| 26 | 17 | 10 | George Connor | Lencki | Lencki/Lencki | Rod | 52 | 0 | $610 |
| 27 | 6 | 5 | Cliff Bergere | Noc-Out Hose Clamp | Wetteroth/Offy | Oil line | 51 | 0 | $605 |
| 28 | 29 | 38 | Paul Russo (R) | Elgin Piston Pin | Blume/Brisko | Oil leak | 48 | 0 | $550 |
| 29 | 21 | 54 | Ralph Hepburn | Bowes Seal Fast | Miller-Ford/Offy | Steering | 47 | 0 | $595 |
| 30 | 30 | 58 | Al Miller | Alfa Romeo | Alfa Romeo/Alfa Romeo | Clutch | 41 | 0 | $540 |
| 31 | 11 | 19 | Russ Snowberger | Snowberger | Snowberger/Miller | Water pump | 38 | 0 | $535 |
| 32 | 9 | 27 | Tommy Hinnershitz (R) | Marks | Adams/Offy | Accident | 32 | 0 | $530 |
| 33 | 24 | 29 | Raul Riganti | Maserati | Maserati/Maserati | Accident | 24 | 0 | $500 |
- * complete car name/entrant data not available for all entries
- (R) - Indicates Rookie
- (W) - Indicates Past Winner