International 500 Mile
Sweepstakes
Indianapolis Motor Speedway
2.5 Mile Brick Oval
200 Laps/500 Miles
May 31, 1915
| Finish | Start | Driver | Car # | Sponsor/Name | Chassis | Engine | Laps | Status |
Points |
| 1 | 2 | Ralph DePalma | 2 | Mercedes | Mercedes | Mercedes | 200 | 5:33:55.51 89.840 | 1,000* |
| 2 | 3 | Dario Resta | 3 | Peugeot | Peugeot | Peugeot | 200 | 5:37:24.94 88.911 | 520* |
| 3 | 5 | Gil Andersen | 5 | Stutz | Stutz | Stutz | 200 | 5:42:27.58 87.601 | 270* |
| 4 | 4 | Earl Cooper | 4 | Stutz | Stutz | Stutz | 200 | 5:46:19.36 86.624 | 140* |
| 5 | 11 | Eddie O'Donnell | 15 | Duesenberg | Duesenberg | Duesenberg | 200 | 6:08:13.27 81.473 | 90* |
| 6 | 7 | Bob Burman | 8 | Peugeot | Peugeot | Peugeot | 200 | 6:13:19.61 80.358 | 60* |
| 7 | 1 | Howdy Wilcox | 1 | Stutz | Stutz | Stutz | 200 | 6:14:19.73 80.143 | 50* |
| 8 | 9 | Tom Alley | 10 | Duesenberg | Duesenberg | Duesenberg | 200 | 6:15:08.01 79.971 | 40* |
| 9 | 16 | William Carlson | 19 | Maxwell | Maxwell | Maxwell | 200 | 6:19:55.90 78.961 | 35* |
| 10 | 14 | Noel Van Raalte | 7 | Sunbeam | Sunbeam | Sunbeam | 200 | 6:35:23.43 75.874 | 30* |
| 11 | 24 | Willie Haupt | 28 | Emden | Emden | Emden | 200 | 7:04:01.7 70.75 | |
| 12 | 10 | Harry Grant | 14 | Sunbeam | Sunbeam | Sunbeam | 184 | Loose mud apron | |
| 13 | 17 | Tom Orr | 21 | Maxwell | Maxwell | Maxwell | 168 | Broken rear axle bearing | |
| 14 | 6 | Jean Porporato | 6 | Sunbeam | Sunbeam | Sunbeam | 164 | Frozen piston | |
| 15 | 15 | Joe Cooper | 18 | Sebring | Duesenberg | Duesenberg | 154 | Wrecked SS | |
| 16 | 18 | Ralph Mulford | 22 | Duesenberg | Duesenberg | Duesenberg | 124 | Broken connecting rod | |
| 17 | 12 | George Babcock | 16 | Peugeot | Peugeot | Peugeot | 117 | Broken cylinder | |
| 18 | 8 | Art Klein | 9 | Kleinart | Duesenberg | Duesenberg | 111 | Disqualified - smoking | |
| 19 | 19 | Eddie Rickenbacker | 29 | Maxwell | Maxwell | Maxwell | 103 | Broken connecting rod | |
| 20 | 23 | Louis Chevrolet | 27 | Cornelian | Cornelian | Sterling | 76 | Broken valve | |
| 21 | 13 | John DePalma | 17 | Delage | Delage | Delage | 41 | Broken flywheel | |
| 22 | 20 | John Mais | 24 | Mais | Mais | Mercer | 23 | DQ, left course | |
| 23 | 22 | George Hill | 26 | Bugatti | Bugatti | Bugatti | 20 | Broken water pump | |
| 24 | 21 | Charles Cox | 25 | Purcell | Cino | Mercer | 12 | Broken timing gear | |
| -- | -- | John Aitken | 5 | Stutz | Stutz | Stutz | X | Relieved G. Anderson | |
| -- | -- | Billy Chandler | 22 | Duesenberg | Duesenberg | Duesenberg | X | Relieved Ralph Mulford | |
| -- | -- | John Aitken | 4 | Stutz | Stutz | Stutz | X | Relieved E. Cooper | |
| -- | -- | Hughie Hughes | 19 | Maxwell | Maxwell | Maxwell | X | Relieved William Carlson | |
| -- | -- | William Carlson | 21 | Maxwell | Maxwell | Maxwell | X | Relieved Orr | |
| -- | -- | Billy Chandler | 9 | Kleinart | Duesenberg | Duesenberg | X | Relieved A. Klein | |
| -- | -- | Joe Boyer | 27 | Cornelian | Cornelian | Sterling | -- | Raced by L. Chevrolet | |
| -- | -- | Hughie Hughes | 26 | F. R. P. | Porter | Porter | -- | Did not qualify | |
| -- | -- | Willie Haupt | 24 | Bergdoll | X | X | -- | Did not qualify | |
| -- | -- | Ralph Mulford | 35 | Mulford | Mulford | Duesenberg | -- | Did not qualify | |
| -- | -- | Barney Oldfield | 22 | Mercer | Mercer | Mercer | -- | Did not qualify | |
| -- | -- | Tom Orr | 34 | Harroun | Mercer | Mercer | -- | Did not qualify | |
| -- | -- | Erwin Bergdoll | 18 | Bergdoll | X | X | -- | Did not qualify | |
| -- | -- | Grant Donaldson | 28 | Emden | Emden | Emden | -- | Disqualified - inexperience | |
| -- | -- | Grover Bergdoll | 19 | Bergdoll | X | X | -- | Did not qualify | |
| -- | -- | W. W. Brown | 7 | DuChesneau | DuChesneau | Brown | -- | Did not qualify | |
| -- | -- | Jim Hill | 41 | Bals | X | X | -- | Did not qualify | |
| -- | -- | Charles Keene | 27 | F. R. P. | Porter | Porter | -- | Did not qualify | |
| -- | -- | Carl Limberg | 31 | Sunbeam | Sunbeam | Sunbeam | -- | Did not qualify | |
| -- | -- | Jack LeCain | 12 | Peugeot | Peugeot | Peugeot | -- | DQ - too many Peugeots | |
| -- | -- | Edward McNay | 36 | Cino | Cino | Mercer | -- | Did not qualify | |
| -- | -- | Joe Nikrent | 21 | Mercer | Mercer | Mercer | -- | Did not qualify | |
| -- | -- | Barney Oldfield | 7 | Sunbeam | Sunbeam | Sunbeam | -- | Withdrew | |
| -- | -- | Eddie Pullen | 22 | Mercer | Mercer | Mercer | -- | Did not qualify | |
| -- | -- | Neil Whalen | 28 | F. R. P. | Porter | Porter | -- | Did not qualify | |
| -- | -- | Glover Ruckstell | 20 | Mercer | Mercer | Mercer | -- | Withdrew after qualifying | |
| -- | -- | Charles Shambaugh | 40 | Shambaugh | Shambaugh | Buick | -- | Did not qualify | |
| -- | -- | Wilbur D'Alene | 22 | Duesenberg | Duesenberg | Duesenberg | -- | Driven by Mulford | |
| -- | -- | Caleb Bragg | 12 | Peugeot | Peugeot | Peugeot | -- | Did not qualify | |
| -- | -- | Barney Oldfield | X | Maxwell | Maxwell | Maxwell | -- | Did not qualify | |
| -- | -- | Barney Oldfield | 26 | Bugatti | Bugatti | Bugatti | -- | Did not arrive | |
| -- | -- | Jean Chassagne | X | Sunbeam | Sunbeam | Sunbeam | -- | Did not arrive | |
| -- | -- | Louis Coatalen | X | Sunbeam | Sunbeam | Sunbeam | -- | Did not arrive | |
| -- | -- | Arthur Duray | X | Peugeot | Peugeot | Peugeot | -- | Did not arrive | |
| -- | -- | Frank Galvin | 12 | Peugeot | Peugeot | Peugeot | -- | Wrecked practice | |
| -- | -- | Caleb Bragg | 2 | Mercedes | Mercedes | Mercedes | -- | Entered as relief driver for R. DePalma, did not participate in race | |
| -- | -- | Willie Knipper | 8 | Peugeot | Peugeot | Peugeot | -- | Entered as relief driver for B. Burman, did not participate in race | |
| -- | -- | C. L. Rogers | 9 | Kleinart | Duesenberg | Duesenberg | -- | Entered as relief driver for A. Klein, did not participate in race | |
| -- | -- | Carl Limberg | 14 | Sunbeam | Sunbeam | Sunbeam | -- | Entered as relief driver for H. Grant, did not participate in race | |
| -- | -- | Charles Keene | 15 | Duesenberg | Duesenberg | Duesenberg | -- | Entered as relief driver for O'Donnell, did not participate in race | |
| -- | -- | Caleb Bragg | 17 | Delage | Delage | Delage | -- | Entered as relief driver for J. DePalma, did not participate in race | |
| -- | -- | Frank Galvin | 18 | Sebring | Duesenberg | Duesenberg | -- | Entered as relief driver for J. Cooper, did not participate in race | |
| -- | -- | Clemens | 24 | Mais | Mais | Mercer | -- | Entered as relief driver for Mais, did not participate in race | |
| -- | -- | Frank Farber | 25 | Purcell | Cino | Mercer | -- | Entered as relief driver for C. Cox, did not participate in race | |
| -- | -- | Gaston Morris | X | Sunbeam | Sunbeam | Sunbeam | -- | Entered as relief driver for Porporato and Van Raalte, did not participate in race |
Known riding mechanics in this race:
| Finish | Start | Driver | Mechanic | Car # | Sponsor/Name | Chassis | Engine | Laps | Status |
| 1 | 2 | Ralph DePalma | Louis Fountaine | 2 | Mercedes | Mercedes | Mercedes | 200 | 5:33:55.51 89.840 |
| 2 | 3 | Dario Resta | Fred McCarthy | 3 | Peugeot | Peugeot | Peugeot | 200 | 5:37:24.94 88.911 |
| 3 | 5 | Gil Andersen | Tom Rooney | 5 | Stutz | Stutz | Stutz | 200 | 5:42:27.58 87.601 |
| 4 | 4 | Earl Cooper | Reeves Dutton | 4 | Stutz | Stutz | Stutz | 200 | 5:46:19.36 86.624 |
| 5 | 11 | Eddie O'Donnell | P. Henderson | 15 | Duesenberg | Duesenberg | Duesenberg | 200 | 6:08:13.27 81.473 |
| 6 | 7 | Bob Burman | Jack Gable | 8 | Peugeot | Peugeot | Peugeot | 200 | 6:13:19.61 80.358 |
| 7 | 1 | Howdy Wilcox | Culla Scott | 1 | Stutz | Stutz | Stutz | 200 | 6:14:19.73 80.143 |
| 8 | 9 | Tom Alley | Jack Henderson | 10 | Duesenberg | Duesenberg | Duesenberg | 200 | 6:15:08.01 79.971 |
| 9 | 16 | William Carlson | Paul Franzen | 19 | Maxwell | Maxwell | Maxwell | 200 | 6:19:55.90 78.961 |
| 10 | 14 | Noel Van Raalte | E. N. Copple | 7 | Sunbeam | Sunbeam | Sunbeam | 200 | 6:35:23.43 75.874 |
| 11 | 24 | Willie Haupt | Lou Donaldson | 28 | Emden | Emden | Emden | 200 | 7:04:01.7 70.75 |
| 12 | 10 | Harry Grant | Robert Moore | 14 | Sunbeam | Sunbeam | Sunbeam | 184 | Loose mud apron |
| 13 | 17 | Tom Orr | Reuben Stafford | 21 | Maxwell | Maxwell | Maxwell | 168 | Broken rear axle bearing |
| 14 | 6 | Jean Porporato | Maurice Ronco | 6 | Sunbeam | Sunbeam | Sunbeam | 164 | Frozen piston |
| 15 | 15 | Joe Cooper | Louis Piel | 18 | Sebring | Duesenberg | Duesenberg | 154 | Wrecked SS |
| 16 | 18 | Ralph Mulford | Paul Stevens | 22 | Duesenberg | Duesenberg | Duesenberg | 124 | Broken connecting rod |
| 17 | 12 | George Babcock | J. E. Wicker | 16 | Peugeot | Peugeot | Peugeot | 117 | Broken cylinder |
| 18 | 8 | Art Klein | F. B. Leightner | 9 | Kleinart | Duesenberg | Duesenberg | 111 | Disqualified - smoking |
| 19 | 19 | Eddie Rickenbacker | Erick Schrader | 29 | Maxwell | Maxwell | Maxwell | 103 | Broken connecting rod |
| 20 | 23 | Louis Chevrolet | Dutch Klein | 27 | Cornelian | Cornelian | Sterling | 76 | Broken valve |
| 21 | 13 | John DePalma | C. Phillips | 17 | Delage | Delage | Delage | 41 | Broken flywheel |
| 22 | 20 | John Mais | John Jackes | 24 | Mais | Mais | Mercer | 23 | DQ, left course |
| 23 | 22 | George Hill | William Healy | 26 | Bugatti | Bugatti | Bugatti | 20 | Broken water pump |
| 24 | 21 | Charles Cox | H. E. McCord | 25 | Purcell | Cino | Mercer | 12 | Broken timing gear |
| -- | -- | Willie Haupt | Grant Donaldson | 28 | Emden | Emden | Emden | X | Relieved L. Donaldson as riding mechanic |
| -- | -- | Frank Galvin | Ray Daschbach | X | Peugeot | Peugeot | Peugeot | -- | Wrecked practice |
| -- | -- | Gil Andersen | Robert Rold | 5 | Stutz | Stutz | Stutz | -- | Originally scheduled to ride, replaced when race delayed by rain |
| Lap Leaders | Total | Laps |
| Ralph DePalma | 132 | 62-127, 135-200 |
| Dario Resta | 37 | 1, 33-61, 128-134 |
| Gil Andersen | 26 | 7-32 |
| Howdy Wilcox | 5 | 2-6 |