Bob Swanson Indianapolis 500 Stats
| Starts | Total Laps | Poles | Wins | Top 5 | Top 10 | Races Led | Laps Led | Winnings |
| 3 | 267 | 0 | 0 | 0 | 1 | 1 | 34 | $3,798 |
| Year | Finish | Start | Car Num. | Car Name / Entrant | Make / Model | Qual. Speed | Status | Laps | Led | Winnings |
| 1940 | 6 | 20 | 32 | Sampson | Stevens / Sampson / Firestone | 124.882 | Running | 196 | 0 | $2,463 |
| 1939 | 31 | 22 | 32 | S.M.I. | Stevens / Sampson / Firestone | 129.431 | Rear axle | 19 | 0 | $510 |
| 1937 | 28 | 21 | 33 | Fink Auto | Adams / Sparks / Firestone | 121.92 | Carburetor | 52 | 34 | $825 |