| May 30, 1925|
| 101.127 mph (162.748 km/h)|
The 13th International 500-Mile Sweepstakes Race was held at the Indianapolis Motor Speedway on Saturday, May 30, 1925.
Race winner Peter DePaolo became the first driver to complete the 500 miles in under five hours, and have an average over 100 mph. Norman Batten drove 21 laps of relief (laps 106-127) while DePaolo had his hands bandaged due to blisters and bruises.
1925 Indianapolis 500 Wikipedia
Four-lap (10 mile) qualifying runs were utilized. Leon Duray won the pole position with a 4-lap track record of 113.196 mph. Peter DePaolo, who qualified second, set the 1-lap track record at 114.285 mph.For 1925, riding mechanics were optional, however, no teams utilized them.
First alternate: none