The 5th International 500-Mile Sweepstakes Race was held at the Indianapolis Motor Speedway on Monday, May 31, 1915. The traditional race date of May 30 fell on a Sunday, but race organizers declined
Raffaele "Ralph" DePalma was an American racing driver who won the 1915 Indianapolis 500. DePalma won the 1908, 1909, 1910, and 1911 American AAA national dirt track championships and is credited with
1915 Indianapolis 500
…31 in order to allow the grounds to dry out. Speedway management would maintain their policy to not race on Sundays until 1974. After a loss in 1912, Ralph DePalma succeeded in victory for 1915. DePalma was accompanied by riding mechanic Louis Fountaine. Note: Relief drivers in parentheses…
DePalma in 1912
DePalma and his riding mechanic pushing their 1910 Mercedes 90 hp that led for 196 laps at the 1912 Indianapolis 500
DePalma and his riding mechanic pushing their car at the 1912 Indianapolis 500