Boillot competed at the Indianapolis Motor Speedway in the 1919 "500" and was in the thick of things when he crashed with only five laps remaining. He returned to race in the event in 1920 and 1921 but both times went out early with mechanical problems.
In the 1919 "500" at Indianapolis Motor Speedway, Boillot narrowly avoided a crash on only five laps. Despite returning for races in 1920 and 1921, he was forced out both times by mechanical issues.