At the 1924 Indianapolis 500, Boyer participated in two different cars during the race. In his original entry (#9), he qualified 4th. On the 109th lap he was relieved. His relief driver went on to race until lap 176, when the car crashed in turn 1. On lap 111, Boyer climbed into the car of Lora Lawrence Corum (#15), driving relief for Corum. Boyer charged to the front of the field, and led the last 24 laps in Corum's car.