It was held at the Wauwatosa Road Race Course in Milwaukee, Wisconsin and was sanctioned by the Automobile Club of America.

[1] Caleb Bragg won by over 15 minutes over Erwin Bergdoll.

[2] The event was marred by the deaths of two-time and defending winner David Bruce-Brown and his mechanician Tony Scudellari in a practice accident.

[3][4] Bruce-Brown's car was repaired by Barney Oldfield and driven to a fourth-place finish.

[1] Ralph DePalma and his mechanician Tom Alley were injured when DePalma's Mercedes touched the rear of Bragg's Fiat and overturned, ejecting its occupants.