1912 Wisconsin Motor Challenge Trophy is 80th AAA National Motor Car Championship race. Passed at the Milwaukee-Wauwatosa circuit. Ray Snyder won the pole position, Harry Endicott won this race. George Mason and Ray Snyder also climbed to the podium, in second and third place. Race distance 22 laps (279 km).
2nd victory for the Harry Endicott
2nd podium for the Harry Endicott
1st podium for the George Mason
1st podium for the Ray Snyder