1912 Aurora Trophy (300ci Class) is 74th AAA National Motor Car Championship race. Passed at the Elgin circuit. Eddie Pullen won the pole position, Hughie Hughes won this race. This was his 3rd victory. Eddie Pullen and Homer Trussell also climbed to the podium, in second and third place. Race distance 18 laps (245 km).
|1||Hughie Hughes||300||2h 20m 40.110s||0||Mercer Automobile Co|
|2||Eddie Pullen||160||2h 26m 31.450s+5m 51.340s||0||Mercer Automobile Co|
|3||Homer Trussell||90||2h 49m 19.300s+28m 39.190s||0|
|4||Mortimer Roberts||50||2h 58m 11.700s+37m 31.590s||0||Fred P Duesenberg|
|5||Harry Hastings||30||3h 3m 57.530s+43m 17.420s||0|
|6||Spencer Wishart||0||0||Spencer Wishart|