1912 Wisconsin Challenge Trophy
2 October - Milwaukee, WI: 22 laps x 12.6816 km = 279.00 km

Pole position: Snyder (Mason)
Fastest Lap: N/A

Results:
     
 1   5  3 Harry Endicott         Mason                 3:06'44"79    55.699
 2   3  2 George Mason           Mason                 3:42'40"35    46.713

Did Not Finish:

     2  1 Snyder                 Mason                     3  clutch trouble

Did Not qualify:

          Frank Kulick           Ford                     withdrew
          Heber                  E.M.F.                   withdrew

RACE NOTES
 1) Source: The Automobile, Oct. 10 1912, p. 742 (supplied by Phil Harms)
 2) Non stock class, 161 to 230 cu inch.
 3) Race held concurrently with Pabst Trophy.