 After finishing second in that year's Indianapolis 500, Lotus decided to run the car again at Milwaukee and Trenton.Clark and teammate Dan Gurney broke the track record by over a second in qualifying, and Clark led all 200 laps to win, lapping the entire field except for second place A. J. Foyt.For most years from 1949–2009, Milwaukee traditionally hosted a Championship/Indy car race the weekend immediately following the Indianapolis 500.