First 100 mph Lap At Miller Motorsports Six-time AMA Superbike Champion Mat Mladin has just posted the first 100 mph average lap at Miller Motorsports Park. Mladin posted a time of 1:50.091 for an average speed of 100.063 mph. Miller Motorsports General Manager Alan Wilson will present Mladin with a check for $1000 for being the first ride to average over 100 mph at Miller Motorsports Park. The presentation will take place in the interview room, next to the media center.