Dirk Mueller lapped the Road America 4.048-mile circuit in two minutes and 1.422 seconds at 120.017 mph in the No. 66 Ford Chip Ganassi Racing Ford GT.
The Fords were also very quick again throughout the 15 minute qualifying session, BMW also continued to show the speed that has led to two wins and four consecutive podiums. Alexander Sims, who enters Road America second in the GTLM standings alongside co-driver Bill Auberlen in the No. 25 BMW Team RLL BMW M6 GTLM, qualified third, a mere 0.008 seconds behind Briscoe with a lap of 2:02.211.
Sundays Continental Tire Road Race Showcase starts at 2:30 p.m. ET on Sunday and will be televised live on FS1 and streaming on FOX Sports GO. The race also will be broadcast on IMSA Radio – available on IMSA.com.