Through Saturday night, there were 5 test sessions

The No. 36 DXDT Racing Chevy Corvette Z06 GT3.R, in GTD class, encountered a clutch issue in the morning session, which was fixed by the afternoon.

5th session
The GTD class entry was 0.143 seconds quicker than
the GTD Pro pace-setting No. 4 Corvette Racing by Pratt Miller Motorsports Chevy Corvette Z06 GT3.R of Nicky Catsburg.

Sunday’s action includes two final WeatherTech Championship sessions, from 9:45-10:45 a.m. ET and 2:30-4 p.m., with the final session for FIA Bronze-rated drivers only, as well as the fifth and final Pilot Challenge test session and Race 2 for VP Racing SportsCar Challenge, which gets underway at 1:20 p.m. ET with live coverage on Peacock and IMSA’s YouTube channel.