Peter Hickman set the fastest lap of yesterday's practice session - recording a 134.638mph lap in the superstocks.
He also set the pace in the superbikes, with a 132.863mph lap.
In the Supersport class, Davey Todd put in the fastest lap at 127.062mph.
Meanwhile, Michael Dunlop's 121.882mph lap was the fastest in the supertwins, and Ryan and Callum Crowe put in a 115.682mph lap to head up the sidecars.
Police recruitment drop-in sessions tonight
Ferry terminal and universal basic income on Keys agenda
Key Ramsey roads to shut for over a week
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Bar George debts case heads to court
Do you know these men?
Garage warns of pothole which broke two wheels today
TT riders will miss special Bray Hill tree