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.
Racer appeals for return of missing awning
Charity worker announces Malew election bid
Woman releases fundraising poetry book
Castletown hosts tin bath racing
Mountain Road closed for skateboarding today
Peel ready for huge community sale later
Cruise ship makes first stop of week
Tin bath races mean bus diversions tomorrow