Roads are reopening around the course after this afternoon's practice session.
Davey Todd led the way in the superbikes, with a 16:54.079 lap, giving a speed of 133.942mph - with Peter Hickman close behind with a 133.851mph lap.
A practice session is due to be held this evening, with the Mountain Road closing from 5pm.
The rest of the course will shut at 6pm and reopen no later than 9.30.
Tin bath races mean bus diversions tomorrow
MHK wants backing for changes to Tynwald members' pay
Storage firm announces closure
Mountain Road shut for skate setup later
Bus diversions for tin bath day tomorrow
MP criticises Island's fishing visa rules in Westminster
Post Office won't release Evri documents as courier prepares to leave Island
Strix to shut Ramsey factory