Newcomers hit tarmac on Saturday
The first Festival of Motorcycling 2017 practice session is scheduled for tomorrow evening.
Classic and MGP Newcomers will be first away from 5.20pm - with roads re-opening no later than 9pm.
The sessions are untimed.
Organisers say there is still a shortage of marshalls, and have renewed a call for volunteers - even those who haven't done it before.
Overseeing the fortnight's racing action will be Clerk of the Course, Gary Thompson:
Officers and partner agencies praised following immigration fraud conviction
Work to improve mooring at Ferry Terminal in Liverpool scheduled for next week
Manx Care reports major drop in dental waiting lists
Police 'disappointed' to find more than half of vehicles with defects in latest winter checks