The finale of the Manx Grand Prix is expected to take place this afternoon.
Having been previously planned for Friday, today's races were brought forward as poor weather is forecast tomorrow.
Roads around the TT course will close from 11.30am and re-open again at 5pm.
The Lightweight and Ultralightweight races will kick things off at 12pm, with the Senior MGP race taking centre stage afterward at 2.30pm.
Yesterday saw Manx man Nathan Harrison snatch victory in the Junior MGP race, whilst James Hind - who retired from that contest - was able to gain redemption by winning the Lightweight race later on Wednesday afternoon.
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