With Rally Isle of Man due to start later today (Thursday), organisers are warning some of tomorrow's stages may be cancelled due to a lack of cover.
The main signing-on session for Marhals and Timekeepers took place at the T.T. Grandstand on Wednesday evening.
However, not enough volunteers have come forward to guarantee a full day tomorrow.
Anyone who can help is asked to call Chief Marshal John Gill on 452321 or turn up at the Grandstand on Glencrutchery Road.
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