CBBC presenters Ed Petrie and Chris Johnson will be on the Island to take part in the annual event.
The 40th tin bath races are taking place this weekend.
Thousands of people are expected to turn out at Castletown Harbour tomorrow to watch the world championships of the event and join in the fun.
Dave Collister, the race organiser said; 'the event is growing all the time and it's like a 2hour family show.' (audio avove)
Film crews are attending from Japan and CBBC presenters Ed Petrie and Chris Johnson will be taking part also.
Road close at 3PM and the racing starts at 4PM.
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