Hundred-mile event takes place on Saturday
One of the longest races on the Island takes place tomorrow
The tenth "Race the Sun" event will be getting under way at sunrise (5.08am) in Peel.
Teams of 10 aim to complete a clockwise lap of the Island around the 100-mile Raad ny Foillan before sunset.
The event - sponsored by Knox House Trust - has raised more than £10,000 for the Children's Centre over the last decade.