Trainee police officers want to raise money for Alder Hey Hospital.
The 2021 Isle of Man Student Constables will cycle the distance from Douglas Police Headquarters to the hospital in Liverpool and back again.
They're aiming to raise £1,000, whilst covering a distance of 283km.
They're taking on the challenge as so many people have been touched by the work they do.
The fundraiser is taking place on Sunday, July 11 on the outside track of the NSC.
You can donate here.
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