He also wants to raise £11,111 for the Royal British Legion
A ex-forces member will be running 111km on 11 November in memory of all men and women who have served or are serving in the British Forces.
Christopher Hopkins from Bromley also hopes to raise £11,111 for the Royal British Legion.
So far he's raised just over £500.
You can find a link to the Justgiving page here.
He'll start his challenge from the Castletown War Memorial at 5am and end at the memorial in Douglas - roughly around 10-12 hours later.
He says taking on the 111 fundraiser challenge on Remembrance Day is special for him as the 11th is an important day and the Royal British Legion does a lot of work in supporting veterans and serving members:
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