He suffers with Behcet's syndrome.
A nine year old Offaly boy, who suffers from a rare illness, is not letting the fact he's in pain stop him from raising money for other children.
Jack McDermott is aiming to walk 150km in the month of February to raise money for Crumlin hospital.
He suffers with Behcet's syndrome which causes his blood vessels to get inflammed.
His aunt set up a Go Fund Me page and the Tullamore boy has already raised over €2,000.
Midlands 103's Sinéad Hubble has been speaking to him and his Dad, Brendan, to find out how the challenge is going: