Roy Willis's son Dominic was born 14 weeks premature in October 2012.
He has organised a sponsored walk to thank the neonatal team at The James Cook University Hospital that took care of his baby.
More top news
Nutmeg was taken in as a five-year-old stray 26 years ago - and is still going strong despite recent health issues
Highways England has said it aim to have Northbound A1 reopened by 6am Wednesday after a large sinkhole formed overnight.
Chancellor George Osborne will seek to reassure financial markets on Monday morning following Britain's decision to leave the EU.