Career
He created the Alpine Ironman and the Coast to Coast, races that are often credited for being the origin of adventure racing. He has published an autobiography, Mad Dogs: Life on the Edge. Judkins was born to parents Mary Marjorie "Dot" Dwyer (born 1910) and Walter Judkins.
The family lived on Sunny Downs farm in South Canterbury before moving to Diamond Harbour in the 1950s.
They retired to Christchurch in 1964. As of March 2015, Judkins" mother is still alive.
He sold the Coast to Coast event to Queenstown-based Trojan Holdings Limited on 10 May 2013 on his 64th birthday. He acted as race director in 2014 for the final time at the 33rd event.