In the twenty-first century, some people have created and recorded their journeys around the island as events for publicity and fund raising, with most walks mentioned here in the latter category.
The claims of these ventures in no way should be considered firsts, as in most cases earlier walks of substantially more difficult circumstances were never recorded in this manner.
His route took him through Deloraine to Launceston, down the through the Epping Forest to Ross, to Oatlands, past Bagdad and into Hobart on 22 November.
John walked 5,622 km unsupported from Cape York to Tasmania in 167 days, and raised a little over $10,000 for a charity working with children with cerebral palsy.
The progress of John's second journey was broadcast by Ian McNamara's ABC radio's ‘Australia All Over’ program on Sundays.
Cadigan undertook the walk in honour of Chris Simpson, a friend who had died from complications related to myelodysplasia, and raised over $65,000 - $25,000 for The Cancer Council and $40,000 for the Leukemia Foundation.
Shortly after completing the walk, whilst holidaying and recuperating in Thailand, Cadigan suffered head injuries in a motorcycle accident, and later died in hospital in Sydney, on 5 October 2012.
The Leukemia Foundation has struck a research PHD into myelodysplasia, named in honour of Cadigan and Simpson, with a trust called Cad's Cause continuing to raise funds.