Callum Fairhurst, from Soham in Cambridgeshire was waved off on his round the world journey three weeks ago, to raise money for charity in memory of his brother Liam.
Callum is starting his 18,000 mile journey in Australia and is hoping to raise £100,000 for charity by the end of his trip.
Despite the tough conditions, Callum says it has been an incredible journey so far.
After Australia he's heading to New Zealand then onto Indonesia followed by Singapore, Malaysia and Thailand.
He'll then take in the whole of Europe before heading to Canada and finishing the whole journey in the United States. He's aiming to do the whole thing in eight months.
Callum's brother Liam was 14-years-old when he died of cancer four years ago. He raised hundreds of thousands of pounds for charity before his death.
Callum has since continued his fundraising efforts. Last year, he established the Liam Fairhurst Foundation which supports young people affected by cancer and other serious conditions.
He also received a Point of Light Award for his achievements from the Prime Minister at a ceremony last month.
Callum has set up a fundraising page, hoping to raise even more money -http://www.callumfairhurst.com/