After every 10,000 steps Gus rested for 10-15 minutes. He fuelled up with mandarins, muesli bars and plenty of water.
Mum Bridie said that by 40,000 steps, he was very emotional at the realisation of how far he'd walked and the number of support messages he had received.
At the completion of the 43km he was "stoked, very sore and thankful for everyone supporting".
Gus raised about $5000 for the Waikato Westpac Rescue Helicopter and his journey was documented on Bridie's Facebook page.
Gus' story made it onto TVNZ's Good Sorts show, which overwhelmed him.
"When Good Sorts rang he couldn't believe he was going to be on TV and was worried that he would say something wrong," said Bridie.
"He was beaming with the biggest grin on his face when it aired.
 
"It was awesome how the local Te Awamutu community got behind Gus and donated to the cause."
To donate to the Waikato Westpac Rescue Helicopter charity, head to www.chopperappeal.co.nz/donate-now