Jacob French is walking from Perth to Sydney in a Star Wars Stormtrooper suit and will enter the Wimmera tomorrow.
Mr French, 21, of Western Australia is making the trek to raise money for Starlight Children's Foundation, a charity for seriously ill children.
He has raised about $65,000 so far.
The Star Wars fanatic has made the journey pushing a buggy to carry food, water and a swag, while collecting money in a tin along the way.
He left Perth in July 2011 and he hopes to reach Sydney on March 31.
Mr French said he had been through five pairs of shoes, while coping with fevers, blisters, rolled ankles and heat stroke.
"The suit has limited ventilation and the mask is like wearing a garden bucket," he said.
"I was lucky it was windy on the 40-degree days in the desert, because it cooled my sweat down and made the conditions bearable.
"I cover 30 to 50 kilometres a day depending on the weather."
The member of the 501st Legion, a world-wide organisation of Star Wars enthusiasts, is staying in Bordertown tonight and hopes to reach Horsham on either Tuesday or Wednesday.
Mr French said he was inspired to undertake the 5000-kilometre journey after watching the movie Forrest Gump.
"Forrest's run across America became stuck in my head," he said.
"I figured a journey like that would be less boring if I did it in a Stormtrooper suit."
He said his friends and family were surprised and worried when he decided to make the trek.
"When I told them I was going to walk across Australia they said I was insane," he said.
"Then when I added I was going to do it dressed as a Stormtrooper they said I was going to die."
Despite his friends' concerns, Mr French earnt $6000 as a Harvey Normal sales assistant to pay for the trip's expenses.
He said it was like saving up for a holiday.
Mr French said his trolley could carry supplies for five to six days, about 70 kilograms of food and water.
Mr French said when he was travelling across the Nullarbor and remote areas of South Australia and Western Australia there were enough service stations along the way to stock up before he ran out of supplies.
"The other day a man mistakenly thought I was walking from Sydney to Perth and told me I would never make it alive across the South Australian desert," he said.
"It was uplifting to know I had already proved him wrong."
Mr French originally aimed to finish his journey by Christmas 2011, but he was delayed by people stopping him along the way.
"I don't mind spending a few extra months as long as I raise plenty of money," he said.
"I hope to raise about $100,000 by the time I finish."
He said people could donate on his Facebook page Troopertrek 2011.
"I've been lucky to have friends along the way to collect what I have raised with my tin and bank it," he said.
"It's not ideal carrying a lot of money on the lonely road."
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