No money, no phone and no clothes. How he made the 3947 kilometre journey.

A 26-year-old Australian man has done the unthinkable, and hitch-hiked his way from Perth to Sydney with no money, no phone and, to start with, no clothes.

Yes, you read that right - no clothes.

Brent McIntyre had the wacky idea of trialling a "generosity experiment" after he successfully hitch-hiked his way across Australia a few years ago. The only difference between the two journeys is that this time around, McIntyre packed absolutely nothing with him.

WATODAY Brent McIntyre's epic journey started and ended, naked in the ocean.

The goal of the journey was to make it from Swanbourne nudist beach, in the coastal suburb of Perth in Western Australia to Sydney, some 3947 kilometres away relying solely on the generosity of strangers. McIntyre was clothed, fed, driven and kept company by an array of generous people whom he met on the way, proving that there are still good people left in the world.

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Brent McIntyre before the start of his epic hitch-hiking adventure.

McIntyre explained that the rules for the experiment were quite simple - he was to accept no help from anyone he knew before the journey and the other was about openness.

"No lying, cheating, stealing, deceiving, tricking or the like," he said.

"This meant I made everyone aware that I was in the position I was in by choice, and ruled out tactics that people actually suggested to me. Someone said I should tell people I got mugged, and later - when I was just looking for lifts - someone said I should tell people my car had broken down and I needed to get to the next town to get it sorted out.

"It was originally meant to be a race. Everyone else pulled out but I decided I'm doing it anyway."

McIntyre started the adventure at Swanbourne, Perth, where he was dropped off by some friends who took his clothing and wished him well.

The first leg of the journey was made a lot easier when he met a tourist from Taiwan on the beach who gave him his spare set of underwear. Wearing nothing but a stranger's jocks McIntyre made his way to the carpark where he was gifted sunglasses, a hair tie, a hat and a reusable shopping bag.

His next "win" was when he met a woman who was on her way to donate several bags of clothing to the op-shop, so McIntyre was able to build up a bit of a wardrobe. While he managed to get clothed quite quickly it took almost 24 hours for him to find his way out of Perth.

After sleeping the first night on South Beach in Fremantle using a donated curtain as a blanket, McIntyre found a woman doing some gardening in Cottesloe. Following a few hours of gardening work she "gave me the money for public transport which is definitely the easiest way to get out of a major city."

While he admitted it was a "bit of a challenge leaving the city" he said "once I was on the road it was cruisy, really.

"It was a lot easier when I had reached a point where it was just as hard to turn around and go home as it was to go on," McIntrye explained.

Before you ask, yes, McIntyre has seen Wolf Creek many years ago although it didn't deter him. The scariest moment of the trip, he said, happened when he was asleep.

"We hit a wombat so that woke me up quite suddenly," he said.

The driver had swerved to avoid a dead wombat and hit a smaller one on the way.

According to McIntyre, the most notable pit stop was when he made it into Kalgoorlie on the second night. After spending some time in the town looking for something to eat and trying to figure out where to sleep, he met a small group of people working on a shop fit out.

After introducing himself and proposing his situation he offered some work in exchange for whatever they were willing to give. After working all night they gave him dinner, a place to sleep and "they gave me A$50 (NZ$53.37) at the end which is too much, I almost didn't accept it. It's too much and would have made things easy."

After accepting the $50 he managed to have almost $20 left once he made it to Sydney. Most of the money was spent on public transport to take him to the beach.

"I started naked in the Indian Ocean and I had decided to really officially finish it thought I really should finish naked in the Pacific," McIntyre explained.

"I think it [the trip] made me see most possessions as more replaceable and less important. It might suck to have to replace things, but it can be done and if the honest story was that I'd lost everything, not just chosen to try this challenge, I think help would be pretty easy to come by once it's asked for."

"It was a lot easier when I had reached a point where it was just as hard to turn around and go home as it was to go on."

The journey took a total of six days and McIntyre proudly shared that he "did the whole thing in thongs".

Asked if he would be trying the challenge again on his way home to Perth, he laughed.

"I thought about it and I have booked a plane."

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