Video and gallery: Hundreds brave fire, mud and barbed wire to take on Tough Guy challenge
You have to have huge mental strength to take part, but only the toughest see it through to the end.
The annual Tough Guy challenge, set in South Perton Farm, pits some of the most fearless, committed and perhaps crazy individuals in the world against each other in the ultimate endurance challenge.
This years event, the 30th in its history, once again saw thousands of eager participants from across the globe push themselves to the limit through an eight mile course complete with barbed wire, flames and 40 foot vertical climbs for good measure.
The survival challenge's mix of long distance running, climbing and crawling in the harshest of conditions has seen it turn into one of the most successful annual events in Wolverhampton.
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Luckily for the near 1,000 participants trying it out for themselves at the weekend, the rain wasn't too severe this year.
Organiser Billy Wilson said: "God has given us a break, the conditions were perfect I think.
"There have been no serious accidents thankfully and everyone has had a great time, both participants and spectators.
"People from all over the world have learned about Tough Guy over the years and they are still coming year after year.
"Looking back at when we started, it is amazing to think how far we have come.
"Personally, it is unbelievable to me that people from all over the world would not only come to a little field in Wolverhampton, but that they would know me, just a little guy from Wolverhampton."
More than 200 obstacles lay ahead of those who take part at the starting point, where tribal drums were beaten, flares were set alight and primitive chanting set the tone for the next few hours.
Some choose to prepare as thoroughly as possible, like Paul Bibby, from Clitheroe, who said: "This is the culmination of about three years for me, I just want to get out there.
"It is cold but the running will keep me warm, I can't wait."
Others, such as Ryan Aldred, from Cannock, take a more relaxed approach.
Ryan, who was taking part for the second time, said: "I did have a big plan all put together to get myself in peak shape, but that just turned into a couple of laps around the local park."
Whether they were serious contenders for the title or taking part just for the fun, everyone was given enthusiastic cheers from spectators as they made their way around the course.
There was even room for a motivational tribute to late pop star David Bowie, with banners declaring 'we can be heroes, just for one day' scattered around the grounds.
In the end, it was 22 year old Conor Hancock, from Sheffield, who came in first and can claim to be the true Tough Guy of 2016.
The member of the 'Muddy Race Team' said: "It feels unbelievable, I came second last year and I guess I just had luck on my side."
Finishing just behind him was Hagen Brosius, 27, from Berlin, who was competing for the first time.
He said: "The conditions were good and I did a great run but Conor was just an animal through those obstacles.
"Maybe next year I can catch him."