Terrified of heights, darkness and holding his breath underwater, Beinke has entered the first Australian Tough Mudder event on Phillip Island on March 31-April 1.

Tough Mudder is an obstacle course designed by British Special Forces to test "all round strength, stamina, mental grit and camaraderie".

Men and women willingly put themselves through gruelling challenges such as running through fire, dodging live electric wire, running up a half-pipe and jumping into ice-cold water.

Participants must pay for the questionable privilege and sign a death waiver - which Beinke said he wasn't aware of.

He was meant to enter Tough Mudder with friends, but his friends pulled out. "I want to challenge myself and be able to say 'hey, I did this'," he said.

The 21 year old has been training regularly since September last year and is spending about 10 hours a week getting in shape for the event.

Tough Mudder organisers recommend participants be able to do at least 15-25 push-ups in a row, six consecutive pull-ups, swim 45 metres without stopping and run at least 8-10 kilometres.

Beinke has been training a different part of his body every day and on Saturdays runs the 1000 Steps at the Kokoda Memorial Track at least seven times.

While Beinke's ultimate goal is to finish in the top 5 per cent at the Melbourne event to qualify for the World's Toughest Mudder - a 24-hour test.