Johnston began the personal challenge as this year marked 10 years since his father lost a battle with mental health.

Three of Johnston’s friends have died from mental health conditions.

“It affected me personally a lot too. I have my own battles,” Johnston said on his website.

“I push myself to the limits with my adventures to prove to myself I’m worthy and can get through hard times and that’s when my lessons are learnt.”

Crisis support is available fromLifeline on 13 11 14.

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