Last year Adam Brook took on a 24-hour marathon a little over a week after being diagnosed with stage four melanoma.
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This year was even harder.
"Last year I was at my very sickest - 16 tumours and was pretty well as good as dead," he said.
"I found this year a lot harder than last year, for whatever reason, I don't know why.
"I was facing those demons at 2 and 3am, I wanted to go home and call it quits. That's the whole point of it - to get into that headspace and it's to remind myself and it's to remind everyone else that we're always going to go through tough times - and there's going to be a lot tougher times than this - and it's just about pushing through and taking each hour as it comes."
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The 28-year-old Fit to Function Gym Director and Tamworth electrician last year made national news after asking the community to back his day-long exercise bike marathon, a fundraiser to battle the horror disease.
Nearly 60 people showed up this year to cheer on - or help ride - what turned out to be a enormous 1150-kilometre effort on bike, rowing machine and ski machine.
It's a hair over the distance from Tamworth to Melbourne, 1143 kilometres.
Mr Brook was there for all but two hours of the marathon.
At time of printing the fundraiser has netted $6000 for cancer charity the Melanoma Institute, particularly its Game on Mole Campaign.
The campaign encourages people to take photos of moles and freckles at the start of summer and track any potential growth.
Adam Brook's life was saved by a haircut. His barber nicked a mole - a growth that turned out to be cancerous. He's been a tireless advocate for getting checked ever since.
Mr Brook beat cancer and was declared in remission in October after a year-long battle.
Fitness is harder than cancer, he said - "because you have a choice.
"With cancer you don't have a choice, you have to keep turning up."