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Instead of moping - he set himself a home challenge to smash instead.
So after the lockdown started, friends sent him a video of a man in France who ran the distance of a marathon on his balcony.
Hattle thought he'd have a crack at something similar.
"I just enjoy a challenge and pushing myself and I decided I'd give it a go," he said.
Hattle said he had a few ideas of how to keep occupied during the remaining lockdown period, but first he would rest and let his body bounce back from the 50km.
"A few people have sent pics of 24-hour running challenges, but I don't know," he said.
"I'll just see how I feel."
Hattle said it was important people put the lockdown into perspective.
"Yeah, it's a tough time we're going through but it's not really that big of a problem when you compare it to problems other people have in the world," he said.
In a post on Facebook, Hattle further explained his run and the motivation behind it.
"Hopefully this offers a bit of inspiration through these tough times," he said.
"Going back a year and a half, when I was pretty new to trail running, I decided to sign up for the Northburn 100 mile. I don't know why, but my thinking was if I'm going to run 100 miles I might as well pick the one with the most hills.
"I spent the next six months running around in the bush when I had a chance with my buddy.
"Race day came and because of many things, lack of experience, nutrition, no poles, mental stamina, lack of sleep etc, I made it to about 81km before calling it quits."
He said knowing he had chosen to quit "sucked" and he questioned whether he could have just pushed through and finished.
"Some of the problems you face may seem so big when you are faced with them, but if you take a step back and look around some problems aren't as big as you initially thought.
"Take care over the coming weeks - maybe achieve some of those goals you have floating around in your head."