Not apparently a popular idea, even down under.
My cousin is the only person I know that has walked the Kokoda track, so it's not really a popular thing to do here in Oz. It's physically demanding which probably prevents a lot from doing it.
There was a news story online about Kokoda today.
http://www.9news.com.au/national/2017/04/08/20/11/malcolm-turnbull-marks-75-years-since-kokoda
