Australian couple runs a marathon a day for all of 2013.
He did it to help the impoverished.
The 14-year-old did it for her late father.
Some race finishers said they felt like he looked.
David Babcock set an unofficial knitting-while-marathoning record last weekend.
He wants to finish 160 races by December 31.
He will run around the Sahara Desert in the summertime.
He ran in honor of his father and brother.
It took him nearly two months to do it.