Karen Hanlen (born 28 March 1980) is a New Zealand mountain biker. She represented New Zealand at the 2012 Summer Olympics in London, competing in the women's cross-country cycling event.
Hanlen was born in WhakatÃÂne in 1980. She is married with two children, and works as a physiotherapist at WhakatÃÂne Hospital. In 2010, she switched from mountain running to mountain biking, buying her first performance bike on Trade Me. She was the only woman who represented New Zealand at the 2012 Summer Olympics in mountain biking, beating Rosara Joseph for the sole spot.
Hanlen competed for New Zealand in the women's mountain biking cross country at the 2012 Summer Olympics in London. She finished 18th, with a time of 1:37:54.