I'm joining some friends to do this ride this year in December. It's a ride for a good cause in one of the unique locations in the world. My friend has been there the last couple years and has all the details of the trip.
http://www.villagefocus.org/angkor_marathon/index.htm
If you're interested or have questions, drop me an email. If you know of anyone that would be interested, please email them the link and let them know to email me if questions.
paul.formiller@comcast.net