Naseby 12Hr Mountain Bike Challenge 2019 0 comments My experience in the Naseby 12 Hour Mountain Bike Challenge. This great event was in its 15th year and was run by the Otago Mountain Bike club. http://www.mountainbikingotago.co.nz Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.