International Orienteering Federation [IOF]
http://orienteering.org/

IOF MTBO Commission
http://www.mtbo-commission.com

IOF MTBO statistics
http://stats.mtbo.eu/

Danish Orienteering Federation [DOF]
http://do-f.dk/

Danish MTBO Camp 2018
http://mtbocamp.dk/tag/camp2018/

Visit Viborg
http://www.visitviborg.com/ln-int/viborg/holiday-viborg

Sport Event Denmark
http://www.sporteventdenmark.com/