Open marathon competition was organized by Samdrup Jongkhar CBS in collaboration with Samdrup Jongkhar Thromde Scout Association on the them "Let us prevent communicable Diseases and Substance Abuse". Apart from that we have also focused in building positive relationship among the adult and youths residing in an around Sandrup Jongkhar and Dewathang People from all walks of life and from all the ages took part in the event. It was a great success with the help and support from all the stake holders who are responsible and other valuable volunteers.