Dehradun, May 6 - Former Miss India Earth Niharika Singh will participate in a marathon, scheduled for May 25 and 26 in Rishikesh, to promote tourism and spread the message ‘Save the Ganges’ among the masses. Addressing the mediapersons here today, District Tourism Officer YS Gangvar said, “The Tourism Department is organising a two-day marathon ‘Running and living adventure run’. On the first day, a 5-km stretch from Astha Path to Triveni Ghat and on the next day, a 21-km stretch from Shivpuri, Malakhunti to Kotlaganv will be covered.” The registration for the event will continue till May 18 at Hotel Ganga Kinare and yatra office of the Garhwal Mandal Vikas Nigam. Niharika Singh, addressing the media via video-conferencing, said she was excited about the event. She said It would be better than other usual marathons organised in metropolitan cities of the country. Efforts should be made to promote tourism in the state.