Peter Fil celebrates his win in Haidong Gumdo with the first place World Mulimpia trophy. WATERVLIET, N.Y. – The third World Mulimpia was held in July in PyeongChang, South Korea, the site of the 2018 Winter Olympics. The Mulimpia is a martial arts open championship competition in Taekwondo, Hapkido, Wushu and Haidong Gumdo. Over 5,000...