Rubuta ci gaba don wannan sakin layi - Sung Si-Bak (Hangul: 성시백, Hanja: 成始柏, ; an haife shi a ranar 18 ga Fabrairu, 1987, a Seoul, Koriya ta Kudu) ɗan wasan tsere ne mai saurin gudu na Koriya ta Kudu. A 2007 Winter Universiade, ya lashe dukkan wasanni biyar na gudu na gudu. Sung ya lashe gasar cin kofin duniya sama da 20 kuma ya sami kambun gasar cin kofin duniya guda biyu, ban da yin wasan kankara a gasar cin kofin duniya na tseren mita 5000 a shekara ta 2007 da 2008. Ya cancanci shiga gasar Olympics ta hunturu ta 2010 a Vancouver, British Columbia, Kanada. Sung ya kasance a cikin gwagwarmayar neman lambar yabo wanda ya jagoranci zuwa zagaye na karshe na mita 1500
a can, lokacin da karo tsakanin shi da abokin aikin sa ya kai ga kammala shi a matsayi na 5.