Cika wannan jumla: Tare da abokin wasansa Seo, Won ya zama na shida daga cikin kungiyoyi 30 a gasar
Gasar maza biyu a wasannin Olympics na 2018 a Pyeongchang a ranar 19 ga Fabrairu, ta yi rikodin lokaci na 3:17.40 a cikin gudu huɗu. Kodayake sun kasa lashe lambar yabo, wannan shine mafi kyawun sakamakon wasannin Olympic ta ƙungiyar bobsleigh ta Asiya. Makon da ya biyo baya, a ranar 25 ga Fabrairu, tawagar 'yan wasan Koriya ta Kudu hudu na matukin jirgi Won, Seo, Kim Dong-hyun da Jun Jung-lin sun lashe lambar azurfa mai ban mamaki a cikin taron mutum huɗu, tare da ƙungiyar Jamus karkashin jagorancin Nico Walther. Tare da lambar azurfa, Koriya ta Kudu ta zama ƙasar Asiya ta farko da ta sami lambar yabo ta Olympics a cikin wasan bobsleigh.