Mo's first event was at the 2005 South Korean Single Distance Championships, which occurred on 23 and 24 November 2004 [REF].
In 2006, he attended the South Korean Sprint Championship, participating in the 500 m, 1000 m, and Samalog events[REF] as well as in the 1000 m event at the South Korean Single Distance Championships, where he finished in fifth place with a time of 1:13.99.