[5] He then played college soccer in the United States for the Hannibal-LaGrange University Trojans and the Central Methodist Eagles, both of the NAIA.
He moved on loan to Satun United in May 2014 to secure more playing time[15] and was Regional League South Division runner-up that season.
[17] He trained with Suphanburi FC of the Thai Premier League to become acclimated to the weather of Thailand before joining Krabi.
[9] He signed for Serbian First League club Mačva Šabac in March 2015 on a 1-year contract,[19][20] becoming one of the first professional Mongolian footballers in Europe.
[23] In January 2016, Murun returned to Mongolia and re-signed for Selenge Press FC after Mačva Šabac were relegated to the Serbian League.
[10] He made his senior international debut for Mongolia on 21 November 2007 in a 2010 FIFA World Cup qualifying match against North Korea.