Professional North Korean female weightlifter, Rim Jong-sim is a gold medallist, World Champion and two-time Olympic Games Champion.

After first competing in the 63kg category at the 2010 World Championship in Turkey, at which Jong-sim finished in an impressive sixth place, she has gone on to participate in both 69kg and 75kg categories internationally throughout her career. She won her first medals during 2014 when Jong-sim won bronze at both the Asian Games in South Korea and the World Championships in Kazakhstan. She soon went on to become a renowned weightlifter, winning two silver medals at the 2015 World Championships in the United States and again during 2018 competition in Turkmenistan. Jong-Sim later went on to win a gold medal in the 2018 Asian Games in Indonesia, participating in the 75kg category. More recently, Jong-sim has begun competing in the 76kg category, which has proven to be extremely successful for her, having gone on to win her first World Championship during 2019 in Thailand and another gold medal during the 2019 Asian Championships in China.

Training as part of the Kigwancha Sports Club, during 2012, Jong-sim went on to successfully represent North Korea at the London Summer Olympic Games, at which she took home a gold medal. She later returned to the 2016 Summer Olympic Games in Rio de Janeiro during which Jong-sim became a two-time Olympic Champion after winning her second gold medal.