|Representing the Soviet Union|
|1983 Helsinki||50 km walk|
|IAAF World Race Walking Cup|
|1983 Bergen||50 km walk|
The 1983 season saw his greatest successes. He began with the silver medal at the 1983 IAAF World Race Walking Cup, finishing behind Mexico's Raúl González. He followed this with a win at the Spartakiad, becoming the Soviet champion. The first World Championships in Athletics was held in Helsinki later that year and Yung was the bronze medallist there, beaten only by Ronald Weigel and José Marín.