Wang Hong represented her nation at international competitions. She became Asian champion at the 2001 Asian Speed Skating Championships in the 1000 metres event. She competed twice at the World Sprint Speed Skating Championships for Women and twice at the World Single Distance Speed Skating Championships. At the World Sprint Championships she participated in 1999, finishing 27th overall and in 2001, finishing 21st overall. At the 2000 World Single Distance Speed Skating Championships she competed in the 500 metres event (disqualified) and at the 2001 World Single Distance Speed Skating Championships in the 500 metres event (21st) and 1000 metres event (21st). She also competed at other international competitions, including at ISU Speed Skating World Cups.