Canada and the United States had won the gold since the event began in 1998, and the two countries had also won each IIHF World Women's Championship since the event began in 1990. She explained that the talent gap between the North American and European countries was due to the presence of women's professional leagues in North America, along with year-round training facilities. She stated the European players were talented, but their respective national team programs were not given the same level of support as the European men's national teams, or the North American women's national teams. With a third and fourth consecutive Olympic gold medal in women's hockey won by defeating the United States of America 2–0 in Vancouver and 3-2 in Sochi, Hayley now has 5 Olympic medals: 4 gold, 1 silver. She is one of only five athletes to win gold in four consecutive Winter Games, along with teammates Jayna Hefford and Caroline Ouellette. At her retirement in 2017 she was the Olympic tournament’s all-time leading scorer with 18 goals and 51 points. Wickenheiser took the athlete's oath in English at the 2010 Winter Olympics opening ceremony in Vancouver, British Columbia and was Canada's flagbearer at the Sochi Winter Olympics in 2014. Women's professional leagues In 1996, Wickenheiser was named MVP of the Esso women's hockey nationals, helping Alberta to a fourth-place finish. In 1997 and 1998, Wickenheiser won Nationals with the Edmonton Chimos and Calgary Oval X-Treme respectively. She was named tournament MVP both years. Between 1999 and 2001, Wickenheiser continued to play for her club teams at the Esso Women's National Championships, winning a gold medal and two silvers. She played 2004–05 with the Calgary Oval X-Treme, in the inaugural season of the Western Women's Hockey League. The X-Treme were league champions. Wickenheiser was the regular season leading scorer and named to the league's all-star team. She also played for Alberta at the Esso National Championships, where they won gold. She led the tournament in scoring and was named MVP. Men's professional leagues In 2003, Wickenheiser became the first woman to score a goal playing in a men's semi-professional league (for HC Salamat in Suomi-sarja, Finland's third-division league). Over the course of the season, Wickenheiser played 23 games, scoring 2 goals and adding 10 assists. Wickenheiser joined a European league to play professional hockey, as the game is more open and less physical than North