Therese Johaug (born 25 June 1988) is a Norwegian cross-country skier from the village of Dalsbygda in Os municipality who has competed for the clubs Tynset IF and IL Nansen. In World Ski Championships she has won ten individual gold medals along with four gold medals in relays, and she is a four-time Olympic gold medallist. In October 2016, Johaug tested positive for the performance-enhancing drug clostebol. She blamed the Norwegian team medic Fredrik S. Bendiksen but was suspended for 18 months. She returned to the World Cup in 2019 and has continued to dominate women's distance competitions in the following seasons. On 4 March 2022, Therese Johaug announced her retirement from elite cross-country skiing following the 2021–2022 season. Athletic career After skiing some domestic races in the 2006 season, Johaug took part at the Norwegian Championships in 2007, winning a bronze at the 7.5 km + 7.5 km double pursuit event. She was selected for two World Cup races before the World Championships, finishing eighth and 33rd in two interval start races over 10 km, which was enough to be selected for competition in the 30 km distance at the 2007 Sapporo World Championships where she won a surprising bronze medal. At the 2010 Winter Olympics in Vancouver, she won gold in the 4 × 5 km relay, came sixth in the 15 km pursuit and seventh in the 30 km mass start (classic) race. Johaug won her first individual gold medal in the 30 km mass start race at the 2011 World Championships in Oslo. She also won gold in the 4 x 5 km relay, bronze in the 7.5 km + 7.5 km double pursuit and fourth in the 10 km individual start. At the 2013 World Championships, she won her second individual gold medal in the 10 km freestyle race. At the 2014 Winter Olympics in Sochi, she won the silver medal in the 30 km mass start (free), the bronze medal in the 10 km classical, and finished fourth in the 15 km skiathlon. Johaug and compatriot Martin Johnsrud Sundby became the first Norwegians to win the Tour de Ski when they won the women's and men's competitions in the 2013–14 edition of the race. Johaug subsequently won the overall and distance competitions in the 2013–14 FIS Cross-Country World Cup. She won the Birkebeinerrennet ski marathon in 2015 with a time of 2.41.46. That year