Vasaloppet is a long distance (90 km) cross-country ski race held in northwestern Dalarna, Sweden, annually on the first Sunday of March. It is the oldest, one of the longest, and in popular consideration the biggest cross-country ski race in the world. In the 80th race, held on 7 March 2004, some 15,500 skiers competed in the main event, which is held over a distance of 90 kilometres between the village of Sälen and town of Mora.