Answer
The Vasaloppet is the world's longest cross-country ski race, spanning 90 kilometers from Sälen to Mora in Sweden. First held in 1922, it commemorates the escape of Gustav Vasa from pursuing Danish troops in the 16th century. Attracting thousands of participants annually, the Vasaloppet is known for its challenging course and frigid temperatures, making it a true test of endurance and perseverance for skiers worldwide.