The World Championship Snowmobile Derby is an annual snowmobile racing event held in Eagle River, Wisconsin. It attracts top racers from around the world, showcasing their skills on a challenging oval track. The event typically features various classes of snowmobiles, allowing both professional and amateur racers to compete. In addition to the main race, the derby includes various activities and entertainment for spectators. Fans can enjoy food vendors, merchandise booths, and live music, making it a festive atmosphere. The event has a rich history, having started in 1964, and continues to be a highlight of the winter sports calendar.