The Queen Mother Champion Chase is a prestigious horse race held annually at the Cheltenham Festival in the United Kingdom. It is specifically for chase horses aged five years and older and is run over a distance of about 1 mile and 7 furlongs. The race is known for its competitive field and is one of the highlights of the festival, attracting top horses and trainers. Established in 1959, the race is named in honor of Queen Elizabeth The Queen Mother, who was a significant supporter of horse racing. It is a Grade 1 event, which signifies the highest level of quality in horse racing, and is a key race in the National Hunt calendar.