Wallis was the recognized world record holder for many categories of autogyro records over the years, and was also recognized as the oldest pilot to set a world flight record at the age of 89. Wallis held most of the autogyro world records during his autogyro flying career. These include the Fédération Aéronautique Internationale time-to-climb, a speed record of 189 km/h (111.7 mph), and the straight-line distance record of . On 16 November 2002, Wallis increased the speed record to 207.7 km/h (129.1 mph).