The term "Classic Racing" in the United Kingdom is generally accepted as racing as defined under the rules and or auspices of the Classic Racing Motorcycle Club (CRMC). This was established in 1981 and mostly caters for solos and sidecars manufactured in the period 1945-1972.
Manx Grand Prix
The Manx Grand Prix, held on the Isle of Man, is considered by Classic racers worldwide as the ultimate classic racing event. This involves three or more laps around the famous 373/4 mile long 'Mountain' circuit. The Manx GP is traditionally held at the end of August.
Classic Racing worldwide