The Formula TT was a racing class for motorcycles from 1977 to 1990 as the official World Cup under the umbrella of International Motorcycling Federation. It was in three engine capacity classes, and was divided into both two and four-stroke engines.

The Isle of Man TT or Tourist Trophy races are an annual motorcycle racing event run on the Isle of Man in May and June of most years since its inaugural race in 1907. The event begins on the UK Spring Bank Holiday at the end of May and runs for thirteen days. It is often called one of the most dangerous racing events in the world as many competitors have died.