Intro:
The Isle of Man TT (Tourist Trophy) Race is a
motorcycle racing event held on the Isle of Man and was for
many years the most prestigious motor-cycle race in the world.
The event was part of the FIM Motorcycle Grand Prix World
Championship during the period 1949-1976 before being
transferred to the United Kingdom after safety concerns and
run by the FIM as the British Grand Prix for the 1977 season.
The Isle of Man TT Races became part of the TT Formula 1
Championship during the period 1977-1990 to preserve the
events racing status.
From 1989 the racing has been developed
by the Isle of Man Department of Tourism as the Isle of Man TT
Festival.
The Snaefell Mountain Course or Mountain Course is a
road-racing circuit used for the Isle of Man TT and Manx Grand
Prix Races held in the Isle of Man from 1911 and 1923
respectively.
The racing is held on public roads closed for
racing by an Act of Tynwald (the parliament of the Isle of
Man). It is the oldest motor-cycle racing circuit still in
use.
The course is 37.733 miles (60.73 km) in length and the
start-line is situated on the A2 Glencrutchery Road in the
town of Douglas.
The racing circuit is based on a number of
public roads on the Isle of Man including the primary A2
Douglas to Ramsey road, A1 Douglas to Peel road, A3 Castletown
to Ramsey Road and the primary A18 Snaefell Mountain Road. The
highest point of the course is situated on the primary A18
Mountain Road between the Bungalow and Hailwood's Height at
spot height 422 metres (1,380 ft) above sea level.
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