Valentino Rossi won last year's race at the TT Assen circuit. (Photo: Dorna Communications)

won last year’s race at the TT Circuit Assen. (Photo: Dorna Communications)

The TT Circuit Assen is the only track that has staged a grand prix race every year since the start of the world championship in 1949.

Motorcycle racing started on the roads round Assen in 1925 on a 27.53 km (17.11 miles) circuit. The circuit was shortened to 16.54 km (10.275 miles) between 1926 –1954 although there was no racing between 1939 – 1946 because of the Second World War. It was halved in length in 1955 to 7.704 km (4.787 miles) and further shortened in 2002.

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