TT Assen
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The Dutch Tourist Trophy, also known as the TT Assen, and also sometimes known as the Dutch Motorcycle Grand Prix, is an annual Dutch motorsport event established in 1925 for road racing motorcycles held on the TT Circuit Assen, also known as the... Wikipedia
Venue: TT Circuit Assen (1949–2019, 2021–present)
First race: 1949
Most wins (manufacturer): Honda (65)
Most wins (rider): Ángel Nieto (15)