1980 Dutch TT

Date28 June 1980

Official nameDutch TT Assen^[1][2]

LocationTT Circuit Assen

Course

• Permanent racing facility
• 6.049 km (3.759 mi)

  1980 Dutch TT

Race details
Race 5 of 10 races in the 1980 Grand Prix motorcycle racing season
Date	28 June 1980
Official name	Dutch TT Assen[1][2]
Location	TT Circuit Assen
Course	Permanent racing facility 6.049 km (3.759 mi)
500cc
Pole position Rider Jack Middelburg Time 2:55.800 Fastest lap Rider Randy Mamola Time 2:57.600 Podium First Jack Middelburg Second Graziano Rossi Third Franco Uncini
350cc
Pole position Rider Anton Mang Time 2:59.300 Fastest lap Rider Unknown Podium First Jon Ekerold Second Patrick Fernandez Third Anton Mang
250cc
Pole position Rider Anton Mang Time 3:03.700 Fastest lap Rider Unknown Podium First Carlos Lavado Second Éric Saul Third Anton Mang
125cc
Pole position Rider Guy Bertin Time 3:13.900 Fastest lap Rider Unknown Podium First Ángel Nieto Second Guy Bertin Third Loris Reggiani
50cc
Pole position Rider Ricardo Tormo Time 3:33.400 Fastest lap Rider Unknown Podium First Ricardo Tormo Second Stefan Dörflinger Third Eugenio Lazzarini

The 1980 Dutch TT was the fifth round of the 1980 Grand Prix motorcycle racing season. It took place on the weekend of 27–28 June 1980 at the TT Circuit Assen located in Assen, Netherlands.^[3]