- United States Grand Prix West
- Piquet's victory overshadowed by nasty Regazzoni crash
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March 30, 1980: Nelson Piquet was the winner of the USA Grand Prix at Long Beach, but a serious accident for Clay Regazzoni left a black cloud hanging over the race
- South African Grand Prix
- Arnoux inherits easy Renault victory
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March 1, 1980: Renault's Rene Arnoux followed his win at Interlagos with victory at the South African Grand Prix