Years	Length	Laprecord	By	Year
	1976-83	1976-81, 3.521 km 1982-83, 3.428 km	1.19.83 1.28.330	N Piquet A Prost	1980 1983

No	Date	Racename	Length	Distance	Winner	Time
1	1983-03-27	Toyota Grand Prix of the United States	3.428 km, 75 laps	245.625 km	John Watson	1h53'34.889
2	1982-04-04	Toyota Grand Prix of the United States	3.428 km, 75 laps	258.814 km	Niki Lauda	1h58'25.318
3	1981-03-15	XXIIIrd Toyota Grand Prix of the United States (West)	3.521 km, 80 laps	261.705 km	Alan Jones	1h50'41.33
4	1980-03-30	VthToyota Grand Prix of the United States (West)	3.521 km, 80 laps	261.705 km	Nelson Piquet	1h50'18.550
5	1979-04-08	Lubri Lon United States Grand Prix West	3.521 km, 80 laps	261.705 km	Gilles Villeneuve	1h50'25.40
6	1978-04-02	IIIrd United States Grand Prix-West	3.521 km, 80 laps	261.705 km	Carlos Reutemann	1h52'01.301
7	1977-04-03	2nd United States Grand Prix - West	3.521 km, 80 laps	260.080 km	Mario Andretti	1h51'35.470
8	1976-03-28	1st United States Grand Prix West	3.521 km, 80 laps	260.080 km	Clay Regazzoni	1h53'18.471