| Argentina | 09 Jan | Jody ScheckterSCH | Wolf Ford | 53 | 1:40:11.190 |
| Brazil | 23 Jan | Carlos ReutemannREU | Ferrari | 40 | 1:45:07.720 |
| South Africa | 05 Mar | Niki LaudaLAU | Ferrari | 78 | 1:42:21.600 |
| USA West | 03 Apr | Mario AndrettiAND | Lotus Ford | 80 | 1:51:35.470 |
| Spain | 08 May | Mario AndrettiAND | Lotus Ford | 75 | 1:42:52.220 |
| Monaco | 22 May | Jody ScheckterSCH | Wolf Ford | 76 | 1:57:52.770 |
| Belgium | 05 Jun | Gunnar NilssonNIL | Lotus Ford | 70 | 1:55:05.710 |
| Sweden | 19 Jun | Jacques LaffiteLAF | Ligier Matra | 72 | 1:46:55.520 |
| France | 03 Jul | Mario AndrettiAND | Lotus Ford | 80 | 1:39:40.130 |
| Great Britain | 16 Jul | James HuntHUN | McLaren Ford | 68 | 1:31:46.060 |
| Germany | 31 Jul | Niki LaudaLAU | Ferrari | 47 | 1:31:48.620 |
| Austria | 14 Aug | Alan JonesJON | Shadow Ford | 54 | 1:37:16.490 |
| Netherlands | 28 Aug | Niki LaudaLAU | Ferrari | 75 | 1:41:45.930 |
| Italy | 11 Sep | Mario AndrettiAND | Lotus Ford | 52 | 1:27:50.300 |
| USA East | 02 Oct | James HuntHUN | McLaren Ford | 59 | 1:58:23.267 |
| Canada | 09 Oct | Jody ScheckterSCH | Wolf Ford | 80 | 1:40:00.000 |
| Japan | 23 Oct | James HuntHUN | McLaren Ford | 73 | 1:31:51.680 |