| 17.3.1973 | Race of Champions | 62 | #BT42/1 | John Watson | Motor Racing Developments | DNF |
| 29.4.1973 | GP Spain | 17 | #BT42/2 | Wilson Fittipaldi | Motor Racing Developments | 10th |
| 29.4.1973 | GP Spain | 18 | #BT42/3 | Carlos Reutemann | Motor Racing Developments | 13th |
| 20.5.1973 | GP Belgium | 10 | #BT42/3 | Carlos Reutemann | Ceramica Pagnossin Racing | DNF |
| 20.5.1973 | GP Belgium | 11 | #BT42/2 | Wilson Fittipaldi | Ceramica Pagnossin Racing | DNF |
| 3.6.1973 | GP Monaco | 10 | #BT42/3 | Carlos Reutemann | Motor Racing Developments | DNF |
| 3.6.1973 | GP Monaco | 11 | #BT42/2 | Wilson Fittipaldi | Motor Racing Developments | 11th |
| 17.6.1973 | GP Sweden | 10 | #BT42/3 | Carlos Reutemann | Motorcar Racing Developments | 4th |
| 17.6.1973 | GP Sweden | 11 | #BT42/2 | Wilson Fittipaldi | Motorcar Racing Developments | DNF |
| 1.7.1973 | GP France | 10 | #BT42/3 | Carlos Reutemann | Motor Racing Developments | 3rd |
| 1.7.1973 | GP France | 10T | #BT42/2 | | Motor Racing Developments | unused |
| 1.7.1973 | GP France | 11 | #BT42/4 | Wilson Fittipaldi | Motor Racing Developments | 16th |
| 14.7.1973 | GP Great Britain | 9 | #BT42/4 | Andrea de Adamich | Ceramica Pagnossin | DNF |
| 14.7.1973 | GP Great Britain | 10 | #BT42/3 | Carlos Reutemann | Motor Racing Developments | 6th |
| 14.7.1973 | GP Great Britain | 11 | #BT42/2 | Wilson Fittipaldi | Motor Racing Developments | DNF |
| 14.7.1973 | GP Great Britain | 47 | #BT42/5 | Carlos Reutemann | Motor Racing Developments | T-car |
| 29.7.1973 | GP Netherlands | 10 | #BT42/3 | Carlos Reutemann | Motor Racing Developments | DNF |
| 29.7.1973 | GP Netherlands | 11 | #BT42/2 | Wilson Fittipaldi | Motor Racing Developments | DNF |
| 29.7.1973 | GP Netherlands | 11T | #BT42/5 | Wilson Fittipaldi | Motor Racing Developments | T-car |
| 5.8.1973 | GP Germany | 9 | #BT42/5 | Rolf Stommelen | Ceramica Pagnossin | 11th |
| 5.8.1973 | GP Germany | 10 | #BT42/3 | Carlos Reutemann | Motor Racing Developments Ltd. | DNF |
| 5.8.1973 | GP Germany | 11 | #BT42/2 | Wilson Fittipaldi | Motor Racing Developments Ltd. | 5th |
| 5.8.1973 | GP Germany | 29 | #BT42/1 | John Watson | Hexagon Racing | DNA |
| 19.8.1973 | GP Austria | 9 | #BT42/6 | Stommelen | Ceramica Pagnossin | DNF |
| 19.8.1973 | GP Austria | 9T | #BT42/5 | Stommelen / Fittipaldi | Ceramica Pagnossin | T-car |
| 19.8.1973 | GP Austria | 10 | #BT42/3 | Carlos Reutemann | Motor Racing Developments | 4th |
| 19.8.1973 | GP Austria | 11 | #BT42/2 | Wilson Fittipaldi | Motor Racing Developments | DNF |
| 9.9.1973 | GP Italy | 9 | #BT42/6 | Rolf Stommelen | Ceramica Pagnossin | 12th |
| 9.9.1973 | GP Italy | 10 | #BT42/3 | Carlos Reutemann | Motor Racing Developments | 6th |
| 9.9.1973 | GP Italy | 11 | #BT42/5 | Fittipaldi | Motor Racing Developments | DNF |
| 9.9.1973 | GP Italy | 11T | #BT42/2 | Wilson Fittipaldi | Motor Racing Developments | T-car |
| 23.9.1973 | GP Canada | 9 | #BT42/6 | Rolf Stommelen | Ceramica Pagnossin | 12th |
| 23.9.1973 | GP Canada | 10 | #BT42/3 | Carlos Reutemann | Motor Racing Developments | 8th |
| 23.9.1973 | GP Canada | 11 | #BT42/5 | Fittipaldi | Motor Racing Developments | 11th |
| 7.10.1973 | GP United States | 9 | #BT42/6 | John Watson | Ceramica Pagnossin - Motor Racing Developments, Ltd. | DNF |
| 7.10.1973 | GP United States | 10 | #BT42/3 | Carlos Reutemann | Motor Racing Developments, Ltd. | 3rd |
| 7.10.1973 | GP United States | 11 | #BT42/5 | Fittipaldi | Motor Racing Developments, Ltd. | NC |