| 7.6.1981 | 500 km Fuji | 12 | RX-3 Savanna | Sugiyama / Koiso | Mazda Sport Car Club | 6th |
| 7.6.1981 | 500 km Fuji | 16 | RX-7 | Tabata / Isozaki | Tanaka Engineering | 11th |
| 7.6.1981 | 500 km Fuji | 17 | RX-7 253 | Oguchi / Ishimura | Team Speed Shop Seven | 7th |
| 7.6.1981 | 500 km Fuji | 21 | RX-7 | Iida / Sugisaki | Taku Racing | 15th |
| 7.6.1981 | 500 km Fuji | 24 | RX-3 Savanna | Ooya / Kubota | Tekam | 10th |
| 7.6.1981 | 500 km Fuji | 81 | RX-3 Savanna | Suzuki / Okamoto | Shizumatsu Racing Team | 8th |
| 7.6.1981 | 500 km Fuji | | RX-7 253SR | | Kinomi Racing | raced |
| 14.6.1981 | GP Brno | 6 | RX-3 S124A | Becker / Hahne / Stoffel | Haribo Lakritzen Racing Team | DNF |
| 14.6.1981 | GP Brno | 7 | RX-7 | Mitterer / Stoffel / Stoffel, Jr. | Haribo Lakritzen Racing Team | DNF |
| 14.6.1981 | GP Brno | 15 | RX-7 | Müller / Kuhn-Weiss | Müllerbrau Valvoline | DNF |
| 14.6.1981 | GP Brno | 17 | RX-3 S124A | Rockenbauer / Mitterer | Rara Vienna | DNS |
| 14.6.1981 | 24 h Le Mans | 37 | RX-7 253i | Lovett / Walkinshaw / Ikuzawa | Mazdaspeed | DNF |
| 14.6.1981 | 24 h Le Mans | 38 | RX-7 253i | Percy / Terada / Fushida | Mazdaspeed | DNF |
| 14.6.1981 | 24 h Le Mans | 39 | RX-7 | Vermeersch / Stiff / Ratcliff | Z. & W. Enterprises Inc. | DNQ |
| 14.6.1981 | 200 km Brainerd | 82 | RX-7 | Jim Cook | Trinity Racing | 29th |
| 14.6.1981 | 200 km Brainerd | 92 | RX-7 | Lee Mueller | Kent Racing | 6th |
| 14.6.1981 | 200 km Brainerd | 98 | RX-7 | Walt Bohren | Kent Racing | 24th |
| 2.7.1981 | 6 h Daytona | 00 | RX-3 | Haywood | Mike Meyer | 61st |
| 2.7.1981 | 6 h Daytona | 01 | RX-3 | Varde / Garretson | Joe Varde | 41st |
| 2.7.1981 | 6 h Daytona | 03 | RX-3 | Sloan / Peck | Bill Peck | 36th |
| 2.7.1981 | 6 h Daytona | 4 | RX-3 | Ouellette | E. J. Pruitt | 53rd |
| 2.7.1981 | 6 h Daytona | 5 | RX-3 | Lambke / Zellmer | Paul Lambke | 10th |
| 2.7.1981 | 6 h Daytona | 8 | RX-2 | Romano / Johnson | Paul Romano | 13th |
| 2.7.1981 | 6 h Daytona | 13 | RX-3 | Stiff / Elmore | Malone Freight | 4th |
| 2.7.1981 | 6 h Daytona | 27 | RX-3 | Dunham / Haywood | Mike Meyer | 3rd |
| 2.7.1981 | 6 h Daytona | 34 | RX-3 | Cason / Moseley | Music City Racing | 24th |
| 2.7.1981 | 6 h Daytona | 35 | RX-3 | Ulinski / Speer / Ratcliff | Chuck Ulinski | 5th |
| 2.7.1981 | 6 h Daytona | 36 | RX-3 | Rick Cline | Richard Cline | DNA |
| 2.7.1981 | 6 h Daytona | 37 | RX-3 | Felton / Llauget | RJL Racing | 37th |
| 2.7.1981 | 6 h Daytona | 38 | RX-3 | Mandeville / Johnson | Mandeville Racing | 1st |
| 2.7.1981 | 6 h Daytona | 53 | RX-3 | Smith / Alexander / Elvis | Sandpiper Racing | 9th |
| 2.7.1981 | 6 h Daytona | 54 | RX-3 | Wever / Palmer | Wever/Palmer | 34th |
| 2.7.1981 | 6 h Daytona | 60 | RX-3 | Cowart / Brogden | Buddy Brogden | 30th |
| 2.7.1981 | 6 h Daytona | 61 | RX-3 | Rahal / Ebding / Barron | Toad Hollow Racing | 33rd |
| 2.7.1981 | 6 h Daytona | 63 | RX-3 | Waugh / Downing | Downing Maffucci Racing | 2nd |
| 2.7.1981 | 6 h Daytona | 74 | RX-2 | Skip Grenier | Skip Grenier | DNA |
| 2.7.1981 | 6 h Daytona | 75 | RX-3 | Worth / Priest | | DNS |
| 2.7.1981 | 6 h Daytona | 83 | RX-2 | O'Brien / Heath | Larry O'Brien | DNS |
| 2.7.1981 | 6 h Daytona | 90 | RX-3 | English / Bobo | James Bobo | 14th |
| 2.7.1981 | 6 h Daytona | 94 | RX-3 | Nealon / Jobe | Jim Nealon | 6th |
| 4.7.1981 | 250 mile Daytona Paul Revere | 11 | RX-7 | Dan Veach | Dan Veach | 31st |
| 4.7.1981 | 250 mile Daytona Paul Revere | 50 | RX-7 | Jim Downing | Downing/Atlanta | 10th |
| 4.7.1981 | 250 mile Daytona Paul Revere | 55 | RX-7 | Mandeville / Johnson | Mandeville Racing | 8th |
| 4.7.1981 | 250 mile Daytona Paul Revere | 66 | RX-7 | Jack Dunham | Jack Dunham | 34th |
| 4.7.1981 | 250 mile Daytona Paul Revere | 82 | RX-7 | Cook / Casey | Trinity Racing | 9th |
| 12.7.1981 | 6 h Watkins Glen | 47 | RX-7 | Mullen / Bohren | Loud Car Racing | 13th |
| 26.7.1981 | 1000 km Fuji | 14 | RX-3 Savanna | Katsuki / Tomioka / Sekiguchi | RE Amamiya Racing | 7th |
| 26.7.1981 | 1000 km Fuji | 16 | RX-7 | Tabata / Isozaki / Kusano | Tanaka Engineering | 10th |
| 26.7.1981 | 1000 km Fuji | 17 | RX-7 253 | Oguchi / Ishimura / Azumi | Team Speed Shop Seven | 5th |
| 26.7.1981 | 1000 km Fuji | 24 | RX-3 Savanna | Yamaguchi / Kubota / Ooya | Tekam | 9th |
| 26.7.1981 | 24 h Spa | 40 | RX-7 | Dieudonné / Walkinshaw | Mazda Motul TWR Team | 1st |
| 26.7.1981 | 24 h Spa | 41 | RX-7 | Lovett / Percy | Mazda Motul TWR Team | DNF |
| 26.7.1981 | 24 h Spa | 42 | RX-7 | Nicholson / Percy / Allam / Duez | Mazda Motul TWR Team | 5th |
| 26.7.1981 | 24 h Spa | 43 | RX-7 | Palmer / Argetsinger / Libert | Mazda Car GB Ltd. | DNQ |
| 26.7.1981 | 1000 km Fuji | 77 | RX-7 253SR | Yorino / Tatsumi | Kinomi Racing | 6th |
| 26.7.1981 | Sears Point [GTU] | 82 | RX-7 | Jim Cook | Trinity Racing | 6th |
| 26.7.1981 | Sears Point [GTU] | 92 | RX-7 | Lee Mueller | Kent Racing | 4th |
| 26.7.1981 | Sears Point [GTU] | 98 | RX-7 | Walt Bohren | Kent Racing | 3rd |
| 26.7.1981 | 1000 km Fuji | | RX-7 | | Taku Racing | raced |
| 26.7.1981 | 1000 km Fuji | | RX-3 | | Mazda Sport Car Club | raced |
| 26.7.1981 | 1000 km Fuji | | RX-3 | | Shizumatsu Racing Team | raced |
| 2.8.1981 | Portland [GTU] | 77 | RX-7 | Jeff Kline | JLC Racing | 5th |
| 2.8.1981 | 1 h Portland | 82 | RX-7 | Jim Cook | Trinity Racing | DNA |
| 2.8.1981 | Portland [GTU] | 82 | RX-7 | Jim Cook | Trinity Racing | 4th |
| 2.8.1981 | Portland [GTU] | 92 | RX-7 | Lee Mueller | Kent Racing | 1st |
| 2.8.1981 | Portland [GTU] | 98 | RX-7 | Walt Bohren | Kent Racing | 2nd |
| 16.8.1981 | 6 h Mosport | 39 | RX-7 | Stiff | Z & W Enterprises | 31st |
| 16.8.1981 | 6 h Mosport | 82 | RX-7 | Cook / Casey | Trinity Racing | DNA |
| 16.8.1981 | 6 h Mosport | 92 | RX-7 | Bohren / Mueller | Kent Racing | 9th |
| 23.8.1981 | 500 mile Road America | 12 | RX-7 | Grunnet / Burt | Corp Racing Ltd. | 19th |
| 23.8.1981 | 500 mile Road America | 50 | RX-7 | Downing / Hoerr | Downing/Atlanta | 21st |
| 23.8.1981 | 500 mile Road America | 55 | RX-7 | Mandeville / Johnson | Mandeville Racing Enterprices | 14th |
| 23.8.1981 | 500 mile Road America | 78 | RX-2 | Nesbitt / Johnson | American Revolution | 20th |
| 23.8.1981 | 500 mile Road America | 82 | RX-7 | Cook / Casey | Trinity Racing | 25th |
| 23.8.1981 | 500 mile Road America | 92 | RX-7 | Bohren / Mueller | Kent Racing | 8th |
| 30.8.1981 | 1000 km Suzuka | 3 | RX-7 | Inagaki / Imai | | 8th |
| 30.8.1981 | 1000 km Suzuka | 11 | RX-3 Savanna | Okada / Katou | | 9th |
| 30.8.1981 | 1000 km Suzuka | 16 | RX-7 | | | raced |
| 30.8.1981 | 1000 km Suzuka | 17 | RX-7 253 | Trimmer / Nicole | | 2nd |
| 30.8.1981 | 500 km Mid-Ohio | 51 | RX-7 | Carmean / Ribbs | Red Roof Inns | unused |
| 30.8.1981 | 1000 km Suzuka | 98 | RX-7 | Katayama / Rude | Kent Racing | 3rd |
| 13.9.1981 | 45 min Road Atlanta II [GTU] | 8 | RX-2 | Paul Romano | Paul Romano | 12th |
| 13.9.1981 | 45 min Road Atlanta II [GTU] | 11 | RX-7 | Dan Veach | Dan Veach | 17th |
| 13.9.1981 | Tourist Trophy | 17 | RX-7 | Nicholson / Walkinshaw | Chuck Nicholson | 1st |
| 13.9.1981 | Tourist Trophy | 18 | RX-7 | Müller / Kuhn-Weiss | Müllerbrau Valvoline Team | 8th |
| 13.9.1981 | 45 min Road Atlanta II [GTU] | 51 | RX-7 | Doug Carmean | | 23rd |
| 13.9.1981 | 45 min Road Atlanta II [GTU] | 66 | RX-7 | Jack Dunham | Jack Dunham | 24th |
| 13.9.1981 | Tourist Trophy | 71 | RX-7 | Schumacher / Hahne | Mazda Rotari Racing Team | DNA |
| 13.9.1981 | 45 min Road Atlanta II [GTU] | 74 | RX-7 | Randy Pollock | Numismatic Resources | DNA |
| 13.9.1981 | 45 min Road Atlanta II [GTU] | 82 | RX-7 | Jim Cook | Trinity Racing | 3rd |
| 13.9.1981 | 45 min Road Atlanta II [GTU] | 92 | RX-7 | Lee Mueller | Kent Racing | 2nd |
| 13.9.1981 | 45 min Road Atlanta II [GTU] | 98 | RX-7 | Walt Bohren | Kent Racing | 1st |
| 27.9.1981 | 500 mile Pocono | 4 | RX-7 | Cosentino / Speakman | | 20th |
| 27.9.1981 | 500 mile Pocono | 50 | RX-7 | Downing / Hoerr | Downing/Atlanta | 18th |
| 27.9.1981 | 500 mile Pocono | 51 | RX-7 | Carmean / Pinney / O'Steen | | 13th |
| 27.9.1981 | 500 mile Pocono | 55 | RX-7 | Mandeville / Johnson | Mandeville Racing Ent. | 17th |
| 27.9.1981 | 500 mile Pocono | 78 | RX-2 | Nesbitt / Johnson | Bruce Nesbitt | 22nd |
| 27.9.1981 | 500 mile Pocono | 82 | RX-7 | Cook / Casey | Trinity Racing | 10th |
| 27.9.1981 | 500 mile Pocono | 98 | RX-7 | Bohren / Knoop | Kent Racing | 8th |
| 27.9.1981 | ETCC Zolder | | RX-7 | Müller / Kuhn-Weiss | Müllerbrau Team Valvoline | 3rd |