| 1.1.1966 | East London [T/GT+1.6] | 83 | Elva Mark I | David Prophet | David Prophet Racing Ltd. | DNA |
| 1.1.1966 | GP East London | 83 | Elva Mark I | David Prophet | David Prophet Racing Ltd. | 1st |
| 8.1.1966 | Killarney | 83 | Elva Mark I | David Prophet | | DNF |
| 13.2.1966 | SCCA Regional Green Valley [CM+DM+EM+FM+AP+BP] | | Elva Mark I | Joe Starkey | | 1st |
| 5.3.1966 | SA SCC Kyalami RAT | | Elva Mark I | Bob Olthoff | | 1st |
| 26.3.1966 | SCCA National Seguin [CM+DM+EM+FM+GM+HM] | | Elva Mark I | Joe Starkey | | 1st |
| 8.4.1966 | Scott-Brown Memorial Snetterton | 1 | Elva Mark II B | Bruce McLaren | Bruce McLaren Motor Racing Ltd. | 8th |
| 8.4.1966 | Scott-Brown Memorial Snetterton | 2 | Elva Mark II | Chris Amon | Bruce McLaren Motor Racing Ltd. | 2nd |
| 8.4.1966 | Scott-Brown Memorial Snetterton | 3 | Elva Mark I | John Coundley | John Coundley | 4th |
| 8.4.1966 | Scott-Brown Memorial Snetterton | 4 | Elva Mark II | Frank Gardner | Alan Brown | DNA |
| 8.4.1966 | Scott-Brown Memorial Snetterton | 5 | Elva Mark II | Keith St. John | Radio London Racing | DNA |
| 8.4.1966 | Scott-Brown Memorial Snetterton | 6 | Elva Mark II | David Prophet | David Prophet | 9th |
| 11.4.1966 | SA SCC Roy Hesketh | | Elva Mark I | Bob Olthoff | | 1st |
| 17.4.1966 | SCCA National Stuttgart [Main] | | Elva Mark I | Joe Starkey | | 1st |
| 24.4.1966 | USRRC Las Vegas | 19 | Elva Mark I | Jim Roe | Joe L. Lucy | DNF |
| 24.4.1966 | USRRC Las Vegas | 21 | Elva Mark I | Joe Starkey | Joe Starkey | DNF |
| 24.4.1966 | USRRC Las Vegas | 22 | Elva Mark I | Jerry Entin | Entin Bros. Racing Team | DNS |
| 24.4.1966 | USRRC Las Vegas | 27 | Elva Mark II | Lothar Motschenbacher | Lothar Motschenbacher | DNF |
| 24.4.1966 | USRRC Las Vegas | 28 | Elva Mark I | Ralph Salyer | Joseph H. Salyer and Son | DNF |
| 24.4.1966 | USRRC Las Vegas | 55 | Elva Mark I | Jim Adams | Hollywood Sport Cars | DNA |
| 24.4.1966 | USRRC Las Vegas | 96 | Elva Mark I | Mike Goth | Mike Goth Racing | DNA |
| 24.4.1966 | USRRC Las Vegas | 97 | Elva Mark II | Charlie Hayes | Charles Hayes Racing | DNF |
| 24.4.1966 | USRRC Las Vegas | 98 | Elva Mark II | Mason O'Keiff | Gustav O'Keiff | DNS |
| 30.4.1966 | Tourist Trophy | 8 | Elva Mark I | Frank Gardner | Alan Brown | DNF |
| 30.4.1966 | Tourist Trophy | 26 | Elva Mark I | John Coundley | John O. Coundley | 7th |
| 30.4.1966 | Tourist Trophy | 30 | Elva Mark II | Keith St. John | Radio London Racing | DNF |
| 30.4.1966 | Tourist Trophy | 32 | Elva Mark II | David Prophet | David Prophet | DNF |
| 1.5.1966 | USRRC Riverside | 6 | Elva Mark II | Bud Morley | | 7th |
| 1.5.1966 | USRRC Riverside | 27 | Elva Mark II | Lothar Motschenbacher | | DNF |
| 1.5.1966 | USRRC Riverside | 28 | Elva Mark I | Ralph Salyer | | DNF |
| 1.5.1966 | USRRC Riverside | 97 | Elva Mark II | Charlie Hayes | | DNF |
| 1.5.1966 | USRRC Riverside | 98 | Elva Mark II | Mason O'Keiff | | DNF |
| 1.5.1966 | USRRC Riverside | | Elva Mark I | Joe Starkey | | DNA |
| 1.5.1966 | SCCA National Bottomless Lakes [Modified+AP+BP+CP+DP] | | Elva Mark I | Joe Starkey | | 1st |
| 8.5.1966 | USRRC Laguna Seca | 2 | Elva Mark I | Jerry Entin | Jerry Entin | DNF |
| 8.5.1966 | USRRC Laguna Seca | 6 | Elva Mark II | Bud Morley | | DNF |
| 8.5.1966 | USRRC Laguna Seca | 19 | Elva Mark II | Bill Amick | | DNF |
| 8.5.1966 | USRRC Laguna Seca | 25 | Elva Mark I | Ralph Salyer | | DNA |
| 8.5.1966 | USRRC Laguna Seca | 27 | Elva Mark II | Lothar Motschenbacher | | DNF |
| 8.5.1966 | USRRC Laguna Seca | 55 | Elva Mark I | Jim Adams | Hollywood Sport Cars | DNA |
| 8.5.1966 | USRRC Laguna Seca | 91 | Elva Mark I | Joe Starkey | | DNA |
| 8.5.1966 | USRRC Laguna Seca | 95 | Elva Mark II | Ludwig Heimrath | | 14th |
| 8.5.1966 | USRRC Laguna Seca | 96 | Elva Mark I B | Mike Goth | | DNA |
| 8.5.1966 | USRRC Laguna Seca | 97 | Elva Mark II | Charlie Hayes | | 1st |
| 8.5.1966 | USRRC Laguna Seca | 98 | Elva Mark II | Mason O'Keiff | | DNA |
| 8.5.1966 | USRRC Laguna Seca | | Elva Mark I | Jim Roe | | 16th |
| 14.5.1966 | Silverstone International | 14 | Elva Mark I | John Coundley | J. O. Coundley | DNF |
| 14.5.1966 | Silverstone International | 21 | Elva Mark II | Roy Pierpoint | K. Smith | DNS |
| 14.5.1966 | Silverstone International | 27 | Elva Mark I | Frank Gardner | Alan Brown Racing | DNS |
| 14.5.1966 | Silverstone International | 28 | Elva Mark II B | Bruce McLaren | Bruce McLaren Motor Racing | 3rd |
| 14.5.1966 | Silverstone International | 29 | Elva Mark II | Chris Amon | Bruce McLaren Motor Racing | 2nd |
| 14.5.1966 | Silverstone International | 31 | Elva Mark II | David Prophet | David Prophet (Racing) | 8th |
| 16.5.1966 | Player's Pacific Westwood | 19 | Elva Mark II | Bill Amick | | DNF |
| 22.5.1966 | USRRC Bridgehampton | 27 | Elva Mark II | Lothar Motschenbacher | | 2nd |
| 22.5.1966 | USRRC Bridgehampton | 66 | Elva Mark II | Bud Morley | | 11th |
| 22.5.1966 | USRRC Bridgehampton | 96 | Elva Mark I B | Mike Goth | Mike Goth Racing | 3rd |
| 22.5.1966 | USRRC Bridgehampton | | Elva Mark I | Jerry Entin | Jerry Entin | DNS |
| 28.5.1966 | SA SCC Kyalami SAF | | Elva Mark I | Bob Olthoff | | ?th |
| 29.5.1966 | Labatt 50 Mont-Tremblant | 2 | Elva Mark II | Chris Amon | Bruce McLaren | DNF |
| 29.5.1966 | Labatt 50 Mont-Tremblant | 4 | Elva Mark II B | Bruce McLaren | Bruce McLaren | 1st |
| 29.5.1966 | Grovewood Trophy Mallory Park | 5 | Elva Mark II | David Prophet | David Prophet Racing Ltd. | 11th |
| 29.5.1966 | Labatt 50 Mont-Tremblant | 5 | Elva Mark I | Jerry Entin | Entin Brothers | DNF |
| 29.5.1966 | Grovewood Trophy Mallory Park | 6 | Elva Mark I | Frank Gardner | Alan Brown | 7th |
| 29.5.1966 | Grovewood Trophy Mallory Park | 7 | Elva Mark I | Roy Pierpoint | Radio London Racing | 12th |
| 29.5.1966 | Labatt 50 Mont-Tremblant | 11 | Elva Mark II | Lothar Motschenbacher | Lothar Motschenbacher | DNF |
| 29.5.1966 | Labatt 50 Mont-Tremblant | 19 | Elva Mark II | Ludwig Heimrath | Team Lynx | 5th |
| 29.5.1966 | Labatt 50 Mont-Tremblant | 61 | Elva Mark II | Bud Morley | Bud Morley | DNF |
| 29.5.1966 | Labatt 50 Mont-Tremblant | 96 | Elva Mark I B | Mike Goth | Mike Goth | DNF |
| 29.5.1966 | Labatt 50 Mont-Tremblant | 97 | Elva Mark II | Charlie Hayes | D. Blocker | DNF |
| 4.6.1966 | Player's 200 Mosport | 2 | Elva Mark II | Chris Amon | Bruce McLaren Motor Racing Ltd. | 3rd |
| 4.6.1966 | Player's 200 Mosport | 4 | Elva Mark II B | Bruce McLaren | Bruce McLaren Motor Racing Ltd. | 1st |
| 4.6.1966 | Player's 200 Mosport | 11 | Elva Mark II | Lothar Motschenbacher | Lothar | 2nd |
| 4.6.1966 | Player's 200 Mosport | 39 | Elva Mark II | Ludwig Heimrath | Scuderia Lynx | 15th |
| 4.6.1966 | Player's 200 Mosport | 97 | Elva Mark II | Charlie Hayes | Charles Hayes Racing | raced |