| 4.5.1968 | SCCA Regional Newport | 39 | Corvette Sting Ray C2 | Joe Naemura | | DNA |
| 4.5.1968 | SCCA Regional Newport | 68 | Camaro I | Joel Park | | DNA |
| 5.5.1968 | SCCA National Newport | 3 | Corvette Sting Ray C2 | Andy Montes | | DNA |
| 5.5.1968 | SCCA National Newport | 16 | Corvette Sting Ray C2 | Frank Search | | DNA |
| 5.5.1968 | SCCA National Newport | 17 | Corvette Sting Ray C2 | Rick Stark | | DNA |
| 5.5.1968 | SCCA National Newport | 39 | Corvette Sting Ray C2 | Joe Naemura | | DNA |
| 5.5.1968 | SCCA National Newport | 68 | Camaro I | Everett Hatch | | DNA |
| 5.5.1968 | SCCA National Newport | 69 | Corvette | R. Kelley | | DNA |
| 12.5.1968 | SCCA National Cumberland [AP+BP] | 2 | Corvette Sting Ray C2 | Don Yenko | | 2nd |
| 12.5.1968 | Trans-Am War Bonnet Park | 6 | Camaro I Z28 | Mark Donohue | Penske-Hilton Racing | 1st |
| 12.5.1968 | SCCA National Cumberland [AP+BP] | 6 | Corvette Sting Ray C2 | Donald Blatchley | Donald Blatchley | DNA |
| 12.5.1968 | SCCA National Cumberland [AP+BP] | 9 | Corvette Sting Ray C2 | Bob Fryer | Robert Fryer | 10th |
| 12.5.1968 | SCCA National Cumberland [AP+BP] | 11 | Corvette | Lou Statzer | Louis Statzer | 6th |
| 12.5.1968 | SCCA National Cumberland [AP+BP] | 15 | Corvette Sting Ray C2 | Edwin Barndt | | 8th |
| 12.5.1968 | SCCA National Cumberland [AP+BP] | 43 | Corvette Sting Ray C2 | Thomas Pierro | | DNF |
| 12.5.1968 | SCCA National Cumberland [AP+BP] | 50 | Corvette Sting Ray C2 | John Lechner | John Lechner | DNA |
| 12.5.1968 | SCCA National Cumberland [AP+BP] | 79 | Corvette Sting Ray C2 | Ralph Schubel | Ralph Schubel | DNF |
| 12.5.1968 | SCCA National Cumberland [AP+BP] | 80 | Corvette Sting Ray C2 | Dale Keenan | D-K Racing Ent. | DNA |
| 12.5.1968 | SCCA National Cumberland [AP+BP] | 81 | Corvette Sting Ray C2 | Bob Johnson | Doug Bergen | 11th |
| 12.5.1968 | SCCA National Cumberland [AP+BP] | 92 | Corvette Sting Ray C2 | John Orr | John Orr | DNF |
| 12.5.1968 | SCCA National Cumberland [AP+BP] | 94 | Corvette Sting Ray C2 | Eugene Ferri | Eugene Ferri | 9th |
| 12.5.1968 | Trans-Am War Bonnet Park | | Camaro I | Larry Wilcox | | DNF |
| 12.5.1968 | Trans-Am War Bonnet Park | | Camaro I | Wilton Jowett | | DNF |
| 19.5.1968 | SCCA Regional Meadowdale [ASR+BSR+AP+BP+AS] | 85 | Camaro I | Dick Lang | | 2nd |
| 19.5.1968 | SCCA Regional Meadowdale [ASR+BSR+AP+BP+AS] | | Corvette Sting Ray C2 | Ron Smego | | 6th |
| 19.5.1968 | SCCA Regional Meadowdale [ASR+BSR+AP+BP+AS] | | Corvette | John Putnam | | 10th |
| 19.5.1968 | SCCA Regional Meadowdale [ASR+BSR+AP+BP+AS] | | Chevy II Nova | Dan Spiegel | | 9th |
| 26.5.1968 | SCCA Regional Blackhawk Farms | | Corvette | Jerry Dunbar | | 1st |
| 26.5.1968 | SCCA Regional Blackhawk Farms | | Camaro I | Dick Lang | | 2nd |
| 26.5.1968 | SCCA Regional Blackhawk Farms | | Corvette | Bill Morrison | | ?th |
| 30.5.1968 | Trans-Am Lime Rock | 6 | Camaro I Z28 | Mark Donohue | Penske-Hilton Racing | 1st |
| 30.5.1968 | Trans-Am Lime Rock | 24 | Camaro I | Jim Murphy | | 10th |
| 30.5.1968 | Trans-Am Lime Rock | 77? | Camaro I | Craig Fisher | | DNF |
| 30.5.1968 | Trans-Am Lime Rock | | Camaro I | Floyd Aaskov | | 8th |
| 30.5.1968 | Trans-Am Lime Rock | | Camaro I | Wilton Jowett | | DQ |
| 2.6.1968 | SCCA National Willow Springs [AP+BP+AS] | 1 | Corvette | Marshall Dawson | Dawson Bros. | raced |
| 2.6.1968 | SCCA National Willow Springs [AP+BP+AS] | 7 | Camaro I | Tom Lynch | Thomas Lynch | DNA |
| 2.6.1968 | SCCA National Willow Springs [AP+BP+AS] | 8 | Corvette | Bud Willner | Bud Willner | raced |
| 2.6.1968 | SCCA National Willow Springs [AP+BP+AS] | 10 | Corvette | Sam Coniglio | Sam Coniglio | raced |
| 2.6.1968 | SCCA National Willow Springs [AP+BP+AS] | 21 | Corvette | Bob Kerr | | raced |
| 2.6.1968 | SCCA National Willow Springs [AP+BP+AS] | 37 | Camaro I | Andy Porterfield | Carl Byrd & Stan Allen | raced |
| 2.6.1968 | SCCA National Willow Springs [AP+BP+AS] | 41 | Corvette Sting Ray C2 | Lee Tompkins | C T Racing Oil | raced |
| 2.6.1968 | SCCA National Willow Springs [AP+BP+AS] | 64 | Camaro I | Tony Settember | Washburn Chevrolet | raced |
| 2.6.1968 | SCCA National Willow Springs [ASR+BSR+CSR] | 74 | Corvette | Dean Getman | Consolidated Electrical Dist. | DNA |
| 2.6.1968 | SCCA National Willow Springs [AP+BP+AS] | 78 | Corvette | John Lyons | John Lyons | DNA |
| 2.6.1968 | SCCA National Willow Springs [AP+BP+AS] | 92 | Corvette Sting Ray C2 | John P. Hill | Elect-Ro-Sonic Radio | DNA |
| 2.6.1968 | SCCA National Willow Springs [AP+BP+AS] | 94 | Corvette Sting Ray C2 | Neben Evol | Ben Younglove | raced |
| 9.6.1968 | SCCA Regional Cotati [ASR+BSR+CSR+DSR] | 2 | Corvette Sting Ray C2 | Jim Smith | | DNA |
| 9.6.1968 | SCCA Regional Cotati [AP+BP+CP+DP+AS] | 5 | Corvette Sting Ray C2 | Bill Treytl | | DNA |
| 9.6.1968 | SCCA Regional Cotati [AP+BP+CP+DP+AS] | 11 | Camaro I | John Silva | | DNA |
| 9.6.1968 | Rose Cup Portland | 13 | Corvette Sting Ray C2 | Dick Losk | Dick Losk | DNA |
| 9.6.1968 | SCCA Regional Cotati [AP+BP+CP+DP+AS] | 16 | Corvette Sting Ray C2 | Bob Rodgers | | DNA |
| 9.6.1968 | SCCA Regional Cotati [AP+BP+CP+DP+AS] | 27 | Corvette Sting Ray C2 | Rich Sloma | | DNA |
| 9.6.1968 | SCCA Regional Cotati [AP+BP+CP+DP+AS] | 33 | Corvette | Jim Wilson | | DNA |
| 9.6.1968 | SCCA Regional Cotati [AP+BP+CP+DP+AS] | 38 | Corvette | John Treder | | DNA |
| 9.6.1968 | SCCA Regional Cotati [AP+BP+CP+DP+AS] | 43 | Corvette | Bob Dye | | DNA |
| 9.6.1968 | SCCA Regional Cotati [AP+BP+CP+DP+AS] | 44 | Corvette | John Coffin | | DNA |
| 9.6.1968 | SCCA Regional Cotati [ASR+BSR+CSR+DSR] | 44 | Corvette | Serguey Kondratieff | | DNA |
| 9.6.1968 | SCCA Regional Cotati [AP+BP+CP+DP+AS] | 46 | Corvette Sting Ray C2 | Bill McKee | | DNA |
| 9.6.1968 | SCCA Regional Cotati [AP+BP+CP+DP+AS] | 47 | Corvette | Jim Jensen | | DNA |
| 9.6.1968 | SCCA Regional Cotati [ASR+BSR+CSR+DSR] | 87 | Corvette Sting Ray C2 | David Rawcliffe | | DNA |
| 9.6.1968 | SCCA Regional Cotati [AP+BP+CP+DP+AS] | 99 | Camaro I | Charles Blake | | DNA |
| 9.6.1968 | ICSCC Portland [BIP+CIP+DIP] | 613 | Corvette Sting Ray C2 | Dick Losk | Dick Losk | DNA |
| 9.6.1968 | ICSCC Portland [SR] | 613 | Corvette Sting Ray C2 | Dick Losk | Dick Losk | DNA |
| 9.6.1968 | ICSCC Portland [BP+CP+DP] | | Corvette Sting Ray C2 | | | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 6 | Corvette | Don Yenko | Don Yenko | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 7 | Corvette | Dave Morgan | Dave Morgan | DNA |
| 15.6.1968 | SCCA Regional Marlboro [AP+BP+CP+DP] | 8 | Corvette | Elfenbein / Dietz | | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 12 | Corvette | W. Marvin Schoenfeld | W. M. Schoenfeld | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 13 | Corvette | Dave Ott | David Ott | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 14 | Corvette | Ron Ambrose | Ron Ambrose | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 21 | Camaro I | Dick Roe | Dick Roe | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 32 | Corvette | Jerry Dunbar | Jerry Dunbar | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 40 | Corvette | Michael Summers | Michael Summers | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 47 | Corvette | Dick Durant | Dick Durant | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 49 | Corvette | Robert Steele | Robert Steele | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 50 | Corvette | Tony DeLorenzo | Tony DeLorenzo | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 51 | Corvette | Jerry Thompson | Tony DeLorenzo | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 57 | Corvette | Tony Denman | A. Denman | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 62 | Corvette Sting Ray C2 | Donald Blatchley | Donald Blatchley | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 63 | Corvette | Ken Beckmann | Ken Beckann | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 67 | Corvette | David Rex | David Rex | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 72 | Corvette | James Borovy | James Borovy | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 77 | Corvette | Bill Morrison | William Morrison | DNA |
| 16.6.1968 | Trans-Am Mid-Ohio | 6 | Camaro I Z28 | Mark Donohue | Penske-Hilton Racing | 1st |
| 16.6.1968 | Marlboro 300 | 8 | Corvette | Elfenbein / Dietz | | DNA |
| 16.6.1968 | Trans-Am Mid-Ohio | 16 | Camaro I | Bob Johnson | | 4th |
| 16.6.1968 | Trans-Am Mid-Ohio | | Camaro I | Jim Corwin | | DNF |
| 16.6.1968 | Trans-Am Mid-Ohio | | Camaro I | Floyd Aaskov | | 8th |
| 16.6.1968 | Trans-Am Mid-Ohio | | Camaro I | Dick Lang | | DNF |
| 16.6.1968 | Trans-Am Mid-Ohio | | Camaro I | Richard Hoffman | | 10th |
| 16.6.1968 | Trans-Am Mid-Ohio | | Camaro I | Wilton Jowett | | 6th |
| 23.6.1968 | Trans-Am Bridgehampton | 6 | Camaro I Z28 | Mark Donohue | Penske-Hilton Racing | 1st |
| 23.6.1968 | Trans-Am Bridgehampton | 16 | Camaro I Z28 | Sam Posey | Penske-Hilton Racing | 3rd |
| 23.6.1968 | Trans-Am Bridgehampton | | Camaro I | Wilton Jowett | | 4th |
| 23.6.1968 | Trans-Am Bridgehampton | | Camaro I | Dean Alles | | DNF |
| 30.6.1968 | SCCA Regional Kent | 17 | Corvette C2 | | | raced |
| 30.6.1968 | SCCA Regional Kent | 18 | Camaro I | | | raced |
| 30.6.1968 | SCCA Regional Kent | 88 | Camaro I | | | raced |
| 4.7.1968 | 6 h Riverside | 92 | Corvette Sting Ray C2 | Hill / Ramsey | ElectaSonic Radio | DNF |