| 5.5.1968 | SCCA National Newport | 2 | TR4 | D. Entwistle | | DNA |
| 5.5.1968 | SCCA National Newport | 77 | TR4 A | Fritz Warren | | DNA |
| 5.5.1968 | SCCA National Newport | 88 | TR4 A | Jim DeBuhr | | DNA |
| 12.5.1968 | SCCA National Cumberland [CP+DP] | 1 | TR4 A | Angel Gonzales | Angel Gonzales | 12th |
| 12.5.1968 | SCCA National Cumberland [CP+DP] | 4 | TR4 A | John Kelly | Group 44, Inc. | 5th |
| 12.5.1968 | SCCA National Cumberland [CP+DP] | 10 | TR4 | Jim Taylor | Manor Racing | 10th |
| 12.5.1968 | SCCA National Cumberland [CP+DP] | 12 | TR4 A | Keith Kendig | Keith Kendig | 11th |
| 12.5.1968 | SCCA National Cumberland [CP+DP] | 17 | TR4 A | Vic Matthews | | DNF |
| 12.5.1968 | SCCA National Cumberland [CP+DP] | 18 | TR4 | Eric Christensen | Eric Christensen | 8th |
| 12.5.1968 | SCCA National Cumberland [CP+DP] | 39 | TR4 | Fred Hannasch | Fred Hannasch | DNF |
| 12.5.1968 | SCCA National Cumberland [CP+DP] | 44 | TR250 | Bob Tullius | Group 44, Inc. | 1st |
| 12.5.1968 | SCCA National Cumberland [CP+DP] | 46 | TR4 | Richard Staples | W. D. Downer | 4th |
| 12.5.1968 | NSCC Silverstone [Special Sports] | 47 | TR3 | Reg Woodcock | R. H. Woodcock | raced |
| 12.5.1968 | SCCA National Cumberland [CP+DP] | 73 | TR4 A | Chip Whittier | Charles Whittier, Jr. | DNF |
| 12.5.1968 | SCCA National Cumberland [CP+DP] | 75 | TR4 A | Buzz Marcus | Buzz Marcus | 7th |
| 12.5.1968 | SCCA National Cumberland [CP+DP] | 76 | TR4 A | Dick Stockton | George Siomko | DNA |
| 12.5.1968 | BARC Mallory Park [Special GT] | 77 | Spitfire | Peter Cox | Peter Cox | 4th |
| 12.5.1968 | BARC Mallory Park [Special GT] | 78 | Spitfire | Bill Sparkes | Bill Sparkes | 10th |
| 12.5.1968 | SCCA National Cumberland [CP+DP] | 78 | TR4 | Martin Savol | M. A. Janocko | 14th |
| 19.5.1968 | SCCA Regional Meadowdale [CSR+DSR+EP] | | TR3 | Stan Laughlin | | 6th |
| 19.5.1968 | SCCA Regional Meadowdale [CSR+DSR+EP] | | TR3 | John Fayant | | 11th |
| 25.5.1968 | BRSCC Castle Combe [Special Sports] | 77 | TR4 | Ray Harris | R. Harris | DNA |
| 25.5.1968 | BRSCC Castle Combe [Special Sports] | 82 | Spitfire | Burke / Blackmore | J. N. Burke | DNA |
| 2.6.1968 | SCCA National Willow Springs [CP+DP] | 1 | TR4 | Kurt Shafer | Kurt Shafer | raced |
| 2.6.1968 | SCCA National Willow Springs [CP+DP] | 8 | TR250 | Jim Dittemore | R. W. Kastner | DNS |
| 2.6.1968 | SCCA National Willow Springs [CP+DP] | 9 | TR4 | Nick Austgen | Nicholas Augsten | raced |
| 2.6.1968 | SCCA National Willow Springs [CP+DP] | 26 | TR4 | Jeff Kline | Bud Hand-Loren Enochson | raced |
| 2.6.1968 | SCCA National Willow Springs [CP+DP] | 37 | TR4 | John Hudgens | Jack Hudgens | raced |
| 2.6.1968 | SCCA National Willow Springs [CP+DP] | 48 | TR4 | Ron Harris | Ron Harris | raced |
| 2.6.1968 | SCCA National Willow Springs [CP+DP] | 69 | TR4 | Bernard De Salem | Bernard De Salem | raced |
| 2.6.1968 | SCCA National Willow Springs [CP+DP] | 71 | TR4 A | Fritz Warren | Sports Car Center | raced |
| 2.6.1968 | SCCA National Willow Springs [CP+DP] | 74 | TR4 | Charles Burns | B & B Racing | raced |
| 2.6.1968 | SCCA National Willow Springs [CP+DP] | 86 | TR4 | Doug Brown | | raced |
| 2.6.1968 | SCCA National Willow Springs [CP+DP] | 96 | TR4 | Jim Coss | James Coss | raced |
| 2.6.1968 | Brands Hatch [PS+2.0] | 151 | TR4 | G. W. Bolt | G. W. Bolt | DNA |
| 2.6.1968 | Brands Hatch [PS2.0] | 180 | Spitfire | Richard Lloyd | Richard Lloyd | raced |
| 8.6.1968 | Harewood Acres [Main] | | GT6 | Craig Hill | | 4th |
| 8.6.1968 | Harewood Acres [Novice] | | Spitfire | Barry Freese | | 2nd |
| 9.6.1968 | ICSCC Portland [BIP+CIP+DIP] | 29 | TR4 | Bob Maloney | | DNA |
| 9.6.1968 | ICSCC Portland [BIP+CIP+DIP] | 67 | TR4 | Ernie Mills | | DNA |
| 9.6.1968 | ICSCC Portland [BP+CP+DP] | 75 | TR4 | Chris Curtin | | DNA |
| 9.6.1968 | ICSCC Portland [SR] | 75 | TR4 | Chris Curtin | | DNA |
| 9.6.1968 | SCCA Regional Cotati [AP+BP+CP+DP+AS] | 77 | TR4 A | Tim Repass | | DNA |
| 9.6.1968 | SCCA Regional Cotati [AP+BP+CP+DP+AS] | 84 | TR4 | Neil Lynch | | DNA |
| 9.6.1968 | SCCA Regional Cotati [AP+BP+CP+DP+AS] | 89 | TR4 | Bob McGrew | | DNA |
| 9.6.1968 | ICSCC Portland [SR] | 104 | TR3 | Mac Russell | | DNA |
| 9.6.1968 | ICSCC Portland [BP+CP+DP] | 385 | TR4 | Robert Thrower | | DNA |
| 9.6.1968 | ICSCC Portland [BIP+CIP+DIP] | 639 | TR4 | Dan Entwhistle | | DNA |
| 9.6.1968 | ICSCC Portland [BIP+CIP+DIP] | 641 | TR4 | Joe Thomas | | DNA |
| 9.6.1968 | ICSCC Portland [BIP+CIP+DIP] | 684 | TR4 A | Jim DeBuhr | | DNA |
| 9.6.1968 | ICSCC Portland [BP+CP+DP] | | TR4 | David Crouch | | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 3 | TR4 | John Jordan | John Jordan | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 4 | TR4 | John Kelly | John Kelly | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 15 | TR4 | Larry Bock | Larry Bock | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 19 | TR4 | Eldon Howard | Elbon Howard | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 33 | TR4 | F. P. Rafferti | F. P. Rafferti | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 37 | TR4 | Frank Opalka | Allison Hartman | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 41 | TR4 | James Halverson | James Halverson | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 44 | TR250 | Bob Tullius | Bob Tullius | DNA |
| 15.6.1968 | SCCA Regional Marlboro [AP+BP+CP+DP] | 46 | TR4 A | Bob Hennig | | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 65 | TR4 | Bruce Philipp | Bruce Philipp | DNA |
| 15.6.1968 | SCCA Regional Marlboro [AP+BP+CP+DP] | 73 | TR4 A | Chip Whittier | | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 76 | TR4 | Bill Partridge | William Partridge | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 93 | TR4 | David Frellsen | David Frellsen | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 98 | TR4 | Jim Bandy | Jim Bandy | DNA |
| 16.6.1968 | Marlboro 300 | 1 | Spitfire | Haupt / Hadsell | | DNA |
| 16.6.1968 | Marlboro 300 | 41 | Spitfire | Jorgensen / Blanco / Hughes | | DNA |
| 16.6.1968 | Marlboro 300 | 67 | TR3 | Batchin / Kalajeich | | DNA |
| 16.6.1968 | Marlboro 300 | 81 | Spitfire | Michael Rodevick | | DNA |
| 16.6.1968 | Marlboro 300 | 99 | Spitfire | Cook / Bauer | | DNA |
| 23.6.1968 | DARM Mainz-Finthen [GT1.6] | | Spitfire | E. Ladlee | | DNF |
| 4.7.1968 | 6 h Riverside | 68 | TR4 | De Salem / Harper | Team Chicken | DNA |
| 4.7.1968 | 6 h Riverside | 71 | Spitfire | Smith / Neilllour | Walter Pritcher | DNA |
| 4.7.1968 | 6 h Riverside | 96 | TR4 | Coss / Benard | James Coss | DNA |
| 6.7.1968 | SCCA Regional Cotati [ASR+BSR+AP+BP+CP+DP+AS+BS] | 89 | TR4 | Bob McGrew | | 6th |
| 7.7.1968 | SCCA National Cotati [CP+DP+EP] | 39 | TR4 | Gary Blodgett | Gary Blodgett | DNA |
| 7.7.1968 | SCCA National Cotati [CP+DP+EP] | 41 | TR4 | Joe Thomas | Joe Thomas | DNA |
| 7.7.1968 | SCCA National Cotati [CP+DP+EP] | 44 | TR3 | Graham Cooper | Graham Cooper | DNA |
| 7.7.1968 | SCCA National Cotati [CP+DP+EP] | 48 | TR4 | Doyle Poole | Doyle Poole | DNA |
| 7.7.1968 | SCCA National Riverside [CP+DP] | 48 | TR4 | Ron Harris | Ron Harris | DNA |
| 7.7.1968 | SCCA National Riverside [CP+DP] | 77 | TR4 | Charles Burns | B & B Racing | DNA |
| 7.7.1968 | SCCA National Cotati [CP+DP+EP] | 88 | TR250 | Jim Dittemore | R. W. Kastner | DNA |
| 14.7.1968 | 6 h Watkins Glen | 86 | GT6 | Hill / Brack | Sports Cars Unlimited, W. Clarkson | DNF |
| 27.7.1968 | SCCA Regional Lake Garnett [ASR+BSR+AP+BP+CP+AS+BS] | 8 | TR250 | Jim Dittemore | | DNA |
| 27.7.1968 | Preliminary Mosport [Novice] | 301 | Spitfire | Barry Freese | | 2nd |
| 28.7.1968 | SCCA National Lake Garnett [CP+DP+EP+BS+CSR] | 6 | GT6 | Carl Swanson | | DNA |
| 28.7.1968 | SCCA National Lake Garnett [CP+DP+EP+BS+CSR] | 8 | TR250 | Jim Dittemore | | DNA |
| 28.7.1968 | SCCA National Lake Garnett [CP+DP+EP+BS+CSR] | 9 | TR4 | Bud Howard | | DNA |
| 28.7.1968 | NSCC Mallory Park [Special Sports] | 32 | Spitfire | Anthony Ward | Reg Twynham | raced |
| 28.7.1968 | SCCA National Lake Garnett [CP+DP+EP+BS+CSR] | 37 | TR4 | Gene Strautman | | DNA |
| 28.7.1968 | SCCA National Lake Garnett [CP+DP+EP+BS+CSR] | 39 | TR4 | Jim Bandy | | DNA |
| 28.7.1968 | Preliminary Edmonton [ASR+BSR+CSR+FL+AP+BP+CP+DP+EP] | 44 | TR4 | John Brygadyr | WSCC | 15th |
| 28.7.1968 | SCCA National Lake Garnett [CP+DP+EP+BS+CSR] | 50 | TR3 | Stan Laughlin | | DNA |
| 28.7.1968 | SCCA National Lake Garnett [CP+DP+EP+BS+CSR] | 60 | TR4 | Ron Oliver | | DNA |
| 28.7.1968 | SCCA National Lake Garnett [CP+DP+EP+BS+CSR] | 65 | TR4 A | Bruce Philipp | | DNA |
| 28.7.1968 | SCCA National Lake Garnett [CP+DP+EP+BS+CSR] | 72 | TR3 | Bill Boemler | | DNA |
| 28.7.1968 | SCCA National Lake Garnett [CP+DP+EP+BS+CSR] | 81 | TR4 | Bob Christiansen | | DNA |
| 28.7.1968 | Preliminary Edmonton [ASR+BSR+CSR+FL+AP+BP+CP+DP+EP] | 89 | GT6 | K. Owens | SSCC | 24th |
| 28.7.1968 | Preliminary Edmonton [ASR+BSR+CSR+FL+AP+BP+CP+DP+EP] | 261 | TR4 A | D. Pandur | SCT | 9th |
| 28.7.1968 | Preliminary Edmonton [ASR+BSR+CSR+FL+AP+BP+CP+DP+EP] | 411 | TR3 | Paul Johnson | WSCC | 22nd |