| 4.2.1968 | 24 h Daytona | 67 | | Kleinpeter / Mummery / Hollander | Port of Entry Motors | DNF |
| 25.2.1968 | SCCA Regional Las Vegas [AP+BP+CP+AS] | 12 | | Frank Blachly | Raceway Machine Works | DNA |
| 25.2.1968 | SCCA Regional Las Vegas [AP+BP+CP+AS] | 39 | | Kent Bagnall | W. Kent Bagnall | DNA |
| 25.2.1968 | SCCA Regional Las Vegas [AP+BP+CP+AS] | 45 | | Dick Rice | Challenge Racing Team | DNA |
| 9.3.1968 | SCCA Regional Willow Springs [AP+BP+CP+AS] | 27 | | Nels Miller | Nels Miller | DNA |
| 9.3.1968 | SCCA Regional Willow Springs [AP+BP+CP+AS] | 45 | | Dick Rice | Challenge Racing Team | DNA |
| 9.3.1968 | SCCA Regional Willow Springs [AP+BP+CP+AS] | | | Ron Dyke | | 3rd |
| 10.3.1968 | SCCA National Willow Springs [AP+BP+CP+AS] | 27 | | Nels Miller | Nels Miller | DNA |
| 10.3.1968 | SCCA National Willow Springs [AP+BP+CP+AS] | 45 | | Dick Rice | Challenge Racing Team | DNA |
| 23.3.1968 | 12 h Sebring | 27 | | Kleinpeter / Hollander / Mummery | Port of Entry Motors | NC |
| 7.4.1968 | DARM Hockenheim | | | Klaus Fritzinger | | 2nd |
| 28.4.1968 | SCCA Regional Riverside [BP+CP+BS] | 10 | | Ray Caruthers | | DNA |
| 28.4.1968 | SCCA Regional Riverside [BP+CP+BS] | 12 | | Dan Ely | | DNA |
| 28.4.1968 | SCCA Regional Riverside [BP+CP+BS] | 45 | | Dick Rice | | DNA |
| 28.4.1968 | DARM Norisring [GT+1.3] | 190 | | Klaus Fritzinger | | ?th |
| 28.4.1968 | DARM Norisring [GT+1.3] | 191 | | Ray Gregg | | DNF |
| 28.4.1968 | DARM Norisring [GT+1.3] | 192 | | Robert B. Fränklin | | DNF |
| 12.5.1968 | Dunes Trophy Zandvoort | 43 | | Gerard van Lennep | Van Racing Team | DNA |
| 12.5.1968 | SCCA National Cumberland [AP+BP] | 58 | | Ray Menapace | Raymond Menapace | DNF |
| 12.5.1968 | SCCA National Cumberland [AP+BP] | 90 | #SFM5R532 | Jim Sypherd | | 7th |
| 19.5.1968 | SCCA Regional Meadowdale [ASR+BSR+AP+BP+AS] | 60 | | Charles Ramsdell | | 3rd |
| 26.5.1968 | SCCA Regional Blackhawk Farms | | #SFM5R536 | David Pabst | | DNF |
| 2.6.1968 | SCCA National Willow Springs [AP+BP+AS] | 15 | | Dan Ely | Group 5 Racing Team | raced |
| 2.6.1968 | SCCA National Willow Springs [AP+BP+AS] | 17 | | Bud Whitfield | Bud Whitfield | raced |
| 2.6.1968 | SCCA National Willow Springs [AP+BP+AS] | 45 | | Dick Rice | Challenge Racing Team | raced |
| 2.6.1968 | SCCA National Willow Springs [AP+BP+AS] | 70 | | Ray Caruthers | Caruthers Racing | DNA |
| 9.6.1968 | Rose Cup Portland | 180 | | Tommy Hamilton | Tommy Hamilton | DNA |
| 9.6.1968 | ICSCC Portland [BIP+CIP+DIP] | 180 | | Tommy Hamilton | Tommy Hamilton | DNA |
| 9.6.1968 | ICSCC Portland [SR] | 180 | | Tommy Hamilton | Tommy Hamilton | DNA |
| 9.6.1968 | ICSCC Portland [BIP+CIP+DIP] | 282 | | Terry Sweet | | DNA |
| 9.6.1968 | ICSCC Portland [BP+CP+DP] | 282 | | Terry Sweet | | DNA |
| 9.6.1968 | SCCA Huntsville | | | Randy Blessing | | 3rd |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 55 | | Dick Jordan | Richard Jordan | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 58 | | John Langenfeld | John Langenfeld | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 74 | | Robert Acton | Robert Acton | DNA |
| 15.6.1968 | SCCA Regional Marlboro [AP+BP+CP+DP] | 88 | #SFM5R108 | Finkel / Norris | | DNA |
| 15.6.1968 | SCCA National Road America [AP+BP+CP+DP+AS] | 96 | | John Mahler | John Mahler | DNA |
| 16.6.1968 | Marlboro 300 | 88 | #SFM5R108 | Finkel / Norris | | DNA |
| 30.6.1968 | SCCA Regional Kent | - | | | | raced |
| 4.7.1968 | 6 h Riverside | 7 | | Miller / Peck | Jim Young | DNA |
| 4.7.1968 | 6 h Riverside | 16 | | Whitfield / Fullmer | Bud Whitfield | DNA |
| 6.7.1968 | SCCA Regional Cotati [ASR+BSR+AP+BP+CP+DP+AS+BS] | 41 | | Gary Schoep | Gary Schoep | DNA |
| 7.7.1968 | SCCA National Riverside [AP+BP+AS] | 39 | | Kent Bagnall | Kent Bagnall | DNA |
| 7.7.1968 | Hockenheim [GT] | | | Klaus Fritzinger | | 2nd |
| 13.7.1968 | SCCA Southport [ASR+BSR+AP+BP+AS] | | | Ramsdell | | ?th |
| 13.7.1968 | SCCA Southport [ASR+BSR+AP+BP+AS] | | | Olson | | ?th |
| 14.7.1968 | 6 h Watkins Glen | 99 | #SFM5R108 | Finkel / Sutter | Pegasus Racing Team | DNF |
| 21.7.1968 | Solituderennen Hockenheim [GT+TS] | 86 | | Martin Räth | Walter Buhl | ?th |
| 27.7.1968 | SCCA Regional Lake Garnett [ASR+BSR+AP+BP+CP+AS+BS] | 15 | | Dan Ely | | DNA |
| 27.7.1968 | SCCA Regional Lake Garnett [ASR+BSR+AP+BP+CP+AS+BS] | 41 | #SFM5R210 | Brad Brooker | | DNA |
| 27.7.1968 | SCCA Regional Lake Garnett [ASR+BSR+AP+BP+CP+AS+BS] | 77 | #SFM5R104 | Mack Yates | | DNA |
| 27.7.1968 | SCCA Regional Lake Garnett [ASR+BSR+AP+BP+CP+AS+BS] | 89 | | John Mahler | | DNA |
| 27.7.1968 | DAC Mosport [PS] | 100 | | Stan Ward | | 1st |
| 27.7.1968 | DAC Mosport [Modified] | 100 | | Stan Ward | | 1st |
| 28.7.1968 | SCCA National Lake Garnett [ASR+BSR+AP+BP+AS] | 15 | | Dan Ely | | DNA |
| 28.7.1968 | SCCA National Lake Garnett [ASR+BSR+AP+BP+AS] | 41 | #SFM5R210 | Brad Brooker | | DNA |
| 28.7.1968 | SCCA National Lake Garnett [ASR+BSR+AP+BP+AS] | 77 | #SFM5R104 | Mack Yates | | DNA |
| 28.7.1968 | SCCA National Lake Garnett [ASR+BSR+AP+BP+AS] | 89 | | John Mahler | | DNA |
| 3.8.1968 | SCCA Regional Daytona [ASR+BSR+AP+BP+CP+DP] | 2 | | Don Cummings | | DNS |
| 3.8.1968 | SCCA Regional Daytona [ASR+BSR+AP+BP+CP+DP] | 14 | | William Michaud | | DNF |
| 3.8.1968 | SCCA Regional Daytona [ASR+BSR+AP+BP+CP+DP] | 23 | | Bruce Lancaster | | 23rd |
| 3.8.1968 | SCCA Regional Daytona [ASR+BSR+AP+BP+CP+DP] | 27 | | Gene Thomas | | DNS |
| 3.8.1968 | SCCA Regional Daytona [ASR+BSR+AP+BP+CP+DP] | 68 | #SFM5R538 | Charlie Kemp | | 1st |
| 3.8.1968 | SCCA Regional Daytona [ASR+BSR+AP+BP+CP+DP] | 126 | #SFM6S2192 | Claibourne Darden | | DNS |
| 4.8.1968 | Paul Whiteman Trophy Daytona | 2 | | Don Cummings | | DNA |
| 4.8.1968 | SCCA National Daytona [ASR+BSR+CSR+AP+BP+CP+DP+EP+AS+BS] | 2 | | Don Cummings | | DNA |
| 4.8.1968 | SCCA National Daytona [ASR+BSR+CSR+AP+BP+CP+DP+EP+AS+BS] | 14 | | William Michaud | | DNA |
| 4.8.1968 | Paul Whiteman Trophy Daytona | 14 | | William Michaud | | 24th |
| 4.8.1968 | Paul Whiteman Trophy Daytona | 23 | | Bruce Lancaster | | 12th |
| 4.8.1968 | SCCA National Daytona [ASR+BSR+CSR+AP+BP+CP+DP+EP+AS+BS] | 27 | | Gene Thomas | | DNA |
| 4.8.1968 | SCCA National Riverside [AP+BP+AS] | 27 | | Nels Miller | Wm Johnson | raced |
| 4.8.1968 | Paul Whiteman Trophy Daytona | 27 | | Gene Thomas | | DNA |
| 4.8.1968 | SCCA National Riverside [AP+BP+AS] | 39 | | Kent Bagnall | Kent Bagnall | raced |
| 4.8.1968 | SCCA National Riverside [AP+BP+AS] | 45 | | Dick Rice | Challenge Racing Team | raced |
| 4.8.1968 | SCCA National Daytona [ASR+BSR+CSR+AP+BP+CP+DP+EP+AS+BS] | 68 | #SFM5R538 | Charlie Kemp | | 1st |
| 10.8.1968 | SCCA Regional Cotati [ASR+BSR+AP+BP+CP+AS] | 15 | | Art Flores | Frieda Racing Organization | DNA |
| 10.8.1968 | SCCA Regional Cotati [ASR+BSR+AP+BP+CP+AS] | 17 | | Richard Gamboni | Richard Gamboni | DNA |
| 10.8.1968 | SCCA Regional Cotati [ASR+BSR+AP+BP+CP+AS] | 41 | | Gary Schoep | Gary Schoep | DNA |
| 25.8.1968 | GP Jyllandsringen | 15 | | Heinz Dietmar Riedingen | Hediri Racing Team | DNA |
| 25.8.1968 | Mainz-Finthen | | | Günther Ohler | | ?th |
| 1.9.1968 | SCCA Regional Santa Barbara [AP+BP+AS] | 12 | | Frank Blachly | Raceway Machine Works | DNA |
| 1.9.1968 | SCCA Regional Santa Barbara [AP+BP+AS] | 45 | | Dick Rice | Dick Rice | DNA |
| 1.9.1968 | SCCA Regional Santa Barbara [AP+BP+AS] | 88 | | Jim Cranford | Jim Cranford | 13th |
| 15.9.1968 | DARM Hockenheim [GT] | | | Günther Ohler | | 18th |
| 15.9.1968 | DARM Hockenheim [GT] | | | Klaus Fritzinger | | DNF |
| 15.9.1968 | DARM Hockenheim [GT] | | | Martin Räth | | 6th |
| 15.9.1968 | DARM Hockenheim [GT] | | | Willi Forkel | | 16th |
| 29.9.1968 | SCCA National Virginia [ASR+BSR+AP+BP+AS] | 8 | #SFM5R538 | Charlie Kemp | | raced |
| 29.9.1968 | SCCA National Virginia [ASR+BSR+AP+BP+AS] | 12 | | Don Cummings | | ?th |
| 29.9.1968 | SCCA National Virginia [ASR+BSR+AP+BP+AS] | 26 | #SFM6S2192 | Claibourne Darden | | raced |
| 5.10.1968 | SCCA Regional War Bonnet | | #SFM5R210 | Brad Brooker | | 3rd |
| 13.10.1968 | Hohn [TS/GT+1.3] | 555 | | Martin Räth | Walter Buhl | DNF |
| 13.10.1968 | SCCA National Phoenix [AP+BP+CP+DP] | | | Kent Bagnall | | ?th |
| 13.10.1968 | SCCA National Phoenix [AP+BP+CP+DP] | | #SFM5R210 | Brad Brooker | | ?th |
| 27.10.1968 | Riverside [ASR+AP+BP+AS] | 15 | | Dan Ely | Norms Shell | DNA |
| 27.10.1968 | Riverside [ASR+AP+BP+AS] | 27 | | Nels Miller | William Johnson | DNA |
| 27.10.1968 | SCCA Regional Odessa [ASR+BP+BS] | | | Russell Fish | | DNF |
| 27.10.1968 | Preliminary Odessa [ASR+BP+BS] | | | Russell Fish | | 2nd |
| 24.11.1968 | US Champions Riverside [AP+BP] | 18 | #SFM5R532 | Jim Sypherd | | DNA |