| 13.10.1968 | 2 h Osceola | | TR4 A | Carl Schwenker | | 1st |
| 13.10.1968 | Hohn [TS/GT+1.3] | | GT6 | Peter Radtke | | 3rd |
| 13.10.1968 | SCCA National Phoenix [AP+BP+CP+DP] | | TR250 | Jim Dittemore | Triumph | 2nd |
| 13.10.1968 | 2 h Osceola | | Spitfire | Hal Quast | | ?th |
| 27.10.1968 | Riverside [CP+DP] | 4 | TR4 | Ron Harris | Ron Harris | DNA |
| 27.10.1968 | Riverside [CP+DP] | 8 | TR250 | Jim Dittemore | R. W. Kastner | DNA |
| 27.10.1968 | Riverside [CP+DP] | 9 | TR4 | Nick Austgen | Barbara Austgen | DNA |
| 27.10.1968 | Riverside [CP+DP] | 26 | TR4 | Jeff Kline | Bud Hand Sports Car Service | DNA |
| 27.10.1968 | Riverside [CP+DP] | 37 | TR4 | John Hudgens | John Hudgens | DNA |
| 27.10.1968 | Riverside [CP+DP] | 68 | TR4 A | Paul Gossen | Paul Gossen | DNA |
| 27.10.1968 | Riverside [CP+DP] | 71 | TR4 A | Fritz Warren | Sports Car Center of California | DNA |
| 27.10.1968 | Riverside [CP+DP] | 96 | TR4 | Jim Coss | Reid and Co. | DNA |
| 27.10.1968 | SCCA Regional Virginia [SR+AP+BP+CP+DP+EP+AS+BS] | | TR3 | Bernard Belbrich | | ?th |
| 27.10.1968 | SCCA Regional Virginia [SR+AP+BP+CP+DP+EP+AS+BS] | | TR4 | Fred Hannasch | | ?th |
| 3.11.1968 | Brands Hatch [Sports] | | Spitfire | Bill Sloan | | ?th |
| 23.11.1968 | US Champions Riverside [FP] | 3 | Spitfire Mk III | Lee Mueller | | 10th |
| 23.11.1968 | US Champions Riverside [EP] | 6 | GT6 | Carl Swanson | | DNA |
| 23.11.1968 | US Champions Riverside [EP] | 16 | GT6 | Bob Krokus | | DNF |
| 23.11.1968 | US Champions Riverside [FP] | 44 | Spitfire | Brian Fuerstenau | | 1st |
| 23.11.1968 | US Champions Riverside [FP] | 73 | Spitfire Mk III | Dick Carbajal | | DNF |
| 24.11.1968 | US Champions Riverside [GP] | 4 | Spitfire | Mike Downs | | 2nd |
| 24.11.1968 | US Champions Riverside [DP] | 4 | TR4 A | John Kelly | | 1st |
| 24.11.1968 | US Champions Riverside [CP] | 8 | TR250 | Jim Dittemore | | DNF |
| 24.11.1968 | US Champions Riverside [DP] | 17 | TR4 A | Buzz Marcus | | 3rd |
| 24.11.1968 | US Champions Riverside [DP] | 23 | TR4 A | Bruce Philipp | | 5th |
| 24.11.1968 | US Champions Riverside [DP] | 25 | TR4 A | Larry Bock | | 19th |
| 24.11.1968 | US Champions Riverside [DP] | 26 | TR4 | Dick Kibling | | 16th |
| 24.11.1968 | US Champions Riverside [GP] | 26 | Spitfire | Nils Sanborn | | DNF |
| 24.11.1968 | US Champions Riverside [DP] | 27 | TR4 | Jim Bandy | | 11th |
| 24.11.1968 | US Champions Riverside [DP] | 28 | TR4 | Eldon Howard | | 17th |
| 24.11.1968 | US Champions Riverside [GP] | 29 | Spitfire | Wade Hood | | 16th |
| 24.11.1968 | US Champions Riverside [DP] | 29 | TR4 A | Bob Stewart | | 18th |
| 24.11.1968 | US Champions Riverside [GP] | 33 | Spitfire | Richard Pence | | 9th |
| 24.11.1968 | US Champions Riverside [GP] | 35 | Spitfire | Mel Bogus | | 12th |
| 24.11.1968 | US Champions Riverside [DP] | 36 | TR4 A | Gary Blodgett | | 6th |
| 24.11.1968 | US Champions Riverside [GP] | 37 | Spitfire | Costa Dunias | | 13th |
| 24.11.1968 | US Champions Riverside [GP] | 38 | Spitfire | Roy Hopkins | | 15th |
| 24.11.1968 | US Champions Riverside [GP] | 39 | Spitfire | Ken Braswell | | 17th |
| 24.11.1968 | US Champions Riverside [DP] | 39 | TR4 A | Fritz Warren | | 15th |
| 24.11.1968 | US Champions Riverside [GP] | 41 | Spitfire | Kirby Nutt, III | | DNA |
| 24.11.1968 | US Champions Riverside [GP] | 42 | Spitfire | Jack Scoville | | DNF |
| 24.11.1968 | US Champions Riverside [DP] | 43 | TR4 | Doug Brown | | DNA |
| 24.11.1968 | US Champions Riverside [GP] | 43 | Spitfire | Bill Haener | | 6th |
| 24.11.1968 | US Champions Riverside [CP] | 44 | TR250 | Bob Tullius | | 3rd |
| 24.11.1968 | US Champions Riverside [GP] | 44 | Spitfire | John Toran | | 18th |
| 24.11.1968 | US Champions Riverside [GP] | 45 | Spitfire | Jerry Barker | | 5th |
| 24.11.1968 | US Champions Riverside [GP] | 46 | Spitfire | Don McGaffee | | DNF |
| 24.11.1968 | US Champions Riverside [GP] | 47 | Spitfire | Don Devendorf | | 1st |
| 24.11.1968 | US Champions Riverside [ASR+BSR] | 82 | Spitfire | Robin Eschauzier | | DNF |