| Dinosaur: | 1. Beno Rodi (RE), 2. Harry Norman (Matchless), 3. David Barr (AJS), 4. Jack Joyner (Matchless) |
| Classic 250: | 1. Eddie Tumlin (Ossa), 2. (DNS) Charles Goman (Ossa) |
| Classic 500/750: | 1. Scott Fluck (Tri), 2. Beno Rodi (BSA), 3. Bob Hovden (BSA), 4. David Barr (Tri), 5. (DNF) Charles Goman |
| Sportsman 250: | 1. Larry Davis (Bul), 2. James Moncus (Yam) |
| Sportsman 600: | 1. David Aldana (BSA), 2. Frank McLane (Hon), 3.
Scott Fluck (Tri), 4. Harry Norman (BSA), 5. Andy Blackburn (Bul), 6. (DNF) Peter Borg (BSA) |
| Sportsman 750: | 1. Darrell Bryant (Yam), 2. Keith Bryant (Yam), 3 (DNF) Eddie Tumlin (Tri) |
| '70s Singles: | 1. Jason Griffin (Hon), 2. Larry Davis (Yam), 3.
John Parker (Yam), 4. Russell Schroeder (Yam), 5. Steven Maxon (Yam), 6. Bill Cobb (Hon) |
| '70s Two-Stroke: | 1. James Moncus (Hon) |
| Senior: | 1. David Aldana (BSA), 2. Melvin Brown (Tri), 3.
Andy Blackburn (Bul), 4. Beno Rodi (Norton), 5. Claude Hartley (Yam) |
| Super Senior: | 1. William Collins (Hon), 2. Melvin Brown (Tri), 3. John Parker (Hon), 4. Charles Pickren (Hon) |
| '70s Twins | no entries |
| Modern Open: (Support) |
1. 1. Frank McLane (Rotax), 2. Jason Griffin
(Rotax), 3. Eddie Tumlin, Jr. (Hon), 4. Ken Davis (Rotax), 5. Russell Schroeder (Hon), 6. Steven Maxon (Yam) |
| Youth: (Support) |
1. Kaiti McLane (Hon) |

