History - Series Winners - National Sprint
| DATE | LOCATION | TRACK | SERIES | WINNING DRIVER | WINNING TEAM | DISTANCE | |
| 11/5/1967 | Altamont, CA | Altamont Raceway Park | National Sprint | Bobby Unser | Leader Card #2 | 30 L | |
| 11/11/1967 | Gardena, CA | Ascot Park | National Sprint | A.J. Foyt | Leader Card #2 | 30 L | |
| 1/14/1968 | Irwindale, CA | Rivergrade Speedway | National Sprint | Billy Vukovich | Doug Caruthers #2x | 30 L | |
| 3/31/1968 | Reading, PA | Reading Fairgrounds Speedway | National Sprint | Larry Dickson | Ray Smith #4 | 30 L | |
| 4/7/1968 | Rossburg, OH | Eldora Speedway | National Sprint | Rollie Beale | Kenny Lay #3 | 30 L | |
| 4/19/1968 | Heidelberg, PA | Heidelberg Raceway | National Sprint | Larry Dickson | Ray Smith #4 | 30 L | |
| 4/20/1968 | Reading, PA | Reading Fairgrounds Speedway | National Sprint | Larry Dickson | Ray Smith #4 | 30 L | |
| 4/28/1968 | New Bremen, OH | New Bremen Speedway | National Sprint | Larry Dickson | Ray Smith #4 | 30 L | |
| 5/5/1968 | Winchester, IN | Winchester Speedway | National Sprint | Larry Dickson | Ray Smith #4 | 30 L | |
| 6/2/1968 | Dayton, OH | Dayton Speedway | National Sprint | Larry Dickson | Ray Smith #4 | 30 L | |
| 6/14/1968 | Cincinnati, OH | Tri-County Speedway | National Sprint | Larry Dickson | Ray Smith #4 | 30 L | |
| 6/16/1968 | Terre Haute, IN | Terre Haute Action Track | National Sprint | Gary Bettenhausen | Willie Davis #24 | 50 L | |
| 6/21/1968 | Heidelberg, PA | Heidelberg Raceway | National Sprint | Gary Bettenhausen | Willie Davis #24 | 30 L | |
| 6/30/1968 | New Bremen, OH | New Bremen Speedway | National Sprint | Sam Sessions | Rufus Gray #83 | 30 L | |
| 6/30/1968 | New Bremen, OH | New Bremen Speedway | National Sprint | Mike Mosley | A.J. Watson #2 | 30 L | |
| 7/4/1968 | Salem, IN | Salem Speedway | National Sprint | Wib Spalding | Jim Green #44 | 30 L | |
| 7/5/1968 | Kansas City, KS | Lakeside Speedway | National Sprint | Carl Williams | Carl Williams #21 | 30 L | |
| 7/7/1968 | Dayton, OH | Dayton Speedway | National Sprint | Bruce Walkup | Ward Dunseth/Paul Leffler #1 | 30 L | |
| 7/15/1968 | Oswego, NY | Oswego Speedway | National Sprint | Mike Mosley | A.J. Watson #2 | 50 L | |
| 7/15/1968 | Oswego, NY | Oswego Speedway | National Sprint | Sam Sessions | Rufus Gray #83 | 50 L |
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