History - Series Winners - National Sprint
| DATE | LOCATION | TRACK | SERIES | WINNING DRIVER | WINNING TEAM | DISTANCE | |
| 7/14/1973 | Toledo, OH | Toledo Speedway | National Sprint | Tom Sneva | Carl Gehlhausen #4 | 40 L | |
| 7/22/1973 | New Bremen, OH | New Bremen Speedway | National Sprint | Tom Sneva | Carl Gehlhausen #4 | 40 L | |
| 7/27/1973 | Heidelberg, PA | Heidelberg Raceway | National Sprint | Rollie Beale | Ron Kilman #2 | 40 L | |
| 7/29/1973 | Winchester, IN | Winchester Speedway | National Sprint | Lee Kunzman | R-B Racing #3 | 30 L | |
| 7/29/1973 | Winchester, IN | Winchester Speedway | National Sprint | Sam Sessions | Mauri Amerling #1 | 30 L | |
| 8/5/1973 | Terre Haute, IN | Terre Haute Action Track | National Sprint | Sam Sessions | Mauri Amerling #1 | 40 L | |
| 8/11/1973 | Rossburg, OH | Eldora Speedway | National Sprint | Lee Kunzman | R-B Racing #3 | 40 L | |
| 8/12/1973 | New Bremen, OH | New Bremen Speedway | National Sprint | Lee Kunzman | R-B Racing #3 | 40 L | |
| 8/18/1973 | Toledo, OH | Toledo Speedway | National Sprint | Lee Kunzman | R-B Racing #3 | 40 L | |
| 8/26/1973 | St. Paul, MN | Minnesota State Fair Speedway | National Sprint | Jerry Hansen | Jerry Hansen #46 | 50 L | |
| 8/27/1973 | St. Paul, MN | Minnesota State Fair Speedway | National Sprint | Tom Sneva | Carl Gehlhausen #4 | 50 L | |
| 8/27/1973 | St. Paul, MN | Minnesota State Fair Speedway | National Sprint | Tom Bigelow | Walter Knepper #55 | 50 L | |
| 9/16/1973 | Rossburg, OH | Eldora Speedway | National Sprint | Pancho Carter | Steve Stapp #77 | 40 L | |
| 9/21/1973 | Reading, PA | Reading Fairgrounds Speedway | National Sprint | Kenny Weld | Bob Weikert #94 | 40 L | |
| 9/22/1973 | Mechanicsburg, PA | Williams Grove Speedway | National Sprint | Jan Opperman | Luke Bogar #90 | 40 L | |
| 9/29/1973 | Cincinnati, OH | Tri-County Speedway | National Sprint | Tom Sneva | Carl Gehlhausen #4 | 40 L | |
| 9/30/1973 | Salem, IN | Salem Speedway | National Sprint | Tom Bigelow | Walter Knepper #55 | 40 L | |
| 10/7/1973 | New Bremen, OH | New Bremen Speedway | National Sprint | Tom Sneva | Carl Gehlhausen #4 | 40 L | |
| 10/14/1973 | Winchester, IN | Winchester Speedway | National Sprint | Pancho Carter | Steve Stapp #77 | 50 L | |
| 10/14/1973 | Winchester, IN | Winchester Speedway | National Sprint | Pancho Carter | Steve Stapp #77 | 50 L |
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