History - Series Winners - National Midget
| DATE | LOCATION | TRACK | SERIES | WINNING DRIVER | WINNING TEAM | DISTANCE | |
| 7/14/1973 | Kokomo, IN | Kokomo Speedway | National Midget | Billy Engelhart | Shannon Brothers #2 | 30 L | |
| 7/19/1973 | Englewood, CO | Engelwood Speedway | National Midget | Leo Tucker | Norbert Goldman #5x | 40 L | |
| 7/20/1973 | Denver, CO | Lakeside Speedway | National Midget | Gary Bettenhausen | Howard Linne #96 | 50 L | |
| 7/24/1973 | Provo, UT | Suntana Speedway | National Midget | Mel Kenyon | Stan Lee #66 | 40 L | |
| 7/25/1973 | Meridian, ID | Meridian Speedway | National Midget | Billy Shuman | Richard Polnau #134 | 50 L | |
| 7/29/1973 | Olympia, WA | Olympia-Tenino Speedway | National Midget | Bobby Olivero | L.T. Caruthers #78 | 50 L | |
| 8/3/1973 | Victoria, BC, Canada | Western Speedway | National Midget | Bobby Olivero | L.T. Caruthers #78 | 40 L | |
| 8/4/1973 | Skagit, WA | Skagit Speedway | National Midget | Bobby Olivero | L.T. Caruthers #78 | 50 L | |
| 8/8/1973 | Erie, CO | Colorado National Speedway | National Midget | Larry Rice | Shannon Brothers #2 | 40 L | |
| 8/9/1973 | Wichita, KS | 81 Speedway | National Midget | Bobby Olivero | L.T. Caruthers #78 | 40 L | |
| 8/10/1973 | Hales Corners, WI | Hales Corners Speedway | National Midget | Billy Engelhart | Dave Tyler #59 | 100 L | |
| 8/12/1973 | Sun Prairie, WI | Angell Park Speedway | National Midget | Steve Cannon | Math Schneider #67 | 50 L | |
| 8/17/1973 | Springfield, IL | Springfield Speedway | National Midget | Steve Cannon | Math Schneider #67 | 40 L | |
| 8/31/1973 | Johnson City, TN | Sportsman Speedway | National Midget | Merle Bettenhausen | Gary Bettenhausen #16 | 40 L | |
| 9/1/1973 | Kingsport, TN | Appalachian Speedway | National Midget | Tommy Astone | Doug Caruthers #11 | 40 L | |
| 9/23/1973 | Terre Haute, IN | Terre Haute Action Track | National Midget | Billy Engelhart | Dave Tyler #59 | 100 L | |
| 9/30/1973 | Wichita, KS | 81 Speedway | National Midget | Mike Gregg | Jack Ziegler #27 | 40 L | |
| 9/30/1973 | Kansas City, MO | Olympic Stadium | National Midget | Steve Cannon | Math Schneider #67 | 50 L | |
| 11/18/1973 | Roseville, CA | All-American Speedway | National Midget | Chuck Gurney | Art Shanoian #80 | 50 L | |
| 11/23/1973 | Gardena, CA | Ascot Park | National Midget | Billy Engelhart | Dave Tyler #59 | 100 L |
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