| 4/30/2023 | Bumper To Bumper IRA Outlaw Sprint Series | |
| USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks, Outlaw Mini-Mods + IRA Outlaw Sprint Cars | ||
| 5/7/2023 | Season Opener presented by Pritchard Family Auto Stores | |
| USRA Modifieds, USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks, USRA Tuners, Outlaw Mini-Mods | ||
| 5/14/2023 | USRA Tuner Challenge | |
| USRA Modifieds, USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks, USRA Tuners, Outlaw Mini-Mods | ||
| 5/21/2023 | Hoker Trucking SLMR East Series presented by Fertilizer Equipment Specialists | |
| USRA Modifieds, USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks, USRA Tuners, Outlaw Mini-Mods + SLMR Super Late Models | ||
| 6/4/2023 | Joel Showalter Memorial presented by Window World of Mason City | |
| USRA Modifieds, USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks, USRA Tuners, Outlaw Mini-Mods | ||
| 6/7-6/8/2023 | USRA B-Mod Shootout presented by Racindirt.com | |
| USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks, USRA Tuners | ||
| 6/11/2023 | Farmers Night presented by Kruger Seeds by Aaron Benson | |
| USRA Modifieds, USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks, USRA Tuners, Outlaw Mini-Mods | ||
| 6/18/2023 | Jerry Hejna Memorial presented by Rookies Rockin' Sports Bar | |
| USRA Modifieds, USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks, USRA Tuners, Outlaw Mini-Mods | ||
| 6/22/2023 | USRA Summer Shootout | |
| USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks | ||
| 6/27/2023 | World of Outlaws Mason City Showdown presented by GRP | |
| World of Outlaws Late Models + USRA B-Mods, USRA Hobby Stocks | ||
| 7/9/2023 | Super Late Models $1K to win | |
| Super Late Models + USRA Modifieds, USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks, Outlaw Mini-Mods | ||
| 7/16/2023 | Ted Zieman Memorial presented by Pritchard Family Auto Stores | |
| USRA Modifieds, USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks, USRA Tuners, Outlaw Mini-Mods | ||
| 7/20-7/22/2023 | 10th Annual USMTS North Iowa Nationals presented by Christie Door Company/ Express Employment Professionals | |
| 7/29/2023 | Nostalgia Dirt Series | |
| Nostalgia Cars and Flat Track Motorcycles | ||
| 7/30/2023 | Super Late Models $1K to win presented by Pepsi | |
| Super Late Models, USRA Modifieds, USRA B-Mods, USRA Stock Cars, USRA Hobby Stocks, Outlaw Mini-Mods | ||
| 8/16-8/19/2023 | 25th Anniversary USMTS Silver Jubilee presented by Busch Light | |
| 8/27/2023 | Season Championships + Awards Banquet presented by Rookies Rockin' Sports Bar | |
| USRA Modifieds, USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks, USRA Tuners, Outlaw Mini-Mods | ||
| 9/3/2023 | Tri-State Challenge presented by Pritchard Family Auto Stores | |
| USRA Modifieds, USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks, Outlaw Mini-Mods | ||
| 9/17/2023 | Stock Car/Hobby Stock Shootout presented by Federal Fire Equipment | |
| USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks | ||
| 10/13-10/14/2023 | Your Life Iowa Five Star Classic presented by Canadian Pacific | |