| 4/13/2023 | Test ‘n’ Tune | |
| 4/16/2023 | Season Opener | |
| USRA Modifieds, USRA B-Mods, USRA Stock Cars, USRA Hobby Stocks, USRA Tuners, Outlaw Mini-Mods | ||
| 4/23/2023 | Icebreaker | |
| USRA Modifieds, USRA B-Mods, USRA Stock Cars, USRA Hobby Stocks, USRA Tuners, Outlaw Mini-Mods | ||
| 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 | Dash for Cash 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 | ||
| 6/6-6/8/2023 | USRA B-Mod Shootout | |
| 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 | ||
| 6/25/2023 | Hobby Stock King of the Hill presented by Pritchard Family Auto Stores | |
| USRA Modifieds, USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks, USRA Tuners, Outlaw Mini-Mods | ||
| 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 | ||
| 7/19-7/22/2023 | 10th Annual USMTS North Iowa Nationals | |
| 7/30/2023 | Super Late Models $1K to win presented by Pepsi | |
| Super Late Models, USRA Modifieds, USRA B-Mods, USRA Hobby Stocks, USRA Tuners, Outlaw Mini-Mods | ||
| 8/1-8/2/2023 | Stock Car Shootout presented by Pritchard Family Auto Stores | |
| USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks, USRA Tuners | ||
| 8/6/2023 | Make-A-Wish Night | |
| USRA Modifieds, USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks, USRA Tuners, Outlaw Mini-Mods | ||
| 8/15-8/19/2023 | USMTS 25th Anniversary Silver Jubilee | |
| 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 | |
| USRA Modifieds, USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks, USRA Tuners, 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, USRA Tuners, Outlaw Mini-Mods | ||
| 10/13-10/14/2023 | Five Star Classic + Hoker Trucking SLMR East Series Championship | |
| Late Models, Modifieds, Stock Cars, B-Mods, Hobby Stocks, Outlaw Mini Mods | ||