| | Heat | Dash | B Feature | A Feature |
|---|
|
|---|
| 5/7/2023 | Mason City Motor Speedway - Mason City, IA Season Opener presented by Pritchard Family Auto Stores A Modifieds, 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carter Koop (USRA Hobby Stocks) | 2nd | - | - | 3rd |
|
| 5/21/2023 | Mason City Motor Speedway - Mason City, IA Mason City Motor Speedway - EAST Dirt Super Late Models: SLMR Late Model Series 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carter Koop (USRA Hobby Stocks) | 2nd | - | - | 5th |
|
| 6/4/2023 | Mason City Motor Speedway - Mason City, IA Joel Showalter Memorial Presented by Window World 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carter Koop (USRA Hobby Stocks) | 3rd | - | - | 1st |
|
| 6/7/2023 | Mason City Motor Speedway - Mason City, IA B-Mod Shootout USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Carter Koop (USRA Hobby Stocks) | 2nd | - | - | 2nd |
|
| 6/8/2023 | Mason City Motor Speedway - Mason City, IA B-Mod Shootout USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carter Koop (USRA Hobby Stocks) | 1st | - | - | 4th |
|
| 6/11/2023 | Mason City Motor Speedway - Mason City, IA Farmers Night Presented by Kruger Seeds By Aaron Benson 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carter Koop (USRA Hobby Stocks) | 3rd | - | - | 3rd |
|
| 6/18/2023 | Mason City Motor Speedway - Mason City, IA Jerry Hejna Memorial Presented by Rookies Rockin Sports Bar A Modifieds, 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carter Koop (USRA Hobby Stocks) | DNS | - | - | 3rd |
|
| 6/22/2023 | Mason City Motor Speedway - Mason City, IA USRA Summer Shootout USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Carter Koop (USRA Hobby Stocks) | 5th | - | - | 9th |
|
| 6/27/2023 | Mason City Motor Speedway - Mason City, IA World of Outlaws Late Models Dirt Super Late Models: World of Outlaws - Late Models USRA B-Mods, USRA Hobby Stocks, 604 Crate Late Models | Results | | Carter Koop (USRA Hobby Stocks) | 5th | - | - | 1st |
|
| 7/1/2023 | Deer Creek Speedway - Spring Valley, MN Medieval Chassis - Fireworks Night - Thunder Summer Series - Weekly Racing A Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, WISSOTA Midwest Mods | Results | | Carter Koop (USRA Hobby Stocks) | 2nd | - | - | 14th |
|
| 7/9/2023 | Mason City Motor Speedway - Mason City, IA Late Models Pro Late Model: Pro Late Model Victory Ford Tour Dirt Late Models, 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars | Results | | Carter Koop (USRA Hobby Stocks) | 1st | - | - | 7th |
|
| 7/16/2023 | Mason City Motor Speedway - Mason City, IA Ted Zieman Memorial A Modifieds, 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carter Koop (USRA Hobby Stocks) | 3rd | - | - | 5th |
|
| 7/20/2023 | Mason City Motor Speedway - Mason City, IA 10th Annual North Iowa Nationals (Day 1 of 3) A Modifieds: USMTS - United States Modified Touring Series USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, IMCA Modified | Results | | Carter Koop (USRA Hobby Stocks) | 1st | - | - | 2nd |
|
| 7/30/2023 | Mason City Motor Speedway - Mason City, IA Late Models Pro Late Model: Pro Late Model Victory Ford Tour 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars | Results | | Carter Koop (USRA Hobby Stocks) | 3rd | - | - | 4th |
|
| 8/18/2023 | Mason City Motor Speedway - Mason City, IA 25th Anniversary USMTS Silver Jubilee (Day 3 of 4) A Modifieds: USMTS - United States Modified Touring Series 600cc Modifieds, USRA Hobby Stocks, IMCA Modified | Results | | Carter Koop (USRA Hobby Stocks) | 4th | - | - | 1st |
|
| 8/19/2023 | Mason City Motor Speedway - Mason City, IA 25th Anniversary Silver Jubilee (Day 4 of 4) A Modifieds: USMTS - United States Modified Touring Series USRA Hobby Stocks, IMCA Modified | Results | | Carter Koop (USRA Hobby Stocks) | 2nd | - | - | 5th |
|
| 8/27/2023 | Mason City Motor Speedway - Mason City, IA Season Championships/Banquet 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carter Koop (USRA Hobby Stocks) | 4th | - | - | 3rd |
|
| 9/3/2023 | Mason City Motor Speedway - Mason City, IA Tri-State Challenge A Modifieds, 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars | Results | | Carter Koop (USRA Hobby Stocks) | 3rd | - | - | 4th |
|
| 9/16/2023 | Deer Creek Speedway - Spring Valley, MN Altenburg Construction Stock Car Nationals USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars | Results | | Carter Koop (USRA Hobby Stocks) | 4th | - | 2nd | 22nd |
|
| 9/17/2023 | Mason City Motor Speedway - Mason City, IA Stock Car/Hobby Stock Special USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Carter Koop (USRA Hobby Stocks) | 4th | - | - | 4th |
|
| 10/2/2023 | Lucas Oil Speedway - Wheatland, MO Summit USRA Nationals USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carter Koop (USRA Hobby Stocks) | - | - | - | - |
|
| 10/4/2023 | Lucas Oil Speedway - Wheatland, MO Summit USRA Nationals Hobby Stocks, A Modifieds, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Carter Koop (Hobby Stocks) | 4th | - | - | 10th |
|
| 10/5/2023 | Lucas Oil Speedway - Wheatland, MO Summit USRA Nationals A Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars | Results | | Carter Koop (USRA Hobby Stocks) | 3rd | - | - | 1st |
|
| 10/7/2023 | Lucas Oil Speedway - Wheatland, MO Summit USRA Nationals A Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Carter Koop (USRA Hobby Stocks) | - | - | - | 5th |
|
| 10/20/2023 | Mason City Motor Speedway - Mason City, IA Your Life Iowa Five Star Classic Presented by Canadian Pacific Dirt Super Late Models, 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars | Results | | Carter Koop (USRA Hobby Stocks) | 3rd | - | - | 2nd |
|