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| 4/7/2023 | Diamond Mountain Speedway (CA) - Susanville, CA Points Race 1 Street Stocks, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | 1st | - | - | 10th |
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| 4/8/2023 | Diamond Mountain Speedway (CA) - Susanville, CA Points Race 2- Easter Egg Hunt! Street Stocks, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | 5th | - | - | 4th |
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| 4/22/2023 | Diamond Mountain Speedway (CA) - Susanville, CA Points Race 3 Street Stocks, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | DNS | - | - | 7th |
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| 4/28/2023 | Rattlesnake Raceway - Fallon, NV Season Opener Night #1 Stock Cars, Street Stocks, Dwarf, Pure Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | 2nd | - | - | 5th (DNF) |
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| 4/29/2023 | Rattlesnake Raceway - Fallon, NV Season Opener Night #2 Stock Cars, Street Stocks, Dwarf, Pure Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | 1st | - | - | 2nd |
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| 5/6/2023 | Diamond Mountain Speedway (CA) - Susanville, CA Points Race 4 Street Stocks, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | 2nd | - | - | 2nd |
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| 5/19/2023 | Diamond Mountain Speedway (CA) - Susanville, CA Points Race 5 Sprint Cars, Street Stocks, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | 6th | - | - | 1st |
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| 5/20/2023 | Diamond Mountain Speedway (CA) - Susanville, CA Points Race 6 Sprint Cars, Street Stocks, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | 4th | - | - | 3rd |
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| 6/2/2023 | Diamond Mountain Speedway (CA) - Susanville, CA Points Race 7 Street Stocks, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | 6th | - | - | 2nd |
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| 6/17/2023 | Diamond Mountain Speedway (CA) - Susanville, CA Points Race 8 Street Stocks, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | 2nd | - | - | 3rd |
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| 6/23/2023 | Lovelock Speedway - Lovelock, NV Coeur Rochester Night at the Races Hobby Stocks, Winged Crate Sprints, IMCA Modified, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | - | - | - | 2nd |
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| 7/4/2023 | Diamond Mountain Speedway (CA) - Susanville, CA Points Race 9 Sprint Cars, Street Stocks, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | 3rd | - | - | 2nd |
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| 7/23/2023 | Diamond Mountain Speedway (CA) - Susanville, CA Points Race 10 Street Stocks, Dwarf, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | 1st | - | - | 4th |
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| 8/12/2023 | Diamond Mountain Speedway (CA) - Susanville, CA Points Race 11 Street Stocks, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | 4th | - | - | 2nd |
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| 9/3/2023 | Diamond Mountain Speedway (CA) - Susanville, CA Race 13 Sprint Cars, Street Stocks, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | - | - | - | 6th |
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| 9/9/2023 | Lovelock Speedway - Lovelock, NV Hobby Stocks, Winged Crate Sprints, Generic 1, IMCA Modified, IMCA Northern SportMod | Results | | Jeff Olschowka (Generic 1) | - | - | - | 3rd |
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| 9/15/2023 | Rattlesnake Raceway - Fallon, NV Stock Cars, Street Stocks, Pure Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Olschowka (Stock Cars) | 1st | - | - | DNS |
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| 9/16/2023 | Rattlesnake Raceway - Fallon, NV MEMORIAL STREET STOCK RACE Stock Cars, Street Stocks, Pure Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Olschowka (Stock Cars) | DNS | - | - | 2nd |
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| 9/29/2023 | Winnemucca Regional Raceway - Winnemucca, NV Hobby Stocks, A Modifieds, Dwarf, Pure Stock, IMCA Modified, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | 4th | - | - | 5th |
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| 9/30/2023 | Winnemucca Regional Raceway - Winnemucca, NV Hobby Stocks, A Modifieds, Sportsman Micros, Pure Stock, IMCA Modified, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | 1st | - | - | 9th (DNF) |
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| 10/6/2023 | Rattlesnake Raceway - Fallon, NV DIRT TRACK CHAMPIONSHIP Sprint Cars, Midgets, Stock Cars, Street Stocks, Dwarf, Pure Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | 7th (DNF) | - | - | 1st |
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| 10/7/2023 | Rattlesnake Raceway - Fallon, NV DIRT TRACK CHAMPIONSHIP Sprint Cars, Midgets, Stock Cars, Street Stocks, Dwarf, Pure Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Olschowka (IMCA Stock Car) | 2nd | - | - | 1st |
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| 10/28/2023 | Rattlesnake Raceway - Fallon, NV Halloween Race Hobby Stocks, Stock Cars, Street Stocks, Pure Stock, IMCA Northern SportMod | Results | | Jeff Olschowka (Stock Cars) | 1st | - | - | 1st |
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