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| 5/6/2023 | Springport Mid-Michigan Speedway - Springport, MI Auto-Lab Late Models Stock Cars, Street Stocks, Asphalt Sport Mods, Mini Wedge, Mini Outlaws | Results | | Tim Lahar (Street Stocks) | 4th | - | - | 3rd |
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| 5/13/2023 | Owosso Speedway - Owosso, MI $2500 to Win Modifieds! $1000 Trucks! $1500 Street Stocks! $850a $650b F.W.D A Modifieds, Street Stocks, Hornets, Asphalt Economy Trucks, Sport Compact, IMCA Sport Compact | Results | | Tim Lahar (A Modifieds) | 4th | - | - | 22nd (DNF) | | Tim Lahar (Street Stocks) | 6th | - | - | 15th |
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| 5/20/2023 | Owosso Speedway - Owosso, MI $1800 to Win Late Model Sportsman! $1000 Pure Stocks & $1500 Street Stocks! $850a $650b F.W.D Street Stocks, Hornets, Asphalt Sportsman Late Models, Mini Wedge, Sport Compact, Pure Stock, IMCA Sport Compact | Results | | Tim Lahar (Street Stocks) | 5th | - | - | 6th |
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| 5/27/2023 | Owosso Speedway - Owosso, MI Memorial Day Weekend AUTOGRAPH NIGHT EXTRAVAGANZA! A Modifieds, Street Stocks, Hornets, Asphalt Economy Trucks, Sport Compact, Pure Stock, IMCA Sport Compact | Results | | Tim Lahar (A Modifieds) | - | - | - | 6th | | Tim Lahar (Street Stocks) | - | - | - | 7th |
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| 6/3/2023 | Owosso Speedway - Owosso, MI $5 Front Gate Night! Street Stocks, Hornets, Asphalt Economy Trucks, Asphalt Sportsman Late Models, Sport Compact, Pure Stock, IMCA Sport Compact | Results | | Tim Lahar (Street Stocks) | 2nd | - | - | 5th |
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| 6/10/2023 | Owosso Speedway - Owosso, MI CRA/JEGS ALL-STAR TOUR PLUS Asphalt Late Models, A Modifieds, Dwarf, Hornets, Asphalt Economy Trucks, Mini Wedge, Sport Compact, IMCA Sport Compact | Results | | Tim Lahar (A Modifieds) | - | - | - | 8th |
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| 6/17/2023 | Springport Mid-Michigan Speedway - Springport, MI NOS ENERGY MODIFIEDS & MID-WEST COMPACT'S with *Spring championship* Stock Cars, Street Stocks, Asphalt Sport Mods, Asphalt 4 cyl Modifieds, Mini Wedge, Mini Outlaws, Sport Compact | Results | | Tim Lahar (Street Stocks) | 8th (DNF) | - | - | 3rd |
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| 6/24/2023 | Owosso Speedway - Owosso, MI MUST SEE SPRINT CARS & GEORGE HARRIS 50 PURE STOCK INVITE! 410 Sprints - Winged, 305 Sprints - Winged, A Modifieds, Street Stocks, Pure Stock | Results | | Tim Lahar (A Modifieds) | - | - | - | 2nd | | Tim Lahar (Street Stocks) | - | - | - | 1st |
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| 7/1/2023 | Owosso Speedway - Owosso, MI MIDWEST MODIFIED TOUR PLUS FIREWORKS!!! $14 FRONT GATE TICKET! Midwest Modifieds, Street Stocks, Hornets, Asphalt Economy Trucks, Sport Compact, Pure Stock, IMCA Sport Compact | Results | | Tim Lahar (Midwest Modifieds) | - | - | - | 1st | | Tim Lahar (Street Stocks) | - | - | - | 4th |
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| 7/8/2023 | Owosso Speedway - Owosso, MI 25th Annual Tommy Bowles Memorial! A Modifieds, Dwarf, Hornets, Asphalt Economy Trucks, Asphalt Sportsman Late Models, Mini Wedge, Sport Compact, IMCA Sport Compact | Results | | Tim Lahar (A Modifieds) | 6th (DNF) | - | - | 3rd |
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| 7/15/2023 | Owosso Speedway - Owosso, MI $10K TO WIN HAMMER SERIES OUTLAW SUPERS!! $14 ADULT TICKET Street Stocks, Supermodifieds, Hornets, Asphalt Economy Trucks, Sport Compact, Pure Stock, IMCA Sport Compact | Results | | Tim Lahar (Street Stocks) | - | - | - | 13th (DNF) |
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| 7/22/2023 | Owosso Speedway - Owosso, MI $2500 TO WIN MODIFIEDS! A Modifieds, Street Stocks, Hornets, Asphalt Economy Trucks, Mini Wedge, Sport Compact, Pure Stock, IMCA Sport Compact | Results | | Tim Lahar (A Modifieds) | 8th (DNF) | - | - | 5th | | Tim Lahar (Street Stocks) | 4th | - | - | 4th |
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| 7/29/2023 | Owosso Speedway - Owosso, MI $2500 to Win Mods Plus $1800 to win Late Model Sportsman and More! A Modifieds, Street Stocks, Dwarf, Hornets, Asphalt Sportsman Late Models, Sport Compact, Pure Stock, IMCA Sport Compact | Results | | Tim Lahar (A Modifieds) | - | - | - | 3rd | | Tim Lahar (Street Stocks) | - | - | - | 17th |
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| 8/5/2023 | Owosso Speedway - Owosso, MI 2nd Annual Kevin Adkins Memorial Pure Stock Race! Sportsman Sprints, Street Stocks, Hornets, Asphalt Economy Trucks, Asphalt Sportsman Late Models, Mini Wedge, Sport Compact, Pure Stock, IMCA Sport Compact | Results | | Tim Lahar (Street Stocks) | - | - | - | 15th (DNF) |
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| 8/11/2023 | Owosso Speedway - Owosso, MI Hot Shoe 100 Practice And Concert A Modifieds, Street Stocks, Hornets, Asphalt Economy Trucks, Mini Wedge, Sport Compact, Pure Stock, IMCA Sport Compact | Results | | Tim Lahar (A Modifieds) | - | - | - | - | | Tim Lahar (Street Stocks) | - | - | - | - |
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| 8/12/2023 | Owosso Speedway - Owosso, MI THE HOT SHOE 100! A Modifieds, B Modifieds, Street Stocks, Hornets, Asphalt Economy Trucks, Limited Modified, Sport Compact, Pure Stock, IMCA Sport Compact | Results | | Tim Lahar (A Modifieds) | - | - | - | 10th | | Tim Lahar (Street Stocks) | - | - | - | 2nd |
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| 8/19/2023 | Owosso Speedway - Owosso, MI CRA/JEGs Masters of the Pro's $10,000 to win $1000 to Start Late Model Race! Asphalt Late Models, A Modifieds, Hornets, Asphalt Economy Trucks, Sport Compact, Pure Stock, IMCA Sport Compact | Results | | Tim Lahar (A Modifieds) | - | - | - | 18th (DNF) |
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| 8/20/2023 | Corrigan Oil Speedway - Mason, MI Harvest XXXIV Asphalt Late Models, Street Stocks, Asphalt Sportsman Late Models, Asphalt Small Block Modifieds, Pony Stock | Results | | Tim Lahar (Street Stocks) | - | - | - | 4th |
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| 8/26/2023 | Owosso Speedway - Owosso, MI The 12th Annual Ron Hauser Memorial at Owosso Speedway! $10K to Win! Street Stocks, Supermodifieds, Hornets, Asphalt Economy Trucks, Sport Compact, Pure Stock, IMCA Sport Compact | Results | | Tim Lahar (Street Stocks) | 4th | - | - | 2nd |
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| 9/2/2023 | Owosso Speedway - Owosso, MI Labor Day Weekend Must See Sprint Car Extravaganza! 410 Sprints - Winged, 305 Sprints - Winged, Street Stocks, Hornets, Asphalt Economy Trucks, Sport Compact, Pure Stock, IMCA Sport Compact | Results | | Tim Lahar (Street Stocks) | 5th | - | - | 2nd | | Tim Lahar (Pure Stock) | 1st | - | - | 5th |
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| 9/9/2023 | Owosso Speedway - Owosso, MI Young Chevrolet Challenge Series Championships & Marie Smith Kids Bike Night! A Modifieds, Street Stocks, Hornets, Asphalt Economy Trucks, Asphalt Sportsman Late Models, Mini Wedge, Sport Compact, Pure Stock, IMCA Sport Compact | Results | | Tim Lahar (A Modifieds) | - | - | - | 3rd | | Tim Lahar (Street Stocks) | - | - | - | 2nd |
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| 9/22/2023 | Owosso Speedway - Owosso, MI OWOSSO NATIONALS PRACTICE/CAMPING/LIVE MUSIC! A Modifieds, Street Stocks, Supermodifieds, Hornets, Asphalt Economy Trucks, Asphalt Sportsman Late Models, Mini Wedge, Sport Compact, Pure Stock, IMCA Sport Compact | Results | | Tim Lahar (A Modifieds) | 2nd | - | - | - | | Tim Lahar (Street Stocks) | 1st | - | - | - | | Tim Lahar (Supermodifieds) | - | - | - | - |
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| 9/23/2023 | Owosso Speedway - Owosso, MI THE ICONIC OWOSSO NATIONALS!!! (6pm start time) A Modifieds, Street Stocks, Supermodifieds, Hornets, Asphalt Economy Trucks, Asphalt Sportsman Late Models, Sport Compact, Pure Stock, IMCA Sport Compact | Results | | Tim Lahar (A Modifieds) | - | - | - | 6th | | Tim Lahar (Street Stocks) | - | - | - | 2nd | | Tim Lahar (Supermodifieds) | - | - | 11th | - |
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| 9/29/2023 | Birch Run Speedway - Birch Run, MI 2023 Birch Run Speedway Points Championship Night Hornets, Asphalt Economy Trucks, Asphalt Street Stocks, Asphalt Small Block Modifieds, Asphalt Pure Stocks, Asphalt Limited Late Models, Figure 8 - RWD-Open | Results | | Tim Lahar (Asphalt Small Block Modifieds) | - | - | - | 8th |
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