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| 4/8/2023 | Kalamazoo Speedway - Kalamazoo, MI Pre-Season Testing Asphalt Super Late Models, A Modifieds, Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks, Crown Vic | Results | | Dave Leonard Jr (Asphalt 4-Cylinders) | - | - | - | - |
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| 4/19/2023 | Kalamazoo Speedway - Kalamazoo, MI Pre-Season Testing Asphalt Super Late Models, A Modifieds, Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks, Crown Vic | Results | | Dave Leonard Jr (Asphalt 4-Cylinders) | - | - | - | - |
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| 5/5/2023 | Kalamazoo Speedway - Kalamazoo, MI Weekly Racing Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Dave Leonard Jr (Asphalt 4-Cylinders) | - | - | - | 1st |
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| 5/6/2023 | Owosso Speedway - Owosso, MI $2500 to Win Modifieds! $1000 Pure Stocks & Trucks! Dwarf Cars! $850a $650b F.W.D A Modifieds, Dwarf, Hornets, Asphalt Economy Trucks, Sport Compact, Pure Stock, IMCA Sport Compact | Results | | Dave Leonard Jr (Sport Compact) | - | - | - | - |
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| 5/19/2023 | Kalamazoo Speedway - Kalamazoo, MI It's Modified Time!! A Modifieds, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Dave Leonard Jr (Asphalt 4-Cylinders) | - | - | - | 3rd |
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| 5/26/2023 | Kalamazoo Speedway - Kalamazoo, MI Weekly Racing Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks, Crown Vic | Results | | Dave Leonard Jr (Asphalt Street Stocks) | - | - | - | 8th |
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| 6/2/2023 | Kalamazoo Speedway - Kalamazoo, MI Weekly Racing Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Dave Leonard Jr (Asphalt 4-Cylinders) | - | - | - | 2nd | | Dave Leonard Jr (Asphalt Street Stocks) | - | - | - | 13th |
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| 6/9/2023 | Kalamazoo Speedway - Kalamazoo, MI Outlaws are back!! Asphalt Super Late Models, Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks | Results | | Dave Leonard Jr (Asphalt 4-Cylinders) | - | - | - | 2nd |
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| 6/30/2023 | Kalamazoo Speedway - Kalamazoo, MI NCTS @ the ZOO! Asphalt Rookie Stocks, Sport Compact | Results | | Dave Leonard Jr (Sport Compact) | 9th | - | - | 2nd |
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| 7/3/2023 | Kalamazoo Speedway - Kalamazoo, MI 'Merica Night @ the ZOO Dwarf, Asphalt Street Stocks, Asphalt Rookie Stocks, Sport Compact, Crown Vic | Results | | Dave Leonard Jr (Sport Compact) | 10th | - | - | 2nd |
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| 7/5/2023 | Kalamazoo Speedway - Kalamazoo, MI Open Practice Asphalt Super Late Models, Asphalt Sportsman Late Models, Asphalt Street Stocks | Results | | Dave Leonard Jr (Asphalt Street Stocks) | - | - | - | - |
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| 7/8/2023 | Kalamazoo Speedway - Kalamazoo, MI Kalamazoo KLASH XXXI Trifecta @ the ZOO!! Asphalt Super Late Models, Asphalt Sportsman Late Models, Asphalt Street Stocks | Results | | Dave Leonard Jr (Asphalt Street Stocks) | - | - | 4th | - |
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| 7/14/2023 | Lorain Raceway Park - South Amherst, OH Trident Practice Day Factory Stocks, Street Stocks, Asphalt Stock Cars | Results | | Dave Leonard Jr (Asphalt Stock Cars) | - | - | - | - |
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| 7/15/2023 | Lorain Raceway Park - South Amherst, OH 2nd Annual Trident Stock Car Nationals Factory Stocks, Street Stocks, Asphalt Stock Cars | Results | | Dave Leonard Jr (Asphalt Stock Cars) | - | - | - | - |
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| 7/21/2023 | Kalamazoo Speedway - Kalamazoo, MI Weekly Racing Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Dave Leonard Jr (Asphalt Street Stocks) | - | - | - | 6th |
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| 7/28/2023 | Kalamazoo Speedway - Kalamazoo, MI Michigan Auto Racing Fan Club Night Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Dave Leonard Jr (Asphalt Street Stocks) | - | - | - | 4th |
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| 9/1/2023 | Kalamazoo Speedway - Kalamazoo, MI Season Championship Night Asphalt Sportsman Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Dave Leonard Jr (Asphalt 4-Cylinders) | 6th | - | - | 3rd |
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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 | | Dave Leonard Jr (Sport Compact) | 2nd | - | - | 2nd |
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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 | | Dave Leonard Jr (Sport Compact) | - | - | - | 3rd |
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| 9/29/2023 | Kalamazoo Speedway - Kalamazoo, MI Super Shoe XXXVI Stock Cars, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Dave Leonard Jr (Asphalt 4-Cylinders) | - | - | - | - |
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| 9/30/2023 | Kalamazoo Speedway - Kalamazoo, MI Super Shoe XXXVI Stock Cars, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Dave Leonard Jr (Asphalt 4-Cylinders) | - | - | - | 2nd |
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| 10/1/2023 | Kalamazoo Speedway - Kalamazoo, MI Super Shoe XXXVI Stock Cars, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Rookie Stocks | Results | | Dave Leonard Jr (Asphalt 4-Cylinders) | - | - | - | - |
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| 10/6/2023 | Springport Mid-Michigan Speedway - Springport, MI *MICHIGAN CUP* Oct. 6th, 7th, 8th. 2023 Asphalt Super Late Models, Stock Cars, Street Stocks, Asphalt Sport Mods, Asphalt 4 cyl Modifieds, Mini Wedge, Mini Outlaws | Results | | Dave Leonard Jr (Stock Cars) | - | - | - | 15th |
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