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| 4/17/2015 | Winston Speedway - Rothbury, MI Full Program – Best Appearing Car Award For Each Class DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Hornets | Results | | Steve Oudsema (Street Stocks) | 2nd | - | - | 7th |
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| 4/24/2015 | Winston Speedway - Rothbury, MI 9th Annual All-Star Performance 50 Sunoco American Late Model Series DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Hornets | Results | | Steve Oudsema (Street Stocks) | 4th | - | - | 3rd |
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| 5/1/2015 | Winston Speedway - Rothbury, MI Full Program - Street Stock Special presented by Mr. B's Pancake House DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Hornets | Results | | Steve Oudsema (Street Stocks) | 3rd | - | - | 5th |
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| 5/8/2015 | Winston Speedway - Rothbury, MI Michigan Dirt Cup Season Opener DIRTcar UMP Modifieds: Michigan Dirt Cup Modified Tour DIRTcar Late Models, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Hornets | Results | | Steve Oudsema (Street Stocks) | 4th | - | - | 10th |
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| 5/22/2015 | Winston Speedway - Rothbury, MI Full Program - Scout Night – All Scouts In Uniform Admitted FREE!! / Bomber Special DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Hornets | Results | | Steve Oudsema (Street Stocks) | 7th | - | - | 8th |
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| 6/19/2015 | Winston Speedway - Rothbury, MI Full Program - Street Stock Special Presented by Grasmeyer Bros. L.LC. / Late Models $1000 to Win DIRTcar Late Models, DIRTcar UMP Modifieds, Factory Stocks, Stock Cars, B Modifieds, Street Stocks, Hornets | Results | | Steve Oudsema (Street Stocks) | 4th | - | - | 11th |
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