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| 6/29/2018 | Thunder Hill Speedway - Menomonie, WI SUMMER THUNDER! Hollywoood Tan Night! (Friday) Junior Class, Junior 1 Lites Dirt Karts, Junior 2 Lites Dirt Karts, Adult Heavy, Adult Medium, Rookie Class, 250 Winged Outlaw, 500 Winged Open Outlaw, Junior Sportsman Dirt Karts, Cage Jr. 206 A | Results | | Corey Diehl (Junior Sportsman Dirt Karts) | 4th | - | - | 10th |
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| 6/30/2018 | Thunder Hill Speedway - Menomonie, WI SUMMER THUNDER! J & K Concrete / T & K Fireworks Night (Saturday)- HUGE FIREWORKS SHOW!!! Junior Class, Junior 1 Lites Dirt Karts, Junior 2 Lites Dirt Karts, Adult Heavy, Adult Medium, Rookie Class, Flat Adult Clone Heavy, 250 Winged Outlaw, 500 Winged Open Outlaw, Junior Sportsman Dirt Karts, Cage Jr. 206 A | Results | | Corey Diehl (Junior Sportsman Dirt Karts) | - | - | - | - |
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| 9/7/2018 | Thunder Hill Speedway - Menomonie, WI Advance Auto Parts Night before the 2018 WI Dirt Track State Championships Winged A-Class, Junior 1 Lites Dirt Karts, Junior 2 Lites Dirt Karts, Adult Heavy, Rookie Class, 250 Winged Outlaw, 500 Winged Open Outlaw, Junior Sportsman Dirt Karts, Cage Jr. 206 A | Results | | Corey Diehl (Junior Sportsman Dirt Karts) | 5th | - | - | 13th |
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| 9/8/2018 | Thunder Hill Speedway - Menomonie, WI 2018 WI DIRT TRACK STATE CHAMPIONSHIPS! Winged A-Class, Junior 1 Lites Dirt Karts, Junior 2 Lites Dirt Karts, Adult Heavy, Rookie Class, 250 Winged Outlaw, 500 Winged Open Outlaw, Junior Sportsman Dirt Karts, Cage Jr. 206 A | Results | | Corey Diehl (Junior Sportsman Dirt Karts) | 4th | - | - | 9th |
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