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| 4/27/2018 | Tri City Speedway - Granite City, IL Busch 50 Dirt Super Late Models: Lucas Oil Late Model Dirt Series DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds | Results | | ZZZDavid ZZZWietholder (DIRTcar UMP Modifieds) | 3rd | - | - | 14th |
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| 5/4/2018 | Tri City Speedway - Granite City, IL "KG's Birthday Bash" Modified $1500, BMods $1000, CLM $1000, SS $300 DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Pro Late Model | Results | | ZZZDavid ZZZWietholder (DIRTcar UMP Modifieds) | 3rd | - | - | 5th |
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| 5/25/2018 | Tri City Speedway - Granite City, IL Full Throttle Friday (Street Stock & Sportsman Running together as 1 class) DIRTcar Late Models, DIRTcar UMP Modifieds, Winged Outlaw, B Modifieds, Street Stocks, Generic 1, Pro Late Model | Results | | ZZZDavid ZZZWietholder (DIRTcar UMP Modifieds) | 2nd | 5th | - | - |
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| 5/26/2018 | Lincoln Speedway - Lincoln, IL Super Late Model Shootout Economy Midgets, Dirt Super Late Models, DIRTcar UMP Modifieds, B Modifieds, Hornets | Results | | ZZZDavid ZZZWietholder (DIRTcar UMP Modifieds) | 1st | - | - | 4th |
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| 6/1/2018 | Tri City Speedway - Granite City, IL MARS vs UMP LM $3000 to Win, Crate LM $700 (Make Up for Modified Feature from 5/25) DIRTcar Late Models, DIRTcar UMP Modifieds, Winged Outlaw, B Modifieds, Pro Late Model | Results | | ZZZDavid ZZZWietholder (DIRTcar UMP Modifieds) | 2nd | - | - | 2nd |
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| 6/8/2018 | Tri City Speedway - Granite City, IL Full Throttle Friday Crate LM $700 to win (Make Up Feature for StStock/Sportsman from 5/25) DIRTcar Late Models, DIRTcar UMP Modifieds, Winged Outlaw, B Modifieds, Street Stocks, Pro Late Model | Results | | ZZZDavid ZZZWietholder (DIRTcar UMP Modifieds) | 3rd | - | - | 7th |
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| 6/15/2018 | Tri City Speedway - Granite City, IL Full Throttle Friday BMods $1000 (Make Up Feature for BModified from 5/25) DIRTcar Late Models, DIRTcar UMP Modifieds, Winged Outlaw, B Modifieds | Results | | ZZZDavid ZZZWietholder (DIRTcar UMP Modifieds) | 3rd | - | - | 4th |
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| 6/22/2018 | Tri City Speedway - Granite City, IL UMP Summer Nationals LM $10000, Modified $1000, BMods $1000 DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds | Results | | ZZZDavid ZZZWietholder (DIRTcar UMP Modifieds) | 4th | - | - | 10th |
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| 7/20/2018 | Tri City Speedway - Granite City, IL Full Throttle Friday Crate LM $1000 (Make Up Feature for CLM from 5/25) DIRTcar Late Models, DIRTcar UMP Modifieds, Winged Outlaw, B Modifieds, Pro Late Model | Results | | ZZZDavid ZZZWietholder (DIRTcar UMP Modifieds) | 1st | - | - | 2nd |
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| 7/27/2018 | Tri City Speedway - Granite City, IL Full Throttle Friday DIRTcar Late Models, DIRTcar UMP Modifieds, Winged Outlaw, B Modifieds, Street Stocks | Results | | ZZZDavid ZZZWietholder (DIRTcar UMP Modifieds) | 2nd | - | - | 6th |
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| 9/27/2018 | Tri City Speedway - Granite City, IL 14th Annual Summit Modified Mania $3000, Late Models $2000 DIRTcar Late Models, DIRTcar UMP Modifieds | Results | | ZZZDavid ZZZWietholder (DIRTcar UMP Modifieds) | 2nd | - | 8th | - |
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| 9/28/2018 | Tri City Speedway - Granite City, IL 14th Annual Summit Modified Mania $4000, Late Models $2500/CLM $1000 DIRTcar Late Models, DIRTcar UMP Modifieds, Pro Late Model | Results | | ZZZDavid ZZZWietholder (DIRTcar UMP Modifieds) | 4th | - | 5th | - |
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| 9/29/2018 | Tri City Speedway - Granite City, IL 14th Annual Summit Modified Mania $5000, Late Models $3000/CLM $1000 DIRTcar Late Models, DIRTcar UMP Modifieds, Pro Late Model | Results | | ZZZDavid ZZZWietholder (DIRTcar UMP Modifieds) | 5th | - | 7th | - |
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