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| 2/19/2021 | Cocopah Speedway - Somerton, AZ WESTERN STATES DWARF CAR NATIONALS Dwarf: Western States Dwarf Car Association Vintage Modifieds, Cage Jr. Sprints, Kid Karts Dirt, Junior Sportsman Dirt Karts, IMCA Modified, IMCA Northern SportMod, Mod Lites, Sportsman Dwarf, Veteran Dwarf, Pro Dwarf | Results | | Mike Grenert (Pro Dwarf) | 1st | - | - | 6th |
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| 2/20/2021 | Cocopah Speedway - Somerton, AZ WESTERN STATES DWARF CAR NATIONALS Dwarf: Western States Dwarf Car Association Cage Jr. Sprints, Kid Karts Dirt, Junior Sportsman Dirt Karts, IMCA Modified, IMCA Northern SportMod, Mod Lites, Sportsman Dwarf, Veteran Dwarf, Pro Dwarf | Results | | Mike Grenert (Pro Dwarf) | - | - | - | 8th |
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| 3/13/2021 | Antioch Speedway - Antioch, CA Wingless Sprints, Dwarf Cars, Hobby Stocks, Super Stocks Hobby Stocks, Stock Cars, Non-Winged Sprints, Dwarf, IMCA Northern SportMod | Results | | Mike Grenert (Dwarf) | 1st | - | - | 3rd |
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| 3/26/2021 | Mohave Valley Raceway - Bullhead City, AZ Western States Dwarf Car Nationals presented by SNDCA Dwarf: Western States Dwarf Car Association Lightning Sprints, IMCA Northern SportMod, Sportsman Dwarf, Veteran Dwarf, Pro Dwarf | Results | | Mike Grenert (Pro Dwarf) | 1st | - | - | 5th |
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| 3/27/2021 | Mohave Valley Raceway - Bullhead City, AZ Western States Dwarf Car Nationals presented by SNDCA Dwarf: Western States Dwarf Car Association Lightning Sprints, IMCA Northern SportMod, Sportsman Dwarf, Veteran Dwarf, Pro Dwarf | Results | | Mike Grenert (Pro Dwarf) | - | - | - | 12th |
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| 4/10/2021 | Placerville Speedway - Placerville, CA Points Race #3 | 18th Annual Tribute to Al Hinds Dwarf: NorCal Dwarf Car Association 360 Sprints - Winged, Dirt Late Models, Pure Stock | Results | | Mike Grenert (Dwarf) | 1st | - | - | 3rd |
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| 4/11/2021 | Petaluma Speedway - Petaluma, CA Welcome Back Fans! 360 Sprints - Winged, Dwarf, Super Stocks, Pure Stock | Results | | Mike Grenert (Dwarf) | 1st | - | - | 4th |
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| 5/14/2021 | Quincy Speedway - QUINCY, CA National #3 night 1 Dwarf: Western States Dwarf Car Association Sportsman Dwarf, Veteran Dwarf, Pro Dwarf | Results | | Mike Grenert (Pro Dwarf) | 3rd | - | - | 18th |
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| 5/15/2021 | Quincy Speedway - QUINCY, CA National #3 night 2 Dwarf: Western States Dwarf Car Association Sportsman Dwarf, Veteran Dwarf, Pro Dwarf | Results | | Mike Grenert (Pro Dwarf) | 3rd | - | 6th | 7th |
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| 5/23/2021 | Placerville Speedway - Placerville, CA Points Race #8 | Dwarf: NorCal Dwarf Car Association 360 Sprints - Winged, Dirt Late Models, Pure Stock | Results | | Mike Grenert (Dwarf) | 2nd | - | - | 3rd |
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| 6/11/2021 | Petaluma Speedway - Petaluma, CA National #4 night 1 Dwarf: Western States Dwarf Car Association Sportsman Dwarf, Veteran Dwarf, Pro Dwarf | Results | | Mike Grenert (Pro Dwarf) | 2nd | - | - | 9th |
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| 6/12/2021 | Petaluma Speedway - Petaluma, CA National #4 night 2 Dwarf: Western States Dwarf Car Association Non-Winged Sprints, Sportsman Dwarf, Veteran Dwarf, Pro Dwarf | Results | | Mike Grenert (Pro Dwarf) | - | - | - | 2nd |
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| 6/26/2021 | Placerville Speedway - Placerville, CA Points Race #10 | Carnett Clash Dwarf: NorCal Dwarf Car Association 360 Sprints - Winged, Dirt Late Models, Pure Stock | Results | | Mike Grenert (Dwarf) | 1st | - | - | 3rd |
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| 7/16/2021 | Antioch Speedway - Antioch, CA National #5 night 1 Dwarf: Western States Dwarf Car Association Sportsman Dwarf, Veteran Dwarf, Pro Dwarf | Results | | Mike Grenert (Pro Dwarf) | 2nd | - | - | 7th |
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| 7/17/2021 | Antioch Speedway - Antioch, CA National #5 night 2 Dwarf: Western States Dwarf Car Association Sportsman Dwarf, Veteran Dwarf, Pro Dwarf | Results | | Mike Grenert (Pro Dwarf) | - | - | - | 4th |
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| 7/24/2021 | Placerville Speedway - Placerville, CA Points Race #13 | Thompson's Fan Appreciation Night Dwarf: NorCal Dwarf Car Association 360 Sprints - Winged, Dirt Late Models, Pure Stock | Results | | Mike Grenert (Dwarf) | 3rd | - | - | 2nd |
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| 8/7/2021 | Placerville Speedway - Placerville, CA Points Race #14 | 16th Annual Mark Forni Classic Dwarf: NorCal Dwarf Car Association 360 Sprints - Winged, Dirt Late Models, Pure Stock | Results | | Mike Grenert (Dwarf) | 2nd | - | - | 3rd |
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| 8/13/2021 | Cottage Grove Speedway - Cottage Grove, OR National #6 night 1 Dwarf: Western States Dwarf Car Association B Modifieds, Sportsman Dwarf, Veteran Dwarf, Pro Dwarf | Results | | Mike Grenert (Dwarf) | - | - | - | - | | Mike Grenert (Pro Dwarf) | 1st | - | - | 1st |
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| 8/14/2021 | Cottage Grove Speedway - Cottage Grove, OR national #6 night 2 Dwarf: Western States Dwarf Car Association B Modifieds, Sportsman Dwarf, Veteran Dwarf, Pro Dwarf | Results | | Mike Grenert (Dwarf) | - | - | - | - | | Mike Grenert (Pro Dwarf) | - | - | - | 7th |
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| 9/24/2021 | Marysville Raceway - Marysville, CA National #7 night 1 Dwarf: Western States Dwarf Car Association Sportsman Dwarf, Veteran Dwarf, Pro Dwarf | Results | | Mike Grenert (Pro Dwarf) | 5th | - | 2nd | 11th |
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| 9/25/2021 | Marysville Raceway - Marysville, CA National #7 night 2 Dwarf: Western States Dwarf Car Association Sportsman Dwarf, Veteran Dwarf, Pro Dwarf | Results | | Mike Grenert (Pro Dwarf) | 1st | - | 2nd | 5th |
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| 10/2/2021 | Petaluma Speedway - Petaluma, CA Adobe Cup II Dwarf Twin 25’s Stock Non-Wing, Non-Winged Sprints, Dwarf | Results | | Mike Grenert (Dwarf) | 1st | - | - | - |
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| 10/22/2021 | Antioch Speedway - Antioch, CA Dwarf Car Mania II Night #1 Dirt Late Models, Dwarf | Results | | Mike Grenert (Dwarf) | 2nd | - | - | 4th |
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| 10/23/2021 | Antioch Speedway - Antioch, CA Dwarf Car Mania II Night #2 Hobby Stocks, Dwarf | Results | | Mike Grenert (Dwarf) | - | 4th | - | 16th |
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