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| 3/6/2021 | Rocket Raceway Park - Petty, TX Season Opener Hobby Stocks, Stock Cars, 600cc Modifieds, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners | Results | | Shawn Williams (600cc Modifieds) | 8th | - | - | 3rd |
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| 3/11/2021 | Southern Oklahoma Speedway - Ardmore, OK Southern Stampede Night 1 Stock Cars, 600cc Modifieds, Limited Sport Mod, IMCA Modified | Results | | Shawn Williams (600cc Modifieds) | 2nd | - | - | 4th |
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| 3/12/2021 | Southern Oklahoma Speedway - Ardmore, OK Southern Stampede Night 2 Stock Cars, 600cc Modifieds, Limited Sport Mod, IMCA Modified | Results | | Shawn Williams (600cc Modifieds) | 2nd | - | - | 5th |
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| 3/20/2021 | Southern Oklahoma Speedway - Ardmore, OK Opening Night - All Classes A Modifieds: TOMS - Touring Outlaw Modified Series Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod, IMCA Stock Car | Results | | Shawn Williams (600cc Modifieds) | 1st | - | - | 2nd |
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| 3/27/2021 | Southern Oklahoma Speedway - Ardmore, OK Regular Night of Racing Hobby Stocks, Stock Cars, Midwest Modifieds, 600cc Modifieds, Limited Modified, Limited Sport Mod, IMCA Stock Car | Results | | Shawn Williams (600cc Modifieds) | 1st | - | - | 1st |
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| 4/3/2021 | Southern Oklahoma Speedway - Ardmore, OK Dallas Ft. Worth Late Models Dirt Late Models: American Crate Late Model Series Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod, IMCA Stock Car | Results | | Shawn Williams (600cc Modifieds) | 2nd | - | - | 4th |
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| 4/10/2021 | Southern Oklahoma Speedway - Ardmore, OK Regular Night of Racing Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod, IMCA Modified, IMCA Stock Car | Results | | Shawn Williams (600cc Modifieds) | 2nd | - | - | 4th |
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| 4/17/2021 | Southern Oklahoma Speedway - Ardmore, OK Texas Sprint Series 305 Sprints - Winged, Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod, IMCA Stock Car, IMCA RaceSaver Sprint Car | Results | | Shawn Williams (600cc Modifieds) | 1st | - | - | 3rd |
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| 5/1/2021 | Southern Oklahoma Speedway - Ardmore, OK TOMS A Modifieds: TOMS - Touring Outlaw Modified Series Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod, IMCA Stock Car | Results | | Shawn Williams (600cc Modifieds) | 4th | - | 2nd | 8th |
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| 5/8/2021 | Southern Oklahoma Speedway - Ardmore, OK Regular Night of Racing Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod, IMCA Modified, IMCA Stock Car | Results | | Shawn Williams (600cc Modifieds) | 2nd | - | - | 3rd |
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| 5/15/2021 | Southern Oklahoma Speedway - Ardmore, OK Hobby Stocks, Stock Cars, Non-Winged Sprints, 305 Sprints - Non-Winged, 600cc Modifieds, Limited Sport Mod | Results | | Shawn Williams (600cc Modifieds) | 2nd | - | - | 3rd |
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| 5/22/2021 | Southern Oklahoma Speedway - Ardmore, OK Regular Night of Racing Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod, IMCA Modified | Results | | Shawn Williams (600cc Modifieds) | 1st | - | - | - |
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| 5/29/2021 | Southern Oklahoma Speedway - Ardmore, OK Regular Night of Racing - Topless Mods Hobby Stocks, 600cc Modifieds, Limited Modified | Results | | Shawn Williams (600cc Modifieds) | 2nd | - | - | 1st |
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| 6/12/2021 | Southern Oklahoma Speedway - Ardmore, OK Regular Night Racing - Hobby/Factory, Eco Mods, Stock Car, Sport Mods Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod | Results | | Shawn Williams (600cc Modifieds) | 1st | - | - | 20th |
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| 6/19/2021 | Southern Oklahoma Speedway - Ardmore, OK Regular Night of Racing Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod, IMCA Modified | Results | | Shawn Williams (600cc Modifieds) | 1st | - | - | 23rd |
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| 6/20/2021 | Rocket Raceway Park - Petty, TX 82 Speedway Hobby Stocks, Stock Cars, 600cc Modifieds, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks | Results | | Shawn Williams (600cc Modifieds) | 1st | - | - | 1st |
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| 6/26/2021 | Southern Oklahoma Speedway - Ardmore, OK Champ 360 Sprints - Winged: Oil Capital Racing Series Hobby Stocks, Stock Cars, A Modifieds, 600cc Modifieds, Limited Sport Mod | Results | | Shawn Williams (600cc Modifieds) | 1st | - | - | 22nd |
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| 7/3/2021 | Southern Oklahoma Speedway - Ardmore, OK All Star - $1000 to Win IMCA Mods, Hobby Stocks, 600cc Modifieds, Limited Sport Mod, IMCA Modified | Results | | Shawn Williams (600cc Modifieds) | 6th | - | - | 5th |
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| 7/10/2021 | Southern Oklahoma Speedway - Ardmore, OK TOMS A Modifieds: TOMS - Touring Outlaw Modified Series Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod | Results | | Shawn Williams (600cc Modifieds) | 1st | - | - | 19th |
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| 7/17/2021 | Southern Oklahoma Speedway - Ardmore, OK Regular Night of Racing Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod, Pure Stock, IMCA Modified | Results | | Shawn Williams (600cc Modifieds) | - | - | - | - |
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| 7/24/2021 | Southern Oklahoma Speedway - Ardmore, OK Texas Sprint Series 305 Sprints - Winged: Texas Sprint Series Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod, IMCA RaceSaver Sprint Car | Results | | Shawn Williams (600cc Modifieds) | 4th | - | - | 13th |
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| 7/31/2021 | Southern Oklahoma Speedway - Ardmore, OK Regular Night of Racing Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod, IMCA Modified | Results | | Shawn Williams (600cc Modifieds) | 2nd | - | - | 3rd |
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| 8/7/2021 | Southern Oklahoma Speedway - Ardmore, OK TOMS A Modifieds: TOMS - Touring Outlaw Modified Series Factory Stocks, Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod | Results | | Shawn Williams (600cc Modifieds) | 3rd | - | - | 3rd |
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| 8/21/2021 | Southern Oklahoma Speedway - Ardmore, OK Demolition Derby/Late Models Dirt Late Models: American Crate Late Model Series Hobby Stocks, Stock Cars, Midwest Modifieds, Hornets, 600cc Modifieds, Limited Sport Mod | Results | | Shawn Williams (600cc Modifieds) | 2nd | - | - | 5th |
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| 9/4/2021 | Grayson County Speedway - Bells, TX Full Program Non - IMCA Mod Points Night Factory Stocks, Hobby Stocks, 600cc Modifieds, IMCA Modified, IMCA Southern SportMod | Results | | Shawn Williams (Hobby Stocks) | 7th | - | - | 10th |
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| 9/11/2021 | Grayson County Speedway - Bells, TX Race Program / TSS Sprints Factory Stocks, Hobby Stocks, 600cc Modifieds, IMCA Southern SportMod, IMCA RaceSaver Sprint Car | Results | | Shawn Williams (Hobby Stocks) | 3rd | - | - | 1st |
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| 9/18/2021 | Grayson County Speedway - Bells, TX Full Program Factory Stocks, Hobby Stocks, 600cc Modifieds, IMCA Modified, IMCA Southern SportMod | Results | | Shawn Williams (Hobby Stocks) | 1st | - | - | 22nd (DNF) |
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| 9/25/2021 | Grayson County Speedway - Bells, TX Race Program / Toms - Touring Outlaw Modified Series A Modifieds: TOMS - Touring Outlaw Modified Series Factory Stocks, Hobby Stocks, 600cc Modifieds, IMCA Southern SportMod | Results | | Shawn Williams (Hobby Stocks) | 2nd | - | - | 14th (DNF) |
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| 10/1/2021 | Kennedale Speedway Park - Kennedale, TX 15th ANNUAL SUMMIT EQUIPMENT SHOWDOWN Factory Stocks, B Modifieds, IMCA Modified, IMCA Southern SportMod, IMCA Stock Car, IMCA Sport Compact | Postponed |
| 10/9/2021 | Grayson County Speedway - Bells, TX Patsy Peters Memorial Race Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, 600cc Modifieds, Limited Sport Mod | Results | | Shawn Williams (Hobby Stocks) | 3rd | - | - | 18th |
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| 10/15/2021 | Southern Oklahoma Speedway - Ardmore, OK TOMS Nationals - Night 1 A Modifieds: TOMS - Touring Outlaw Modified Series Hobby Stocks, Limited Sport Mod | Results | | Shawn Williams (Limited Sport Mod) | 5th | - | - | - |
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| 10/16/2021 | Southern Oklahoma Speedway - Ardmore, OK TOMS Nationals - Night 2 A Modifieds: TOMS - Touring Outlaw Modified Series Hobby Stocks, Limited Sport Mod | Results | | Shawn Williams (Limited Sport Mod) | - | - | 14th | 17th |
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| 10/29/2021 | Southern Oklahoma Speedway - Ardmore, OK 17 Annual Jordan Page Winter Nationals - Night 1 Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod, IMCA Modified | Results | | Shawn Williams (600cc Modifieds) | DNS | - | - | - |
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| 10/30/2021 | Southern Oklahoma Speedway - Ardmore, OK 17th Annual Jordan Page Winter Nationals - Night 2 Hobby Stocks, Stock Cars, 600cc Modifieds, Limited Sport Mod, IMCA Modified | Results | | Shawn Williams (600cc Modifieds) | - | - | 1st | 23rd |
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| 11/6/2021 | Kennedale Speedway Park - Kennedale, TX 15th ANNUAL SUMMIT EQUIPMENT SHOWDOWN Factory Stocks, B Modifieds, IMCA Modified, IMCA Southern SportMod, IMCA Stock Car | Results | | Shawn Williams (B Modifieds) | 4th | - | - | 11th |
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