| | Heat | Dash | B Feature | A Feature |
|---|
|
|---|
| 4/25/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Corey Gronewold (IMCA Hobby Stock) | 3rd | - | - | 17th |
|
| 5/14/2021 | Murray County Speedway - Slayton, MN Opening Night of 2021 Season Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 6th | - | - | 9th |
|
| 5/21/2021 | Murray County Speedway - Slayton, MN Regular Night Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 3rd | - | - | 2nd |
|
| 5/22/2021 | Worthington Speedway - Worthington, MN Season Opener Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 5th | - | - | 7th |
|
| 5/25/2021 | Jackson Motorplex - Jackson, MN Bank Midwest IMCA Series presented by Zac's Trailer Sales Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Corey Gronewold (Hobby Stocks) | 8th (DNF) | - | DNS | - |
|
| 5/29/2021 | Worthington Speedway - Worthington, MN Regular Night Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 2nd | - | - | 7th |
|
| 5/31/2021 | Fairmont Raceway - Fairmont, MN Memorial Day Special Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 2nd | - | - | 3rd |
|
| 6/4/2021 | Murray County Speedway - Slayton, MN Regular Night Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 3rd | - | - | 1st |
|
| 6/5/2021 | Worthington Speedway - Worthington, MN Regular Night Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 6th (DNF) | - | - | 18th (DNF) |
|
| 6/8/2021 | Jackson Motorplex - Jackson, MN Bank Midwest IMCA Series Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, IMCA Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 5th | - | - | 7th |
|
| 6/11/2021 | Murray County Speedway - Slayton, MN Regular Night - Sponsored by Pizza Ranch of Slayton Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 5th | - | - | 8th |
|
| 6/12/2021 | Worthington Speedway - Worthington, MN Regular Night Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 6th (DNF) | - | - | 12th |
|
| 6/18/2021 | Murray County Speedway - Slayton, MN Regular Night - Sponsored by Rrowdy's Radiator & Diesen Repair and Avoca Spray Service of Slayton Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 4th | - | - | 11th (DNF) |
|
| 6/19/2021 | Worthington Speedway - Worthington, MN Salute to Ag Night Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 2nd | - | - | 7th |
|
| 6/25/2021 | Murray County Speedway - Slayton, MN $1500 Stock Car Special with Limited Late Models Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Vintage Full Body Stock Cars, Sport Compact, Dirt Limited Late Models | Results | | Corey Gronewold (Hobby Stocks) | 6th | - | - | 13th (DNF) |
|
| 6/27/2021 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Series IMCA Modified: Midwest Madness Tour IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Corey Gronewold (IMCA Hobby Stock) | 2nd | - | - | 8th |
|
| 6/29/2021 | Clay County Fair Speedway - Spencer, IA Midwest Madness Tour IMCA Modified: Midwest Madness Tour IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Corey Gronewold (IMCA Hobby Stock) | 7th | - | 1st | 12th |
|
| 6/30/2021 | Buena Vista Raceway - Alta, IA Midwest Madness Tour/Kyle Suter Memorial Race IMCA Modified: Midwest Madness Tour Hobby Stocks, Stock Cars, B Modifieds, Sport Compact, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Corey Gronewold (IMCA Hobby Stock) | 1st | - | - | 2nd |
|
| 7/1/2021 | Stuart Speedway - Stuart, IA Ron Little Memorial IMCA Modified: Midwest Madness Tour 600cc Modifieds, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Corey Gronewold (IMCA Hobby Stock) | 6th | - | - | 11th |
|
| 7/2/2021 | Murray County Speedway - Slayton, MN Emergency Services Night with Late Model Street Stocks Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Street Stocks, Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 1st | - | - | 2nd |
|
| 7/11/2021 | Worthington Speedway - Worthington, MN SUNDAY NIGHT RACES Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 2nd | - | - | 17th (DNF) |
|
| 7/16/2021 | Murray County Speedway - Slayton, MN Hall of Fame Night & Swede Anderson/Gary Muecke Mod Special Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 1st | - | - | 4th |
|
| 7/17/2021 | Worthington Speedway - Worthington, MN Regular Night Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 1st | - | - | 3rd |
|
| 7/20/2021 | Jackson Motorplex - Jackson, MN Bank Midwest IMCA Series Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, IMCA Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | DNS | - | - | DNS |
|
| 7/23/2021 | Murray County Speedway - Slayton, MN Regular Night with IMCA 305 Sprints 305 Sprints - Winged, Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 3rd | - | - | 12th (DNF) |
|
| 7/24/2021 | Worthington Speedway - Worthington, MN Regular Night Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 5th (DNF) | - | - | 4th |
|
| 7/31/2021 | Worthington Speedway - Worthington, MN Regular Night Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 1st | - | - | 3rd |
|
| 8/13/2021 | Murray County Speedway - Slayton, MN Jerry "Mahoney" Gronewold Hobby Special, plus Vintage Race Shirt Night Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 4th | - | - | 16th (DNF) |
|
| 8/21/2021 | Worthington Speedway - Worthington, MN Regular Night Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | DNS | - | - | 18th |
|
| 8/28/2021 | Worthington Speedway - Worthington, MN Season Championship Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 2nd | - | - | 12th (DNF) |
|
| 8/29/2021 | Fairmont Raceway - Fairmont, MN Bacon Town Showdown / Kids Night Make up Race - No Karts Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Street Stocks, Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 4th (DNF) | - | - | 8th |
|
| 9/19/2021 | Worthington Speedway - Worthington, MN King Turkey Day Races Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 2nd | - | - | 8th |
|
| 10/9/2021 | Murray County Speedway - Slayton, MN Hub City Rumble - Repairable Vehicles.com Tri State Late Models Dirt Late Models: Tri-State Late Models Factory Stocks, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Corey Gronewold (Hobby Stocks) | 2nd | - | - | 20th |
|