| | Heat | Dash | B Feature | A Feature |
|---|
|
|---|
| 4/16/2023 | Interstate Speedway (SD) - Jefferson, SD Open Test N' Tune IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | - | - | - | - |
|
| 4/23/2023 | Interstate Speedway (SD) - Jefferson, SD Interstate Speedway Grand Opening / 53rd Annual IMCA Weekly Racing Season Opener B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 5th | - | - | 9th |
|
| 4/30/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing plus IMCA Race Saver Sprint Cars B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 4th | - | - | 2nd |
|
| 5/20/2023 | Park Jefferson International Speedway - Jefferson, SD Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 2nd | - | - | 9th |
|
| 5/21/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing plus Tri-State Late Models Dirt Late Models: Tri-State Late Models Dirt Super Late Models, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 2nd | - | - | 6th |
|
| 5/27/2023 | Park Jefferson International Speedway - Jefferson, SD Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 2nd | - | - | 11th (DNF) |
|
| 5/29/2023 | Park Jefferson International Speedway - Jefferson, SD $5,000 to win RTI Nationals (Monday) Memorial Day A Modifieds, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 5th | - | - | - |
|
| 5/30/2023 | Park Jefferson International Speedway - Jefferson, SD $5,000 to win RTI Nationals (Tuesday) A Modifieds, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | - | - | - | 19th (DNF) |
|
| 6/4/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 8th (DNF) | - | - | 7th |
|
| 6/10/2023 | Worthington Speedway - Worthington, MN Regular Night Sportsmans, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 3rd | - | - | 5th |
|
| 6/17/2023 | Worthington Speedway - Worthington, MN Regular Night of Racing with Outlaw Mini Mods Sportsmans, A Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | - | - | - | - |
|
| 6/18/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing plus GOTRA Vintage Races B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 2nd | - | - | 4th |
|
| 6/25/2023 | Worthington Speedway - Worthington, MN Midwest Madness Tour IMCA Modified: Midwest Madness Tour Sportsmans, B Modifieds, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 4th | - | - | 7th |
|
| 6/26/2023 | Clay County Fair Speedway - Spencer, IA Midwest Madness Tour IMCA Modified: Midwest Madness Tour A Modifieds, B Modifieds, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 7th | - | 12th | 18th |
|
| 6/27/2023 | Park Jefferson International Speedway - Jefferson, SD Midwest Madness Tour (Tuesday) IMCA Modified: Midwest Madness Tour A Modifieds, B Modifieds, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 3rd | - | - | 7th |
|
| 6/28/2023 | Buena Vista Raceway - Alta, IA Midwest Madness Tour & Kyle Suter Memorial Race IMCA Modified: Midwest Madness Tour A Modifieds, B Modifieds, Street Stocks, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 4th | - | - | 19th (DNF) |
|
| 7/8/2023 | Park Jefferson International Speedway - Jefferson, SD Weekly Racing Dirt Late Models: Tri-State Late Models Dirt Super Late Models, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 2nd | - | - | 6th |
|
| 7/9/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 5th | - | - | 1st |
|
| 7/15/2023 | Worthington Speedway - Worthington, MN Regular Night Sportsmans, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 2nd | - | - | 6th |
|
| 7/16/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing plus IMCA Race Saver Sprint Cars B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 4th | - | - | 7th |
|
| 7/30/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing plus Midwest Classic Stock Cars B Modifieds, Vintage Full Body Stock Cars, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 1st | - | - | 11th (DNF) |
|
| 8/4/2023 | Murray County Speedway - Slayton, MN Regular Night plus Late Model Street Stock, No Mods - Sponsored by Van't Hof Milk Hauling Factory Stocks, Hobby Stocks, Stock Cars, B Modifieds, Street Stocks, Sport Compact | Results | | Geoff Olson (B Modifieds) | 4th | - | - | 4th |
|
| 8/12/2023 | Worthington Speedway - Worthington, MN Regular Night Sportsmans, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 3rd | - | - | 6th |
|
| 8/20/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 1st | - | - | 1st |
|
| 8/27/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 2nd | - | - | 3rd |
|
| 9/3/2023 | Boone Speedway - Boone, IA Wild Rose Casino Double Down Prelude to the Super Nationals delivered by NAPA B Modifieds, IMCA Northern SportMod, IMCA Hobby Stock, Pro Dwarf, IMCA Mod Lite | Results | | Geoff Olson (IMCA Northern SportMod) | 5th | - | 3rd | - |
|
| 9/4/2023 | Boone Speedway - Boone, IA 2023 IMCA Speedway Motors Super Nationals Fueled by Casey's B Modifieds, Vintage Modifieds, Generic 1, IMCA Late Models, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Geoff Olson (IMCA Northern SportMod) | 1st | - | - | - |
|
| 9/5/2023 | Boone Speedway - Boone, IA 2023 IMCA Speedway Motors Super Nationals Fueled by Casey's B Modifieds, Vintage Modifieds, Generic 1, IMCA Northern SportMod, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | DNS | - | DNS | - |
|
| 9/17/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 1st | - | - | 4th |
|
| 9/24/2023 | Interstate Speedway (SD) - Jefferson, SD 53rd Annual Interstate Speedway Season Championships B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 1st | - | - | 1st |
|
| 9/29/2023 | Park Jefferson International Speedway - Jefferson, SD Iron Cup Dirt Super Late Models, B Modifieds, Dirt Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 7th | - | - | 12th |
|
| 9/30/2023 | Park Jefferson International Speedway - Jefferson, SD Iron Cup Dirt Super Late Models, B Modifieds, Dirt Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | - | - | - | 7th |
|
| 10/6/2023 | Interstate Speedway (SD) - Jefferson, SD South Dakota Fall Nationals B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Northern SportMod) | 1st | - | - | - |
|
| 10/7/2023 | Interstate Speedway (SD) - Jefferson, SD South Dakota Fall Nationals B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Geoff Olson (IMCA Modified) | - | - | - | 10th | | Geoff Olson (IMCA Northern SportMod) | - | - | - | 1st |
|