| | Heat | Dash | B Feature | A Feature |
|---|
|
|---|
| 3/5/2021 | RPM Speedway - Crandall, TX Texas Spring Nationals Night 1 A Modifieds: USMTS - United States Modified Touring Series Dwarf, Limited Sport Mod, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Michael Marusak (USRA Factory Stocks) | 3rd | - | - | 19th |
|
| 3/6/2021 | RPM Speedway - Crandall, TX Texas Spring Nationals Night 2 A Modifieds: USMTS - United States Modified Touring Series Limited Sport Mod, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Michael Marusak (USRA Factory Stocks) | 3rd | - | - | 16th |
|
| 4/2/2021 | RPM Speedway - Crandall, TX 305 Sprints - Non-Winged, Limited Sport Mod, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners | Results | | Michael Marusak (USRA Factory Stocks) | 7th | - | - | 14th |
|
| 4/3/2021 | Kennedale Speedway Park - Kennedale, TX Factory Stocks, Dwarf, IMCA Modified, IMCA Southern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Michael Marusak (Factory Stocks) | 3rd | - | - | 7th |
|
| 4/10/2021 | Rocket Raceway Park - Petty, TX $5,000/win FACTORY STOCKS! TEXAS SPRINT SERIES! 305 Sprints - Winged: Texas Sprint Series Hobby Stocks, Stock Cars, 600cc Modifieds, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, IMCA RaceSaver Sprint Car | Results | | Michael Marusak (USRA Factory Stocks) | 11th | - | 17th | - |
|
| 4/24/2021 | Kennedale Speedway Park - Kennedale, TX Factory Stocks, Stock Cars, 305 Sprints - Non-Winged, IMCA Southern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Michael Marusak (Factory Stocks) | 4th | - | 5th | 12th |
|
| 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 | | Michael Marusak (Hobby Stocks) | 6th | - | 15th | - |
|
| 6/12/2021 | Kennedale Speedway Park - Kennedale, TX TRAILER RACE Factory Stocks, Dwarf, IMCA Modified, IMCA Southern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Michael Marusak (Factory Stocks) | 2nd | - | - | 3rd |
|
| 6/25/2021 | RPM Speedway - Crandall, TX KR Cup Round #9 Limited Sport Mod, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners, Dirt Big Block Modifieds | Results | | Michael Marusak (USRA Factory Stocks) | 7th | - | - | 16th |
|
| 7/3/2021 | Hunt County Raceway - Greenville, TX S.T.E.M.S.(Southern Topless Economy Modifieds) Fireworks Stock Cars, Restricted 'A' Class, Winged A-Class, Limited Modified, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Michael Marusak (USRA Factory Stocks) | 2nd | - | - | 4th |
|
| 7/10/2021 | Hunt County Raceway - Greenville, TX IMCA Mod Lites Stock Cars, Restricted 'A' Class, Winged A-Class, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Michael Marusak (USRA Factory Stocks) | 5th | - | 3rd | 9th |
|
| 7/23/2021 | RPM Speedway - Crandall, TX KR Cup Round #11 Limited Sport Mod, USRA Limited Mods, USRA Modifieds, USRA Factory Stocks, USRA Tuners | Results | | Michael Marusak (USRA Factory Stocks) | DNS | - | - | 1st |
|
| 7/24/2021 | Hunt County Raceway - Greenville, TX IMCA Mod Lites, Stock Cars, A Modifieds, Restricted 'A' Class, Winged A-Class, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Michael Marusak (USRA Factory Stocks) | 2nd | - | - | 6th |
|
| 8/14/2021 | Kennedale Speedway Park - Kennedale, TX STEMS + FACTORY STOCK 1 ON 1 Factory Stocks, Stock Cars, Limited Modified, IMCA Southern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Michael Marusak (Factory Stocks) | 5th | - | 5th | 21st |
|
| 9/4/2021 | RPM Speedway - Crandall, TX 7th Annual Bryan Mize Memorial USRA Modifieds: USRA American Racer Modified Series A Modifieds, Dwarf, Limited Modified, USRA Limited Mods, USRA Factory Stocks | Results | | Michael Marusak (USRA Factory Stocks) | 2nd | - | - | 7th |
|
| 9/5/2021 | RPM Speedway - Crandall, TX 3rd Annual Ronny Sigman Memorial Dirt Late Models: XR Southern Storm USRA Modifieds: USRA American Racer Modified Series A Modifieds, Limited Sport Mod, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Michael Marusak (USRA Factory Stocks) | 3rd | 8th | - | 16th |
|
| 9/18/2021 | Hunt County Raceway - Greenville, TX ASCS Lone Star Region, Mini Mods of Texas, Weekly Classes 360 Sprints - Winged: ASCS Lone Star Region Stock Cars, Pro Legends, Super Stocks, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Michael Marusak (USRA Factory Stocks) | 1st | - | - | 6th |
|
| 9/25/2021 | Big O Speedway - Ennis, TX Jimmy Allard Family and Friends Classic DIRTcar Late Models, Factory Stocks, Hornets, Limited Sport Mod, USRA Modifieds, USRA Factory Stocks, Dirt Winged Modifieds, Figure 8 - FWD Stock | Results | | Michael Marusak (USRA Factory Stocks) | 2nd | - | - | 7th |
|
| 10/23/2021 | RPM Speedway - Crandall, TX Inaugural Cowboy Up Classic USRA Modifieds: USRA American Racer Modified Series Limited Modified, Limited Sport Mod, USRA Limited Mods, USRA Factory Stocks, USRA Tuners | Results | | Michael Marusak (USRA Factory Stocks) | 2nd | - | - | 17th |
|