| | Heat | Dash | B Feature | A Feature |
|---|
|
|---|
| 5/3/2025 | I-90 Speedway - Hartford, SD SEASON OPENER 305 Sprints - Winged, Street Stocks, USRA B-Mods, USRA Hobby Stocks | Results | | Mason Slendy (305 Sprints - Winged) | 6th | - | 4th | - |
|
| 5/10/2025 | I-90 Speedway - Hartford, SD RPM Racing Series 305 Sprints - Winged, Street Stocks, USRA B-Mods, USRA Hobby Stocks | Results | | Mason Slendy (305 Sprints - Winged) | 1st | - | - | 4th |
|
| 5/25/2025 | Huset's Speedway - Brandon, SD BillionAuto.com Memorial Weekend Doubleheader 410 Sprints - Winged, 305 Sprints - Winged, Street Stocks, IMCA RaceSaver Sprint Car | Results | | Mason Slendy (410 Sprints - Winged) | 8th | - | 15th (DNF) | - |
|
| 5/30/2025 | Rapid Speedway - Rock Rapids, IA Ladies Night! DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, IMCA RaceSaver Sprint Car | Results | | Mason Slendy (IMCA RaceSaver Sprint Car) | 3rd | - | - | 14th (DNF) |
|
| 5/31/2025 | I-90 Speedway - Hartford, SD RPM Racing Series 305 Sprints - Winged, Street Stocks, USRA B-Mods, USRA Hobby Stocks | Results | | Mason Slendy (305 Sprints - Winged) | 3rd | - | - | 8th |
|
| 6/7/2025 | I-90 Speedway - Hartford, SD RaceSaver Sprint Special & RPM Racing Series 305 Sprints - Winged, Street Stocks, USRA B-Mods, USRA Hobby Stocks | Results | | Mason Slendy (305 Sprints - Winged) | 4th | - | - | 20th (DNF) |
|
| 6/13/2025 | Rapid Speedway - Rock Rapids, IA 305 Sprints + Regular Classes DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, IMCA RaceSaver Sprint Car | Results | | Mason Slendy (IMCA RaceSaver Sprint Car) | 1st | - | - | 10th |
|
| 6/14/2025 | I-90 Speedway - Hartford, SD KIDS NIGHT! RPM Racing Series 305 Sprints - Winged, Street Stocks, USRA B-Mods, USRA Hobby Stocks | Results | | Mason Slendy (305 Sprints - Winged) | 5th | - | 2nd | 11th |
|
| 6/27/2025 | Rapid Speedway - Rock Rapids, IA Great Bike Giveaway DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, IMCA RaceSaver Sprint Car | Results | | Mason Slendy (IMCA RaceSaver Sprint Car) | 2nd | - | - | 7th |
|
| 6/28/2025 | I-90 Speedway - Hartford, SD FIREWORKS Show & RPM Racing Series 305 Sprints - Winged, Street Stocks, USRA B-Mods, USRA Hobby Stocks | Results | | Mason Slendy (305 Sprints - Winged) | 5th | - | 1st | 12th |
|
| 7/5/2025 | I-90 Speedway - Hartford, SD Driver Meet & Greet! RPM Racing Series 305 Sprints - Winged, Street Stocks, USRA B-Mods, USRA Hobby Stocks | Results | | Mason Slendy (305 Sprints - Winged) | 3rd | - | - | 5th |
|
| 7/12/2025 | I-90 Speedway - Hartford, SD RaceSaver Sprint Special & RPM Racing Series 305 Sprints - Winged, Street Stocks, USRA B-Mods, USRA Hobby Stocks | Results | | Mason Slendy (305 Sprints - Winged) | 4th | - | - | 12th |
|
| 7/18/2025 | Rapid Speedway - Rock Rapids, IA Christmas in July! DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, IMCA RaceSaver Sprint Car | Results | | Mason Slendy (IMCA RaceSaver Sprint Car) | 4th | - | - | 11th |
|
| 7/22/2025 | Rapid Speedway - Rock Rapids, IA Lyon County Fair Races Presented by Folkens Brothers Trucking 410 Sprints - Winged: Midwest Sprint Touring Series DIRTcar Late Models, IMCA RaceSaver Sprint Car | Results | | Mason Slendy (IMCA RaceSaver Sprint Car) | 1st | - | - | 11th |
|
| 7/25/2025 | Jackson Motorplex - Jackson, MN C & B Border Battle #2 by New Fashion Pork & SW Broadband - MSTS 410 Sprint Cars & Racesavers 410 Sprints - Winged: Midwest Sprint Touring Series IMCA RaceSaver Sprint Car | Results | | Mason Slendy (IMCA RaceSaver Sprint Car) | 4th | - | - | 15th |
|
| 7/26/2025 | I-90 Speedway - Hartford, SD RPM Racing Series 305 Sprints - Winged, Street Stocks, USRA B-Mods, USRA Hobby Stocks | Results | | Mason Slendy (305 Sprints - Winged) | 6th | - | 6th | - |
|