| | Heat | Dash | B Feature | A Feature |
|---|
|
|---|
| 4/2/2023 | I-76 Speedway - Fort Morgan, CO Hobby Stocks, Dwarf, 270 Winged Micros, 600cc Modifieds, Enduro, Pure Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Mason Sumner (600cc Modifieds) | - | - | - | - |
|
| 8/4/2023 | I-76 Speedway - Fort Morgan, CO kersey days 600cc Modifieds | Results | | Mason Sumner (600cc Modifieds) | 7th (DNF) | - | 3rd | - |
|
| 8/5/2023 | I-76 Speedway - Fort Morgan, CO Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Dwarf: Rocky Mountain Dwarf Car Racing Lightning Sprints: Rocky Mountain Lightning Sprint Association Hobby Stocks, Non-Winged Sprints, 270 Winged Micros, 600cc Modifieds, Adult Gas Karts, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Mason Sumner (600cc Modifieds) | 8th | - | 6th | - |
|
| 8/19/2023 | I-76 Speedway - Fort Morgan, CO RMDCRA at I-76 Speedway Midgets: POWRi Dwarf: Rocky Mountain Dwarf Car Racing Hobby Stocks, Vintage Modifieds, 270 Winged Micros, 600cc Modifieds, Adult Gas Karts, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Mason Sumner (600cc Modifieds) | 4th | - | - | DNS |
|
| 9/29/2023 | I-76 Speedway - Fort Morgan, CO Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Dwarf: Rocky Mountain Dwarf Car Racing Lightning Sprints: Rocky Mountain Lightning Sprint Association Hobby Stocks, 270 Winged Micros, 600cc Modifieds, Adult Gas Karts, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Mason Sumner (600cc Modifieds) | 6th | - | 2nd | 4th |
|
| 9/30/2023 | I-76 Speedway - Fort Morgan, CO Midgets: POWRi Restricted 'A' Class: NOW600 Restricted Micros Winged A-Class: NOW600 A-Class Micros Dwarf: Rocky Mountain Dwarf Car Racing Lightning Sprints: Rocky Mountain Lightning Sprint Association Hobby Stocks, 270 Winged Micros, 600cc Modifieds, Adult Gas Karts, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Mason Sumner (600cc Modifieds) | 5th | - | 5th | - |
|