| | Heat | Dash | B Feature | A Feature |
|---|
|
|---|
| 5/18/2012 | Rapid Speedway - Rock Rapids, IA 410 Outlaw Sprint Special 410 Sprints - Winged, Hobby Stocks, Stock Cars, B Modifieds, Limited 360 Sprints - Non-Winged | Results | | Jeff Coster (Stock Cars) | 5th | - | - | 11th |
|
| 6/1/2012 | Rapid Speedway - Rock Rapids, IA Regular Scheduled Race Event DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds, Limited 360 Sprints - Non-Winged | Results | | Jeff Coster (Stock Cars) | 6th | - | - | 10th (DNF) |
|
| 6/15/2012 | Rapid Speedway - Rock Rapids, IA 360 Winged Sprint Car Special! 360 Sprints - Winged, DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds, Limited 360 Sprints - Non-Winged | Results | | Jeff Coster (Stock Cars) | 5th | - | - | 11th (DNF) |
|
| 6/22/2012 | Rapid Speedway - Rock Rapids, IA 410 Outlaw Sprint Special - Presented by Frontier Bank 410 Sprints - Winged, DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds, Limited 360 Sprints - Non-Winged | Results | | Jeff Coster (Stock Cars) | 5th | - | - | 9th (DNF) |
|
| 6/29/2012 | Rapid Speedway - Rock Rapids, IA Regular Scheduled Race Event DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds, Limited 360 Sprints - Non-Winged | Results | | Jeff Coster (Stock Cars) | 3rd | - | - | 10th |
|
| 7/6/2012 | Rapid Speedway - Rock Rapids, IA 360 Sprints - Winged: ASCS National with ASCS Midwest Region Stock Cars, B Modifieds, Limited 360 Sprints - Non-Winged | Results | | Jeff Coster (Stock Cars) | 4th | - | - | 8th |
|
| 7/20/2012 | Rapid Speedway - Rock Rapids, IA Hobby Stock Special Presented by Hickory Tech DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds, Limited 360 Sprints - Non-Winged | Results | | Jeff Coster (Stock Cars) | 5th (DNF) | - | - | 8th |
|
| 8/10/2012 | Rapid Speedway - Rock Rapids, IA Double Feature Night for Hobbys and Stock Cars! DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds, Limited 360 Sprints - Non-Winged | Results | | Jeff Coster (Stock Cars) | 1st | - | - | 6th |
|