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| 4/21/2018 | Boone Speedway - Boone, IA Opening Points Night Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Donavon Smith (Street Stocks) | 2nd | - | - | 8th |
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| 4/28/2018 | Boone Speedway - Boone, IA Saturday Night Series #2 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Donavon Smith (Street Stocks) | 1st | - | - | 5th |
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| 5/5/2018 | Boone Speedway - Boone, IA Saturday Night Series #3 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Donavon Smith (Street Stocks) | 2nd | - | - | 17th |
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| 5/12/2018 | Boone Speedway - Boone, IA Saturday Night Series #4 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Donavon Smith (Street Stocks) | 6th | - | - | 7th |
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| 5/18/2018 | Crawford County Speedway - Denison, IA Pizza Ranch Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Donavon Smith (Stock Cars) | 6th | - | - | 6th |
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| 5/19/2018 | Boone Speedway - Boone, IA Saturday Night Series #5 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Donavon Smith (Street Stocks) | 2nd | - | - | 2nd |
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| 5/26/2018 | Boone Speedway - Boone, IA Saturday Night Series #6 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Donavon Smith (Street Stocks) | 2nd | - | - | 9th |
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| 5/28/2018 | Boone Speedway - Boone, IA IMCA Late Models: Deery Brothers Summer Series Hobby Stocks, B Modifieds, Street Stocks | Results | | Donavon Smith (Street Stocks) | 1st | - | - | 2nd |
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| 5/30/2018 | Buena Vista Raceway - Alta, IA Ross Parcel Landscapes- IMCA Weekly Racing Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Donavon Smith (Stock Cars) | 3rd (DNF) | - | - | 11th (DNF) |
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| 6/2/2018 | Boone Speedway - Boone, IA Saturday Night Series #7 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Donavon Smith (Street Stocks) | 4th | - | - | 2nd |
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| 6/6/2018 | Buena Vista Raceway - Alta, IA CS Agrow-RaceSaver Sprint Car Special/IMCA Weekly Racing 305 Sprints - Winged, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Donavon Smith (Stock Cars) | 1st | - | - | 2nd |
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| 6/9/2018 | Boone Speedway - Boone, IA Saturday Night Series #8 305 Sprints - Winged, Hobby Stocks, Dirt Mini Trucks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Donavon Smith (Street Stocks) | 3rd | - | - | 2nd |
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| 6/13/2018 | Buena Vista Raceway - Alta, IA Air Source One-Jimmy Squibb Memorial Hobby Stock Special/ IMCA Weekly Racing Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Donavon Smith (Stock Cars) | 6th | - | - | 15th (DNF) |
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| 6/16/2018 | Boone Speedway - Boone, IA Saturday Night Series #9 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Donavon Smith (Street Stocks) | 2nd | - | - | 2nd |
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| 6/23/2018 | Boone Speedway - Boone, IA Saturday Night Series #10 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Donavon Smith (Street Stocks) | 9th | - | - | 9th |
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| 6/27/2018 | Buena Vista Raceway - Alta, IA Hondo's Sales and Service & KCHE Radio- Sport Modified Special/ IMCA Weekly Racing Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Donavon Smith (Stock Cars) | 1st | - | - | 1st |
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| 7/3/2018 | Buena Vista Raceway - Alta, IA North Central Line Service's Kyle Suter Memorial Stock Car Shoot Out-IMCA Weekly Racing Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Donavon Smith (Stock Cars) | 2nd | - | - | 10th |
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| 7/6/2018 | Crawford County Speedway - Denison, IA Phil's Lawn & Landscape/Totten Plumbing/Staiert Custom Pumping Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Donavon Smith (Stock Cars) | 5th | - | - | 13th |
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| 7/7/2018 | Boone Speedway - Boone, IA Saturday Night Series #12 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Donavon Smith (Street Stocks) | 2nd | - | - | 2nd |
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| 7/11/2018 | Buena Vista Raceway - Alta, IA Ag Partners- Buena Vista County Fair- Sport Compact Special/ IMCA Weekly Racing Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Donavon Smith (Stock Cars) | 3rd | - | - | 6th |
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| 7/14/2018 | Boone Speedway - Boone, IA Saturday Night Series #13 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Donavon Smith (Street Stocks) | 3rd | - | - | 9th |
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| 7/21/2018 | Boone Speedway - Boone, IA Saturday Night Series #14 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Donavon Smith (Street Stocks) | 3rd | - | - | 9th |
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| 7/24/2018 | Hancock County Speedway - Britt, IA Dirt Knights Tour Presented by the Hancock County District Fair Hobby Stocks, Stock Cars, A Modifieds, B Modifieds | Results | | Donavon Smith (Stock Cars) | 3rd | - | - | 5th |
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| 7/27/2018 | Hancock County Speedway - Britt, IA Hobo 100 @ the Hancock County Fair presented by McNeese Tire & Communications 1 Network Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Donavon Smith (Stock Cars) | 3rd | - | 3rd | 26th (DNF) |
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| 7/28/2018 | Boone Speedway - Boone, IA Saturday Night Series #15 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Donavon Smith (Street Stocks) | 3rd | - | - | 6th |
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| 8/1/2018 | Buena Vista Raceway - Alta, IA Greg Haldin Construction- IMCA Weekly Racing Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Donavon Smith (Stock Cars) | 5th | - | - | 4th |
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| 8/4/2018 | Boone Speedway - Boone, IA Saturday Night Series #16 Hobby Stocks, Dirt Mini Trucks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Donavon Smith (Street Stocks) | 5th | - | - | 5th |
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| 8/8/2018 | Buena Vista Raceway - Alta, IA North Lake Truck Repair- IMCA Weekly Racing Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Donavon Smith (Stock Cars) | 2nd | - | - | 6th |
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| 8/11/2018 | Boone Speedway - Boone, IA Saturday Night Series #17 Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Donavon Smith (Street Stocks) | 5th | - | - | 1st |
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| 8/15/2018 | Buena Vista Raceway - Alta, IA Hawk-I Plumbing and Electric Inc. Season Championship- IMCA Weekly Racing Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Donavon Smith (Stock Cars) | 4th | - | - | 6th |
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| 8/18/2018 | Boone Speedway - Boone, IA Saturday Night Series #18 Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Donavon Smith (Street Stocks) | 5th | - | - | 24th |
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| 8/25/2018 | Boone Speedway - Boone, IA Season Championship - Saturday Night Series #19 Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds | Results | | Donavon Smith (Street Stocks) | - | - | - | 2nd |
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| 9/5/2018 | Boone Speedway - Boone, IA 2018 IMCA Super Nationals A Modifieds, Street Stocks | Results | | Donavon Smith (Street Stocks) | 2nd | - | - | 27th |
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| 9/6/2018 | Boone Speedway - Boone, IA 2018 IMCA Super Nationals A Modifieds, Midwest Modifieds, Street Stocks, Vintage Full Body Stock Cars | Results | | Donavon Smith (Street Stocks) | 2nd | - | - | - | | Donavon Smith (Vintage Full Body Stock Cars) | 4th | - | - | - |
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| 9/8/2018 | Boone Speedway - Boone, IA 2018 IMCA Super Nationals Hobby Stocks, A Modifieds, Midwest Modifieds, B Modifieds, Street Stocks, Vintage Full Body Stock Cars, Vintage Modifieds, Generic 1 | Results | | Donavon Smith (Street Stocks) | - | - | - | - |
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