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| 2/28/2018 | Dirt Track at Las Vegas - Las Vegas, NV 410 Sprints - Winged: World of Outlaws 360 Sprints - Non-Winged: USAC Southwest with USAC West Coast Sprint Cars A Modifieds | Results | | Billy Chester III (410 Sprints - Winged) | 9th | - | - | - |
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| 3/1/2018 | Dirt Track at Las Vegas - Las Vegas, NV 410 Sprints - Winged: World of Outlaws 360 Sprints - Non-Winged: USAC Southwest with USAC West Coast Sprint Cars A Modifieds | Results | | Billy Chester III (410 Sprints - Winged) | 9th | - | - | - |
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| 3/3/2018 | Canyon Speedway Park - Peoria, AZ 360 Sprints - Winged: ASCS Southwest Region Winged Outlaw: Power 600 Series Wing Micros | Results | | Billy Chester III (360 Sprints - Winged) | 6th | - | - | 12th |
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| 3/24/2018 | Arizona Speedway - Queen Creek, AZ 360 Sprints - Winged: ASCS Southwest Region Non-Winged Sprints: San Tan Ford ASCS Desert Sprint Car Series Hobby Stocks, A Modifieds, Pure Stock | Results | | Billy Chester III (360 Sprints - Winged) | 2nd | - | - | 2nd |
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| 3/31/2018 | Central Arizona Raceway - Casa Grande, AZ 360 Sprints - Winged: ASCS Southwest Region 410 Sprints - Winged, A Modifieds, B Modifieds, Dwarf, Pure Stock | Results | | Billy Chester III (360 Sprints - Winged) | 7th | - | - | 9th |
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| 4/7/2018 | Arizona Speedway - Queen Creek, AZ Arizona Desert Shootout 410 Sprints - Winged: World of Outlaws Non-Winged Sprints: San Tan Ford ASCS Desert Sprint Car Series | Results | | Billy Chester III (410 Sprints - Winged) | 8th | - | - | 18th |
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| 4/21/2018 | Arizona Speedway - Queen Creek, AZ 360 Sprints - Winged: ASCS Southwest Region Hobby Stocks, A Modifieds, B Modifieds | Results | | Billy Chester III (360 Sprints - Winged) | 3rd | - | - | 2nd |
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| 5/5/2018 | Arizona Speedway - Queen Creek, AZ 360 Sprints - Winged: ASCS Southwest Region Hobby Stocks, A Modifieds, 600cc Modifieds, Pure Stock | Results | | Billy Chester III (360 Sprints - Winged) | 4th | - | - | 5th |
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| 5/12/2018 | Central Arizona Raceway - Casa Grande, AZ 360 Sprints - Winged: ASCS Southwest Region 410 Sprints - Winged, A Modifieds, Restricted 'A' Class, Winged A-Class, B Modifieds, Pure Stock, Pro Dwarf | Results | | Billy Chester III (360 Sprints - Winged) | 6th | - | - | 6th |
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| 5/26/2018 | Southern New Mexico Speedway - Las Cruces, NM 360 Sprints - Winged: ASCS Southwest Region B Modifieds, Street Stocks, Dirt Late Models, Pro Legends, 1200cc Outlaws Winged Minis | Results | | Billy Chester III (360 Sprints - Winged) | 5th | - | - | 13th |
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| 5/27/2018 | Southern New Mexico Speedway - Las Cruces, NM 360 Sprints - Winged: ASCS Southwest Region B Modifieds, Street Stocks, Dirt Late Models, Pro Legends, 1200cc Outlaws Winged Minis | Results | | Billy Chester III (360 Sprints - Winged) | 5th | - | - | 10th |
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| 6/30/2018 | Arizona Speedway - Queen Creek, AZ 360 Sprints - Winged: ASCS Southwest Region Hobby Stocks, A Modifieds, Pure Stock | Results | | Billy Chester III (360 Sprints - Winged) | 2nd | - | - | 4th |
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| 9/1/2018 | Deuce of Clubs Thunder Raceway - Show Low, AZ 360 Sprints - Winged: ASCS Southwest Region Winged Outlaw | Results | | Billy Chester III (360 Sprints - Winged) | 1st | - | - | 5th |
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| 9/2/2018 | Deuce of Clubs Thunder Raceway - Show Low, AZ 360 Sprints - Winged: ASCS Southwest Region Non-Wing Outlaw | Results | | Billy Chester III (360 Sprints - Winged) | 5th | - | - | 11th |
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| 9/15/2018 | Arizona Speedway - Queen Creek, AZ 360 Sprints - Winged: ASCS Southwest Region Hobby Stocks, A Modifieds, B Modifieds, Pure Stock | Results | | Billy Chester III (360 Sprints - Winged) | 1st | - | - | 5th |
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| 10/6/2018 | Arizona Speedway - Queen Creek, AZ 360 Sprints - Winged: ASCS Southwest Region Hobby Stocks, B Modifieds, Dwarf, Pure Stock | Results | | Billy Chester III (360 Sprints - Winged) | 1st | - | - | 6th |
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| 10/19/2018 | Canyon Speedway Park - Peoria, AZ 360 Sprints - Winged: ASCS Southwest Region | Results | | Billy Chester III (360 Sprints - Winged) | 2nd | - | - | 3rd |
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| 11/23/2018 | Arizona Speedway - Queen Creek, AZ 3rd Annual Copper Classic - $2000 to win! 360 Sprints - Winged: ASCS Southwest Region Non-Winged Sprints: San Tan Ford ASCS Desert Sprint Car Series | Results | | Billy Chester III (360 Sprints - Winged) | 6th | - | DNS | - |
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| 11/24/2018 | Arizona Speedway - Queen Creek, AZ 3rd Annual Copper Classic - $5000 to win! 360 Sprints - Winged: ASCS Southwest Region Non-Winged Sprints: San Tan Ford ASCS Desert Sprint Car Series | Results | | Billy Chester III (360 Sprints - Winged) | 1st | - | - | 14th |
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