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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 | | Mason Keefer (360 Sprints - Winged) | 4th | - | - | 5th |
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| 3/17/2018 | Arizona Speedway - Queen Creek, AZ Hobby Stocks, B Modifieds, 360 Sprints - Non-Winged, 600cc Modifieds, Pure Stock | Results | | Mason Keefer (360 Sprints - Non-Winged) | 6th | - | - | 16th |
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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 | | Mason Keefer (360 Sprints - Winged) | 5th | - | - | 11th |
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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 | | Mason Keefer (360 Sprints - Winged) | 2nd | - | - | 13th |
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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 | | Mason Keefer (360 Sprints - Winged) | 8th | - | - | 11th |
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| 6/27/2018 | Delta Speedway - Stockton, CA California Speed Week Winged Outlaw, Restricted 'A' Class, Winged A-Class, Stock Non-Wing | Results | | Mason Keefer (Stock Non-Wing) | 9th | - | 6th | - |
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| 6/29/2018 | Plaza Park Raceway powered by Keller Auto Center - Visalia, CA California Speed Week Winged Outlaw, Non-Wing Outlaw, Restricted 'A' Class, Winged A-Class, Stock Non-Wing | Results | | Mason Keefer (Winged A-Class) | DNS | - | DNS | - | | Mason Keefer (Stock Non-Wing) | 7th | - | 9th | - |
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| 6/30/2018 | Lemoore Jet Bowl - Lemoore, CA California Speed Week Winged Outlaw, Non-Wing Outlaw, Restricted 'A' Class, Winged A-Class, Stock Non-Wing, Junior Sprints | Dropped |
| 7/27/2018 | Deuce of Clubs Thunder Raceway - Show Low, AZ 360 Sprints - Non-Winged: NMMRA-New Mexico Motor Racing Association Winged Outlaw | Results | | Mason Keefer (360 Sprints - Non-Winged) | 7th | - | - | 6th |
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| 7/28/2018 | Deuce of Clubs Thunder Raceway - Show Low, AZ 360 Sprints - Non-Winged: NMMRA-New Mexico Motor Racing Association Non-Wing Outlaw | Results | | Mason Keefer (360 Sprints - Non-Winged) | 5th | - | - | 7th |
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| 9/1/2018 | Deuce of Clubs Thunder Raceway - Show Low, AZ 360 Sprints - Winged: ASCS Southwest Region Winged Outlaw | Results | | Mason Keefer (360 Sprints - Winged) | 4th | - | - | 14th |
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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 | | Mason Keefer (360 Sprints - Winged) | 7th | - | - | 8th |
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| 9/28/2018 | Arizona Speedway - Queen Creek, AZ Hall of Fame Classic Non-Winged Sprints: San Tan Ford ASCS Desert Sprint Car Series Winged Outlaw, 410 Sprints - Non-Winged, 360 Sprints - Non-Winged | Results | | Mason Keefer (Winged Outlaw) | 1st | - | - | 3rd |
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| 9/29/2018 | Arizona Speedway - Queen Creek, AZ Hall of Fame Classic Non-Winged Sprints: San Tan Ford ASCS Desert Sprint Car Series 410 Sprints - Winged, Winged Outlaw | Results | | Mason Keefer (Winged Outlaw) | 1st | - | - | 3rd |
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| 10/19/2018 | Canyon Speedway Park - Peoria, AZ 360 Sprints - Winged: ASCS Southwest Region | Results | | Mason Keefer (360 Sprints - Winged) | 4th | - | - | 6th |
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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 | | Mason Keefer (360 Sprints - Winged) | 6th | - | 10th | - |
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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 | | Mason Keefer (360 Sprints - Winged) | 5th | - | DNS | - |
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| 12/31/2018 | Tulsa Expo Raceway - Tulsa, OK Early Parking Winged Outlaw: Tulsa Shootout Non-Wing Outlaw, Restricted 'A' Class, Winged A-Class, Stock Non-Wing, Junior Sprints, 600cc Modifieds | Results | | Mason Keefer (Non-Wing Outlaw) | - | - | - | - | | Mason Keefer (Stock Non-Wing) | - | - | - | - |
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