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| 4/29/2018 | Beaver Dam Raceway - Beaver Dam, WI 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association | Results | | Brandon McMullen (410 Sprints - Winged) | 4th | - | - | 6th |
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| 5/5/2018 | Wilmot Raceway - Wilmot, WI 410 Sprints - Winged: IRA Interstate Racing Association Lightning Sprints: Wisconsin Illinois Mini Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints | Results | | Brandon McMullen (410 Sprints - Winged) | 5th | - | - | 10th |
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| 5/19/2018 | Plymouth Dirt Track-Sheboygan Co Fair - Plymouth, WI IRA (co-sanction) / All Star Challenge I 410 Sprints - Winged: IRA Interstate Racing Association with All Star Circuit of Champions 410 Sprints - Non-Winged | Results | | Brandon McMullen (410 Sprints - Winged) | 1st | 6th | - | - |
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| 5/26/2018 | Beaver Dam Raceway - Beaver Dam, WI 410 Sprints - Winged: IRA Interstate Racing Association Young Lions Legends, Semi-Pro Legends, Pro Legends, Masters Legends, Generic 1 | Results | | Brandon McMullen (410 Sprints - Winged) | 4th | - | - | 6th |
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| 5/27/2018 | 141 Speedway - Maribel, WI 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints Young Lions Legends, Semi-Pro Legends, Pro Legends, Masters Legends, Generic 1 | Results | | Brandon McMullen (410 Sprints - Winged) | 2nd | - | - | 6th |
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| 6/16/2018 | Wilmot Raceway - Wilmot, WI 410 Sprints - Winged: IRA Interstate Racing Association | Results | | Brandon McMullen (410 Sprints - Winged) | 2nd | - | - | 9th |
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| 6/17/2018 | Angell Park Speedway - Sun Prairie, WI Father's Day Festival 410 Sprints - Winged: IRA Interstate Racing Association Economy Midgets: POWRi Division II Midgets Non Wing Crate Sprints: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association | Results | | Brandon McMullen (410 Sprints - Winged) | 1st | - | - | 12th |
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| 6/30/2018 | Dirt Oval at Route 66 - Joliet, IL 410 Sprints - Winged: IRA Interstate Racing Association with All Star Circuit of Champions Non-Winged Sprints: POWRi Lucas Oil WAR Wildcard Sprints 410 Sprints - Non-Winged, Non Wing Crate Sprints | Results | | Brandon McMullen (410 Sprints - Winged) | 8th | - | 6th | - |
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| 7/6/2018 | Dodge County Fairgrounds - Beaver Dam, WI Harry Neitzel Tribute 410 Sprints - Winged: IRA Interstate Racing Association Dirt Late Models: Dirt Kings Late Model Tour | Results | | Brandon McMullen (410 Sprints - Winged) | 4th | - | - | 6th |
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| 7/7/2018 | Fairbury Speedway - Fairbury, IL 410 Sprints - Winged: IRA Interstate Racing Association with MOWA-Midwest Open Wheel Association Midgets: POWRi National Midgets DIRTcar Late Models, DIRTcar UMP Modifieds | Results | | Brandon McMullen (410 Sprints - Winged) | 2nd | - | - | 12th |
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| 7/14/2018 | Plymouth Dirt Track-Sheboygan Co Fair - Plymouth, WI 360 Sprints - Winged, Winged A-Class | Results | | Brandon McMullen (360 Sprints - Winged) | - | - | - | 1st |
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| 7/26/2018 | Angell Park Speedway - Sun Prairie, WI 410 Sprints - Winged: All Star Circuit of Champions Economy Midgets, Badger Midgets | Results | | Brandon McMullen (410 Sprints - Winged) | 9th | - | 4th | 18th |
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| 7/27/2018 | Langlade County Speedway - Antigo, WI Langlade County Fair 410 Sprints - Winged: IRA Interstate Racing Association | Results | | Brandon McMullen (410 Sprints - Winged) | 1st | - | - | 5th |
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| 8/4/2018 | Wilmot Raceway - Wilmot, WI WAR WILDCARD 410 Sprints - Winged: IRA Interstate Racing Association Non-Winged Sprints: POWRi WAR Sprints with POWRi Lucas Oil WAR Wildcard Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints 410 Sprints - Non-Winged | Results | | Brandon McMullen (410 Sprints - Winged) | 2nd | - | - | 3rd |
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| 8/18/2018 | Wilmot Raceway - Wilmot, WI The Kenosha County Fair's Roger Iles Tribute 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints | Results | | Brandon McMullen (410 Sprints - Winged) | 5th | - | - | 12th |
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| 8/19/2018 | Angell Park Speedway - Sun Prairie, WI Miller Lite Cornfest 410 Sprints - Winged: IRA Interstate Racing Association Midgets: POWRi National Midgets Economy Midgets: POWRi Division II Midgets Badger Midgets: Badger Midget Auto Racing Association | Results | | Brandon McMullen (410 Sprints - Winged) | 5th | - | - | 10th |
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| 9/1/2018 | Plymouth Dirt Track-Sheboygan Co Fair - Plymouth, WI Sheboygan County Fair 410 Sprints - Winged: IRA Interstate Racing Association | Results | | Brandon McMullen (410 Sprints - Winged) | 4th | - | - | 5th |
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| 9/8/2018 | Cedar Lake Speedway - New Richmond, WI 410 Sprints - Winged: IRA Interstate Racing Association 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series 360 Sprints - Winged | Results | | Brandon McMullen (410 Sprints - Winged) | 4th | - | - | 23rd (DNF) |
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| 9/22/2018 | Beaver Dam Raceway - Beaver Dam, WI Semmelman Memorial 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association | Results | | Brandon McMullen (410 Sprints - Winged) | 8th (DNF) | - | 1st | 13th |
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| 9/28/2018 | Plymouth Dirt Track-Sheboygan Co Fair - Plymouth, WI 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints | Results | | Brandon McMullen (410 Sprints - Winged) | 5th | - | - | 4th |
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| 9/29/2018 | Plymouth Dirt Track-Sheboygan Co Fair - Plymouth, WI 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints 360 Sprints - Winged | Results | | Brandon McMullen (410 Sprints - Winged) | 3rd | - | - | 11th |
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