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| 2/7/2018 | Volusia Speedway Park - De Leon Springs, FL DIRTcar Nationals 410 Sprints - Winged: All Star Circuit of Champions DIRTcar UMP Modifieds | Results | | Brent Marks (410 Sprints - Winged) | 3rd | - | - | 8th |
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| 2/8/2018 | Volusia Speedway Park - De Leon Springs, FL DIRTcar Naitonals 410 Sprints - Winged: All Star Circuit of Champions DIRTcar UMP Modifieds | Results | | Brent Marks (410 Sprints - Winged) | 5th | - | - | 15th |
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| 2/9/2018 | Volusia Speedway Park - De Leon Springs, FL DIRTcar Naitonals 410 Sprints - Winged: World of Outlaws DIRTcar UMP Modifieds | Results | | Brent Marks (410 Sprints - Winged) | 6th | - | 6th | 10th |
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| 2/10/2018 | Volusia Speedway Park - De Leon Springs, FL DIRTcar Nationals 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 4th | - | - | 14th |
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| 2/11/2018 | Volusia Speedway Park - De Leon Springs, FL DIRTcar Nationals 410 Sprints - Winged: World of Outlaws DIRTcar UMP Modifieds | Results | | Brent Marks (410 Sprints - Winged) | 8th | - | 13th | - |
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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 | | Brent Marks (410 Sprints - Winged) | 8th | - | - | 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 | | Brent Marks (410 Sprints - Winged) | 6th | - | 10th | - |
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| 3/3/2018 | Perris Auto Speedway - Perris, CA SoCal Showdown 410 Sprints - Winged: World of Outlaws 410 Sprints - Non-Winged: USAC CRA Sprint Car Series | Rain Out |
| 3/9/2018 | Thunderbowl Raceway - Tulare, CA Thunderbowl Raceway 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 8th | - | 12th | - |
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| 3/10/2018 | Thunderbowl Raceway - Tulare, CA Thunderbowl Raceway 410 Sprints - Winged: World of Outlaws | Rain Out |
| 3/16/2018 | Stockton Dirt Track - Stockton, CA FVP Platinum Battery Shootout 410 Sprints - Winged: World of Outlaws | Rain Out |
| 3/17/2018 | Stockton Dirt Track - Stockton, CA FVP Platinum Battery Shootout 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 6th | - | 4th | 24th |
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| 3/24/2018 | Bakersfield Speedway - Bakersfield, CA Brad Sweet Placerville Short Track Showdown presented by NAPA Auto Parts 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 4th | - | - | 14th |
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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 | | Brent Marks (410 Sprints - Winged) | 6th | - | - | 10th |
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| 4/20/2018 | Riverside International Speedway - West Memphis, AR World of Outlaws 410 Sprints - Winged: World of Outlaws Stock Cars, Dirt Late Models | Results | | Brent Marks (410 Sprints - Winged) | 6th | - | 5th | 17th |
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| 4/21/2018 | Federated Auto Parts I-55 Raceway - Pevely, MO Spring Classic 410 Sprints - Winged: World of Outlaws Midgets: POWRi National Midgets Sprint Cars | Results | | Brent Marks (410 Sprints - Winged) | 6th | - | 2nd | 10th |
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| 4/26/2018 | Cotton Bowl Speedway - Paige, TX 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 6th | - | - | 19th |
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| 4/27/2018 | Devil's Bowl Speedway - Mesquite, TX Texas Outlaw Nationals 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 4th | - | - | 11th |
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| 4/28/2018 | Devil's Bowl Speedway - Mesquite, TX Texas Outlaw Nationals 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 5th | - | - | 9th |
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| 5/4/2018 | Lake Ozark Speedway - Eldon, MO 410 Sprints - Winged: World of Outlaws 305 Sprints - Winged | Results | | Brent Marks (410 Sprints - Winged) | 8th | - | 2nd | 13th |
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| 5/5/2018 | Salina Highbanks Speedway - Salina, OK World of Outlaws Sprint Cars Twister Showdown 410 Sprints - Winged: World of Outlaws Hobby Stocks | Results | | Brent Marks (410 Sprints - Winged) | 4th | - | - | 7th |
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| 5/11/2018 | Eldora Speedway - Rossburg, OH #LetsRaceTwo 410 Sprints - Winged: World of Outlaws 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Brent Marks (410 Sprints - Winged) | 9th | - | 16th | - | | Brent Marks (410 Sprints - Non-Winged) | - | - | - | - |
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| 5/12/2018 | Eldora Speedway - Rossburg, OH #LetsRaceTwo 410 Sprints - Winged: World of Outlaws 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Brent Marks (410 Sprints - Winged) | 7th | - | 1st | 21st | | Brent Marks (410 Sprints - Non-Winged) | - | - | - | - |
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| 5/13/2018 | Tri-State Speedway - Haubstadt, IN World of Outlaws 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 5th | - | - | 12th |
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| 5/22/2018 | Bridgeport Motorsports Park - Bridgeport, NJ 410 Sprints - Winged: World of Outlaws 360 Sprints - Winged | Rain Out |
| 5/25/2018 | The Dirt Track at Charlotte - Concord, NC World of Outlaws 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 7th | - | 2nd | 12th |
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| 5/28/2018 | Lawrenceburg Speedway - Lawrenceburg, IN 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 8th | - | 11th | - |
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| 6/1/2018 | I-96 Speedway - Lake Odessa, MI World Of Outlaw Craftsman Sprint Cars - IMCA Modifieds ($5000 purse) 410 Sprints - Winged: World of Outlaws Winged Sprints, B Modifieds, Mini Wedge, Mini Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 9th | - | 4th | 5th |
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| 6/2/2018 | Wilmot Raceway - Wilmot, WI 410 Sprints - Winged: World of Outlaws Non Wing Crate Sprints: Wisconsin wingLESS Sprints | Results | | Brent Marks (410 Sprints - Winged) | 1st | 5th | - | 1st |
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| 6/5/2018 | Fairbury Speedway - Fairbury, IL 410 Sprints - Winged: World of Outlaws Non-Winged Sprints: POWRi Lucas Oil WAR Wildcard Sprints | Results | | Brent Marks (410 Sprints - Winged) | 5th | - | - | 5th |
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| 6/7/2018 | Jackson Motorplex - Jackson, MN AGCO Jackson Nationals 410 Sprints - Winged: World of Outlaws 305 Sprints - Winged | Postponed |
| 6/8/2018 | Jackson Motorplex - Jackson, MN AGCO Jackson Nationals 410 Sprints - Winged: World of Outlaws 305 Sprints - Winged | Results | | Brent Marks (410 Sprints - Winged) | 5th | - | - | 16th |
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| 6/9/2018 | Jackson Motorplex - Jackson, MN AGCO Jackson Nationals 410 Sprints - Winged: World of Outlaws 305 Sprints - Winged | Results | | Brent Marks (410 Sprints - Winged) | 8th | - | 7th | - |
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| 6/17/2018 | Nodak Speedway - Minot, ND 410 Sprints - Winged: World of Outlaws B Modifieds | Results | | Brent Marks (410 Sprints - Winged) | 4th | - | - | 8th |
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| 6/22/2018 | 300 Raceway - Farley, IA 410 Sprints - Winged: World of Outlaws A Modifieds, Young Lions Legends, Pro Legends | Rain Out |
| 6/23/2018 | Beaver Dam Raceway - Beaver Dam, WI 410 Sprints - Winged: World of Outlaws Young Lions Legends, Semi-Pro Legends, Pro Legends, Masters Legends, Generic 1 | Results | | Brent Marks (410 Sprints - Winged) | 6th | - | - | 9th |
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| 6/27/2018 | Jacksonville Speedway - Jacksonville, IL 410 Sprints - Winged: World of Outlaws | Postponed |
| 6/29/2018 | Knoxville Raceway - Knoxville, IA Race 12+WoO Sprints! 410 Sprints - Winged: World of Outlaws 360 Sprints - Winged, 305 Sprints - Winged | Results | | Brent Marks (410 Sprints - Winged) | 7th | - | 5th | - |
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| 6/30/2018 | Knoxville Raceway - Knoxville, IA 410 Sprints - Winged: World of Outlaws 360 Sprints - Winged | Results | | Brent Marks (410 Sprints - Winged) | 7th | - | 4th | 9th |
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| 7/6/2018 | Cedar Lake Speedway - New Richmond, WI WoO Weekend 410 Sprints - Winged: World of Outlaws 360 Sprints - Non-Winged: Traditional Sprint Car Series | Results | | Brent Marks (410 Sprints - Winged) | 2nd | 3rd | - | 3rd |
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| 7/7/2018 | Cedar Lake Speedway - New Richmond, WI Midwest Power Series 410 Sprints - Winged: World of Outlaws 360 Sprints - Winged | Results | | Brent Marks (410 Sprints - Winged) | 4th | - | - | 11th |
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| 7/10/2018 | Attica Raceway Park - Attica, OH 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 2nd | 1st | - | 23rd |
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| 7/12/2018 | Eldora Speedway - Rossburg, OH 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 5th | - | - | 5th |
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| 7/13/2018 | Eldora Speedway - Rossburg, OH 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 4th | - | 14th | - |
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| 7/14/2018 | Eldora Speedway - Rossburg, OH 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 6th | - | 16th | - |
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| 7/17/2018 | Lernerville Speedway - Sarver, PA 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 4th | - | - | 13th |
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| 8/3/2018 | Federated Auto Parts I-55 Raceway - Pevely, MO Iron Man 55 410 Sprints - Winged: World of Outlaws Midgets: POWRi National Midgets with POWRi West Midgets DIRTcar UMP Modifieds | Results | | Brent Marks (410 Sprints - Winged) | 5th | - | - | 7th |
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| 8/4/2018 | Federated Auto Parts I-55 Raceway - Pevely, MO Iron Man 55 410 Sprints - Winged: World of Outlaws Midgets: POWRi National Midgets with POWRi West Midgets Sprint Cars, DIRTcar UMP Modifieds | Results | | Brent Marks (410 Sprints - Winged) | 7th | - | 4th | 9th |
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| 8/8/2018 | Knoxville Raceway - Knoxville, IA Knoxville Nationals Qualifying night 410 Sprints - Winged: World of Outlaws 360 Sprints - Winged | Results | | Brent Marks (410 Sprints - Winged) | 6th | - | 10th | - |
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| 8/9/2018 | Knoxville Raceway - Knoxville, IA 410 Sprints - Winged: World of Outlaws 360 Sprints - Winged | Results | | Brent Marks (410 Sprints - Winged) | - | - | - | - |
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| 8/10/2018 | Knoxville Raceway - Knoxville, IA 410 Sprints - Winged: World of Outlaws 360 Sprints - Winged | Results | | Brent Marks (410 Sprints - Winged) | 2nd | - | - | 10th |
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| 8/11/2018 | Knoxville Raceway - Knoxville, IA Knoxville Nationals Final Night 410 Sprints - Winged: World of Outlaws 360 Sprints - Winged | Results | | Brent Marks (410 Sprints - Winged) | - | - | 8th | - |
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| 8/25/2018 | Big Sky Speedway - Billings, MT Big Sky Brawl at Billings 410 Sprints - Winged: World of Outlaws WISSOTA Street Stock | Results | | Brent Marks (410 Sprints - Winged) | 3rd | - | - | 9th |
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| 8/31/2018 | Skagit Speedway - Burlington, WA OUTLAW ENERGY SHOWDOWN - WORLD OF OUTLAWS 410 Sprints - Winged: World of Outlaws Midgets | Results | | Brent Marks (410 Sprints - Winged) | 3rd | - | - | 11th |
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| 9/1/2018 | Skagit Speedway - Burlington, WA OUTLAW ENERGY SHOWDOWN - WORLD OF OUTLAWS 410 Sprints - Winged: World of Outlaws Midgets | Results | | Brent Marks (410 Sprints - Winged) | 3rd | - | - | 6th |
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| 9/3/2018 | Grays Harbor Raceway - Elma, WA WORLD OF OUTLAWS (MONDAY) - Presented by Lucky Eagle Casino & Resort. 410 Sprints - Winged: World of Outlaws Street Stocks | Results | | Brent Marks (410 Sprints - Winged) | 6th | - | - | 21st |
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| 9/5/2018 | Willamette Speedway - Lebanon, OR WORLD OF OUTLAW SPRINT CARS 410 Sprints - Winged: World of Outlaws Dirt Super Late Models | Results | | Brent Marks (410 Sprints - Winged) | 4th | - | - | 12th |
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| 9/7/2018 | Silver Dollar Speedway - Chico, CA Gold Cup Race of Champions 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 6th | - | 9th | 25th |
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| 9/8/2018 | Silver Dollar Speedway - Chico, CA Gold Cup Race of Champions 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 6th | - | 3rd | 17th |
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| 9/12/2018 | Placerville Speedway - Placerville, CA Brad Sweet Placerville Short Track Showdown presented by NAPA Auto Parts 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 5th | - | - | 22nd |
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| 9/14/2018 | Calistoga Speedway - Calistoga, CA Wine Country Outlaw Showdown 410 Sprints - Winged: World of Outlaws A Modifieds | Results | | Brent Marks (410 Sprints - Winged) | 5th | - | - | 8th |
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| 9/15/2018 | Calistoga Speedway - Calistoga, CA Wine Country Outlaw Showdown 410 Sprints - Winged: World of Outlaws 360 Sprints - Winged, A Modifieds | Results | | Brent Marks (410 Sprints - Winged) | 7th | - | 3rd | 22nd |
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| 9/21/2018 | Eldora Speedway - Rossburg, OH 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 2nd | 3rd | - | 1st |
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| 9/28/2018 | Williams Grove Speedway - Mechanicsburg, PA 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 5th | - | 5th | 12th |
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| 9/29/2018 | Williams Grove Speedway - Mechanicsburg, PA 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 4th | - | 5th | 21st |
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| 10/13/2018 | Terre Haute Action Track - Terre Haute, IN Wabash Clash 410 Sprints - Winged: World of Outlaws DIRTcar UMP Modifieds | Results | | Brent Marks (410 Sprints - Winged) | 5th | - | - | 17th |
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| 10/14/2018 | Eldora Speedway - Rossburg, OH 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 3rd | - | - | 6th |
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| 10/19/2018 | Lakeside Speedway - Kansas City, KS 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 5th | - | - | 10th |
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| 10/20/2018 | Dodge City Raceway Park - Dodge City, KS 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | 1st | 5th | - | 7th |
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| 11/1/2018 | The Dirt Track at Charlotte - Concord, NC World Finals 410 Sprints - Winged: World of Outlaws | Results | | Brent Marks (410 Sprints - Winged) | - | - | - | - |
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| 11/2/2018 | The Dirt Track at Charlotte - Concord, NC World Finals 410 Sprints - Winged: World of Outlaws Dirt Super Late Models | Results | | Brent Marks (410 Sprints - Winged) | 6th | - | 7th | 20th |
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| 11/3/2018 | The Dirt Track at Charlotte - Concord, NC World Finals 410 Sprints - Winged: World of Outlaws Dirt Super Late Models | Results | | Brent Marks (410 Sprints - Winged) | 3rd | - | - | 21st |
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