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| 5/5/2018 | Winfield Speedway - Winfield, KS Ozark Kart Series Race #2 Junior Class, Junior 1 Heavy Dirt Karts, Junior 2 Heavy Dirt Karts, Adult Open, Adult Heavy, Rookie Class, Flat Adult Clone, Clone Heavy Dirt Karts, Clone Medium Dirt Karts, Clone Lite Dirt Karts, Clone Super Heavy Dirt Karts, Flat Jr. 1 Clone Heavy, Flat Jr. 2 Clone Heavy, Flat Jr. 1 Clone | Results | | Jacob Pierson (Clone Heavy Dirt Karts) | 2nd | - | - | 4th | | Jacob Pierson (Clone Super Heavy Dirt Karts) | 1st | - | - | 1st |
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| 6/2/2018 | 59 Speedway - Sallisaw, OK Ozark Kart Series Race #1 Makeup Junior Class, Junior 1 Heavy Dirt Karts, Junior 2 Heavy Dirt Karts, Adult Open, Adult Heavy, Rookie Class, Flat Adult Clone, Clone Heavy Dirt Karts, Clone Medium Dirt Karts, Clone Lite Dirt Karts, Clone Super Heavy Dirt Karts, Flat Jr. 1 Clone Heavy, Flat Jr. 2 Clone Heavy, Flat Jr. 1 Clone | Results | | Jacob Pierson (Clone Heavy Dirt Karts) | 2nd | - | - | 10th | | Jacob Pierson (Clone Super Heavy Dirt Karts) | 1st | - | - | 1st |
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| 6/9/2018 | WaKeeney Speedway - Wakeeney, KS Ozark Kart Series Race #3 Junior Class, Junior 1 Heavy Dirt Karts, Junior 2 Heavy Dirt Karts, Adult Open, Adult Heavy, Rookie Class, Flat Adult Clone, Clone Heavy Dirt Karts, Clone Medium Dirt Karts, Clone Lite Dirt Karts, Clone Super Heavy Dirt Karts, Flat Jr. 1 Clone Heavy, Flat Jr. 2 Clone Heavy, Flat Jr. 1 Clone | Results | | Jacob Pierson (Adult Open) | - | - | - | - | | Jacob Pierson (Clone Heavy Dirt Karts) | - | - | - | - | | Jacob Pierson (Clone Super Heavy Dirt Karts) | 3rd | - | - | 3rd |
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| 7/7/2018 | Winfield Speedway - Winfield, KS Ozark Kart Series Race #4 Junior Class, Junior 1 Heavy Dirt Karts, Junior 2 Heavy Dirt Karts, Adult Open, Adult Heavy, Rookie Class, Flat Adult Clone, Flat RWYB, Clone Heavy Dirt Karts, Clone Medium Dirt Karts, Clone Lite Dirt Karts, Clone Super Heavy Dirt Karts, Flat Jr. 1 Clone Heavy, Flat Jr. 2 Clone Heavy, Flat Jr. 1 Clone | Results | | Jacob Pierson (Adult Open) | - | - | - | 5th | | Jacob Pierson (Clone Heavy Dirt Karts) | - | - | - | - | | Jacob Pierson (Clone Super Heavy Dirt Karts) | 2nd | - | - | 2nd |
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| 8/11/2018 | Worden Park Speedway - Wellington, KS Ozark Kart Series Race #5 Junior Class, Junior 1 Heavy Dirt Karts, Junior 2 Heavy Dirt Karts, Adult Open, Adult Heavy, Rookie Class, Flat Adult Clone, Clone Heavy Dirt Karts, Clone Medium Dirt Karts, Clone Lite Dirt Karts, Clone Super Heavy Dirt Karts, Flat Jr. 1 Clone Heavy, Flat Jr. 2 Clone Heavy, Flat Jr. 1 Clone | Results | | Jacob Pierson (Adult Open) | - | - | - | 6th | | Jacob Pierson (Clone Heavy Dirt Karts) | 2nd | - | - | 5th | | Jacob Pierson (Clone Super Heavy Dirt Karts) | - | - | - | - |
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| 9/29/2018 | Winfield Speedway - Winfield, KS Ozark Kart Series/ Del Lamb Memorial Junior Class, Junior 1 Heavy Dirt Karts, Junior 2 Heavy Dirt Karts, Adult Open, Junior Open, Adult Heavy, Rookie Class, Flat Adult Clone, Flat RWYB, Clone Heavy Dirt Karts, Clone Medium Dirt Karts, Clone Lite Dirt Karts, Clone Super Heavy Dirt Karts, Open Dirt Karts, Flat Jr. 1 Clone Heavy, Flat Jr. 2 Clone Heavy, Flat Jr. 1 Clone | Results | | Jacob Pierson (Adult Open) | 4th | - | - | 14th (DNF) | | Jacob Pierson (Clone Heavy Dirt Karts) | 4th | - | - | 6th |
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| 11/24/2018 | Little Sunset Speedway - Greenwood, NE Turkey Chase Junior Champ, Junior 1 Lites Dirt Karts, Junior 2 Lites Dirt Karts, Junior Open, Adult Heavy, Rookie Class, Dirt Cage Kart Junior 1, Dirt Cage Kart Junior 2, Flat Adult Clone, Restricted Box Stock, Unrestricted Box Stock, Flat RWYB, Kid Karts Dirt, Junior Sportsman Dirt Karts, Clone Heavy Dirt Karts, Clone Super Heavy Dirt Karts, Open Dirt Karts, Cage Jr. Predator, Cage Sr. Predator, Cage Sr. 206 A, Cage Jr. 206 A, LO 206 Cage Cadet Winged, LO 206 Cage Junior 1 Winged, Flat Jr. 1 Clone Heavy, Flat Jr. 2 Clone Heavy, Flat Jr. 1 Clone | Results | | Jacob Pierson (Clone Heavy Dirt Karts) | 3rd | - | - | 8th | | Jacob Pierson (Clone Super Heavy Dirt Karts) | 1st | - | - | 3rd |
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| 11/25/2018 | Little Sunset Speedway - Greenwood, NE Turkey Chase Junior Champ, Junior 1 Lites Dirt Karts, Junior 2 Lites Dirt Karts, Junior Open, Adult Heavy, Rookie Class, Dirt Cage Kart Junior 1, Dirt Cage Kart Junior 2, Flat Adult Clone, Flat RWYB, Junior Sportsman Dirt Karts, Clone Heavy Dirt Karts, Clone Super Heavy Dirt Karts, Cage Jr. Predator, Cage Sr. Predator, Cage Sr. 206 A, Cage Jr. 206 A, Flat Jr. 1 Clone Heavy, Flat Jr. 2 Clone Heavy, Flat Jr. 1 Clone | Results | | Jacob Pierson (Clone Heavy Dirt Karts) | 3rd | - | - | 11th | | Jacob Pierson (Clone Super Heavy Dirt Karts) | 1st | - | - | 7th |
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