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| 4/24/2021 | Newton Kart Klub - Newton, IA NKK Points Night #1 Winged Outlaw, Junior Class, Junior Champ, Junior 1 Lites Dirt Karts, Junior 1 Medium Dirt Karts, Junior 2 Lites Dirt Karts, Junior 2 Medium Dirt Karts, Junior Open, Rookie Class, Junior 1 Animal Dirt Karts, Junior 2 Animal Dirt Karts, Cage Jr. 1 Clone, Cage Jr. 2 Clone, Flat Adult Clone, Open Speedway Midget, Restricted Box Stock, Unrestricted Box Stock, 125 Yamaha, Cage Stock Animal, 250 Winged Outlaw Heavy, 250 Winged Outlaw, 500 Winged Open Outlaw, Junior 3 Heavy Dirt Karts, Quad A Class | Results | | Nixon Heiderscheidt (Junior 2 Animal Dirt Karts) | 2nd | - | - | 3rd |
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| 4/30/2021 | Cedar Lake Speedway Indoor Arena - New Richmond, WI Rumble at the Arena Series Practice Night! Junior 1 Lites Dirt Karts, Junior 2 Lites Dirt Karts, Junior 2 Medium Dirt Karts, Junior 2 Heavy Dirt Karts, Animal Heavy, Adult Heavy, Adult Medium, Rookie Class, Junior 1 Animal Dirt Karts, Junior 2 Animal Dirt Karts, Junior Kohler Cage, Restricted Box Stock, Unrestricted Box Stock, 125 Yamaha, 250 yamaha, Flat Jr. 3 Clone, Flat Jr. 3 Clone Heavy, Flat Adult Clone Heavy, 250 Winged Outlaw Heavy, 250 Winged Outlaw, 500 Winged Open Outlaw Heavy, 500 Winged Open Outlaw, Cage Jr. Sprints, LO 206 Dirt Karts, Clone Heavy Dirt Karts, Clone Medium Dirt Karts, Clone Lite Dirt Karts, Junior 3 Animal Dirt Karts, Junior 3 Heavy Dirt Karts, Junior 3 Lites Dirt Karts, Junior 3 Medium Dirt Karts, Flat Jr. 1 Clone Heavy, Flat Jr. 1 Clone | Results | | Nixon Heiderscheidt (Junior Kohler Cage) | - | - | - | - |
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| 5/1/2021 | Cedar Lake Speedway Indoor Arena - New Richmond, WI Rumble at the Arena Series Race #1! Junior 1 Lites Dirt Karts, Junior 2 Lites Dirt Karts, Junior 2 Medium Dirt Karts, Junior 2 Heavy Dirt Karts, Animal Heavy, Adult Heavy, Rookie Class, Junior 1 Animal Dirt Karts, Junior 2 Animal Dirt Karts, Junior Kohler Cage, Restricted Box Stock, 125 Yamaha, 250 yamaha, Flat Jr. 3 Clone, Flat Jr. 3 Clone Heavy, Flat Adult Clone Heavy, 250 Winged Outlaw Heavy, 500 Winged Open Outlaw Heavy, 500 Winged Open Outlaw, Cage Jr. Sprints, LO 206 Dirt Karts, Clone Medium Dirt Karts, Clone Lite Dirt Karts, Junior 3 Animal Dirt Karts, Junior 3 Heavy Dirt Karts, Junior 3 Lites Dirt Karts, Junior 3 Medium Dirt Karts, Flat Jr. 1 Clone Heavy, Flat Jr. 1 Clone | Results | | Nixon Heiderscheidt (Junior Kohler Cage) | 4th | - | - | 6th | | Nixon Heiderscheidt (250 yamaha) | 3rd | - | - | 5th |
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| 5/22/2021 | Golden Spike Speedway - Blue Earth, MN Season Opener Junior 1 Lites Dirt Karts, Winged Outlaw, Adult Open, Adult Heavy, Adult Lites, Rookie Class, Junior 2 Super Stock, Flat Adult Clone Heavy, 250 Winged Outlaw Heavy, 500 Winged Open Outlaw, Kid Karts Dirt, 125 Winged Outlaw, Flat Jr. 1 Clone, Predator Maxxis | Results | | Nixon Heiderscheidt (250 Winged Outlaw Heavy) | 2nd | - | - | 4th |
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| 5/23/2021 | Fairmont Raceway - Fairmont, MN Beemer Bullring - Race #1 (Season Opener) Junior Class, Junior Champ, Junior 1 Lites Dirt Karts, Junior 2 Lites Dirt Karts, Adult Open, Adult Heavy, Adult Medium, Adult Lites, Dirt Cage Kart Junior 1, Cage Jr. 1 Clone, Kid Karts Dirt | Results | | Nixon Heiderscheidt (Dirt Cage Kart Junior 1) | 2nd | - | - | 2nd |
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| 6/4/2021 | English Creek Speedway - Knoxville, IA POINTS RACE #5 Winged Outlaw, Adult Heavy, Adult Medium, Restricted Box Stock, Unrestricted Box Stock, 500 Winged Open Outlaw | Results | | Nixon Heiderscheidt (Unrestricted Box Stock) | 5th (DNF) | - | DNS | - |
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| 6/5/2021 | Newton Kart Klub - Newton, IA NKK Points Night #4 Winged Outlaw, Junior Class, Junior Champ, Junior 1 Lites Dirt Karts, Junior 1 Medium Dirt Karts, Junior 2 Lites Dirt Karts, Junior 2 Medium Dirt Karts, Junior Open, Rookie Class, Junior 1 Animal Dirt Karts, Junior 2 Animal Dirt Karts, Cage Jr. 1 Clone, Cage Jr. 2 Clone, Flat Adult Clone, Open Speedway Midget, Restricted Box Stock, Unrestricted Box Stock, 125 Yamaha, Cage Stock Animal, 250 Winged Outlaw Heavy, 250 Winged Outlaw, 500 Winged Open Outlaw, Junior 3 Heavy Dirt Karts, Quad A Class | Results | | Nixon Heiderscheidt (Junior 2 Animal Dirt Karts) | 4th | - | - | 9th |
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| 10/16/2021 | Mason City Motor Speedway - Mason City, IA Five Star Classic 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Nixon Heiderscheidt (600cc Modifieds) | 7th | - | - | 14th (DNF) |
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