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| 2/15/2018 | Ocala Speedway - Ocala, FL AMSOIL USAC National Sprint Car Series 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Jarett Andretti (410 Sprints - Non-Winged) | - | - | 4th | 17th |
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| 2/16/2018 | Ocala Speedway - Ocala, FL AMSOIL USAC National Sprint Car Series 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 4th | - | - | 22nd |
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| 2/17/2018 | Ocala Speedway - Ocala, FL AMSOIL USAC National Sprint Car Series 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 3rd | - | - | 14th |
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| 4/13/2018 | Kokomo Speedway - Kokomo, IN Kokomo Grand Prix Midgets: USAC National Midgets 410 Sprints - Non-Winged | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 2nd | - | - | 5th |
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| 5/5/2018 | Plymouth Speedway - Plymouth, IN USAC Spring Series AMSOIL National Sprint Cars 410 Sprints - Non-Winged: USAC National Sprint Cars DIRTcar UMP Modifieds, Street Stocks | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 5th | - | - | 13th |
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| 5/6/2018 | Kokomo Speedway - Kokomo, IN King of Kokomo Midgets, 410 Sprints - Non-Winged, Hornets | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 4th | - | - | 10th |
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| 5/19/2018 | Lincoln Park Speedway - Putnamville, IN Little Feet Bicycle Challenge #1 DIRTcar UMP Modifieds, Factory Stocks, 410 Sprints - Non-Winged, Super Stocks | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 4th | - | 1st | 3rd |
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| 5/31/2018 | Lincoln Park Speedway - Putnamville, IN USAC Midget Week (Special Event Pricing) Midgets: USAC National Midgets DIRTcar UMP Modifieds, 410 Sprints - Non-Winged | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 2nd | - | - | 7th |
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| 6/1/2018 | Bloomington Speedway - Bloomington, IN USAC Indiana Midget Week 410 Sprints - Non-Winged, 1200cc Outlaws Non-Winged Minis | Rain Out |
| 6/3/2018 | Kokomo Speedway - Kokomo, IN Midget Week Midgets: USAC National Midgets 410 Sprints - Non-Winged | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 4th | - | - | 6th |
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| 6/8/2018 | I-80 Speedway - Greenwood, NE Dirt Classic Dirt Super Late Models: SLMR Late Model Series 410 Sprints - Non-Winged: USAC National Sprint Cars A Modifieds | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 2nd | - | - | 12th |
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| 6/9/2018 | Knoxville Raceway - Knoxville, IA Race 9 410 Sprints - Non-Winged: USAC National Sprint Cars 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged, Non-Winged Sprints | Results | | Jarett Andretti (410 Sprints - Non-Winged) | - | - | - | - |
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| 6/14/2018 | Grandview Speedway - Bechtelsville, PA 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 4th | - | - | 5th |
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| 6/15/2018 | Williams Grove Speedway - Mechanicsburg, PA 410 Sprints - Non-Winged: USAC National Sprint Cars 410 Sprints - Winged | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 2nd | - | - | 18th |
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| 6/16/2018 | Port Royal Speedway - Port Royal, PA 410 Sprints - Non-Winged: USAC National Sprint Cars 410 Sprints - Winged | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 4th | - | - | 15th |
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| 6/17/2018 | BAPS Motor Speedway - York Haven, PA 360 Sprints - Winged: URC Racing Club with United Racing Club 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 4th | - | - | 10th |
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| 6/18/2018 | Bridgeport Motorsports Park - Bridgeport, NJ 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 3rd | - | - | 14th |
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| 6/19/2018 | Weedsport Speedway - Weedsport, NY 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Jarett Andretti (410 Sprints - Non-Winged) | - | - | - | 21st |
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| 6/24/2018 | Kokomo Speedway - Kokomo, IN Darland Memorial Street Stocks, 410 Sprints - Non-Winged, Hornets | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 4th | - | - | 7th |
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| 6/29/2018 | Bloomington Speedway - Bloomington, IN INDEPENDENCE DAY WITH HUGE FIREWORKS 305 Sprints - Winged, DIRTcar UMP Modifieds, 410 Sprints - Non-Winged, Super Stocks | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 3rd | - | - | 4th |
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| 7/3/2018 | Kokomo Speedway - Kokomo, IN Fireworks!!! A Modifieds, 410 Sprints - Non-Winged, Hornets | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 1st | - | - | 6th |
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| 7/6/2018 | Lincoln Park Speedway - Putnamville, IN Midgets: USAC IMRA D2 MIDGET SERIES 410 Sprints - Non-Winged: USAC National Sprint Cars DIRTcar UMP Modifieds, Factory Stocks, Super Stocks | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 6th | - | - | - |
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| 7/8/2018 | Kokomo Speedway - Kokomo, IN Kokomo Klassic 305 Sprints - Winged, Sprint Cars, 410 Sprints - Non-Winged, Hornets, Super Stocks | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 4th | - | - | 10th |
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| 7/22/2018 | Lawrenceburg Speedway - Lawrenceburg, IN 2018 USAC Indiana Sprint Week 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 9th | - | 15th | - |
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| 7/24/2018 | Kokomo Speedway - Kokomo, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 2nd | - | - | 23rd |
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| 7/25/2018 | Terre Haute Action Track - Terre Haute, IN 2018 USAC Indiana Sprint Week 410 Sprints - Non-Winged: USAC National Sprint Cars DIRTcar UMP Modifieds | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 7th | - | - | - |
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| 7/27/2018 | Bloomington Speedway - Bloomington, IN 2018 USAC Indiana Sprint Week 410 Sprints - Non-Winged: USAC National Sprint Cars Hornets | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 4th | - | - | 17th |
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| 8/22/2018 | Kokomo Speedway - Kokomo, IN #GYATK Night 410 Sprints - Non-Winged: USAC National Sprint Cars 410 Sprints - Winged | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 2nd | - | - | 10th |
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| 8/23/2018 | Kokomo Speedway - Kokomo, IN 410 Sprints - Non-Winged: USAC National Sprint Cars Winged A-Class | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 7th | - | 5th | 12th |
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| 8/24/2018 | Kokomo Speedway - Kokomo, IN 410 Sprints - Non-Winged: USAC National Sprint Cars TQ Midgets | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 3rd | - | - | 22nd |
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| 9/14/2018 | Terre Haute Action Track - Terre Haute, IN 410 Sprints - Non-Winged: USAC National Sprint Cars DIRTcar UMP Modifieds | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 7th | - | - | 11th |
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| 9/27/2018 | Kokomo Speedway - Kokomo, IN Sprint Car Smackdown VII 410 Sprints - Non-Winged: USAC National Sprint Cars with BOSS Buckeye Outlaw Sprint Series 410 Sprints - Winged | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 3rd | - | - | 11th |
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| 9/29/2018 | Lawrenceburg Speedway - Lawrenceburg, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Jarett Andretti (410 Sprints - Non-Winged) | 3rd | - | - | 7th |
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| 10/13/2018 | Tri-State Speedway - Haubstadt, IN Non-Winged Sprints: POWRi Lucas Oil WAR Wildcard Sprints 410 Sprints - Non-Winged | Results | | Jarett Andretti (Non-Winged Sprints) | 3rd | - | - | 5th |
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