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| 1/1/2015 | Tulsa Expo Raceway - Tulsa, OK Racing - Night 2 Midgets, Economy Midgets, Winged Outlaw, Non-Wing Outlaw, Restricted 'A' Class, Winged A-Class, Stock Non-Wing, Junior Sprints, 1200cc Outlaws Non-Winged Minis, Lightning Sprints | Results | | Justin Grant (1200cc Outlaws Non-Winged Minis) | 7th (DNF) | DNS | - | - |
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| 1/3/2015 | Tulsa Expo Raceway - Tulsa, OK Racing - Night 4 Midgets, Economy Midgets, Winged Outlaw, Non-Wing Outlaw, Restricted 'A' Class, Winged A-Class, Stock Non-Wing, Junior Sprints, 1200cc Outlaws Non-Winged Minis, Lightning Sprints | Results | | Justin Grant (1200cc Outlaws Non-Winged Minis) | - | - | 15th (DNF) | - |
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| 1/14/2015 | Tulsa Expo Raceway - Tulsa, OK River Spirit Casino Qualifying Night Midgets | Results | | Justin Grant (Midgets) | 2nd | 1st | - | 17th |
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| 1/17/2015 | Tulsa Expo Raceway - Tulsa, OK Lucas Oil Championship Night Midgets | Results | | Justin Grant (Midgets) | - | - | - | - |
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| 2/19/2015 | Ocala Speedway - Ocala, FL 410 Sprints - Non-Winged: USAC National Sprint Cars | Rain Out |
| 2/20/2015 | Ocala Speedway - Ocala, FL Winter Games VI 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 1st | - | - | 5th |
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| 2/21/2015 | Ocala Speedway - Ocala, FL Winter Games VI 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 3rd | - | - | 12th |
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| 2/22/2015 | Ocala Speedway - Ocala, FL Winter Games VI 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 3rd | - | - | 6th |
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| 2/26/2015 | East Bay Raceway Park - Tampa, FL Winter Games VI 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 6th | - | 4th | 22nd |
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| 2/27/2015 | East Bay Raceway Park - Tampa, FL Winter Games VI 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 3rd | - | - | 4th |
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| 4/4/2015 | Lawrenceburg Speedway - Lawrenceburg, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 1st | - | - | 9th |
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| 4/11/2015 | Kokomo Speedway - Kokomo, IN Midgets: USAC National Midgets 410 Sprints - Non-Winged | Results | | Justin Grant (410 Sprints - Non-Winged) | - | - | - | 3rd |
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| 4/17/2015 | Bloomington Speedway - Bloomington, IN 410 Sprints - Non-Winged: USAC National Sprint Cars with Midwest Sprint Car Series MSCS 305 Sprints - Winged | Results | | Justin Grant (305 Sprints - Winged) | - | - | - | - | | Justin Grant (410 Sprints - Non-Winged) | 3rd | - | - | 15th |
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| 4/18/2015 | Tri-State Speedway - Haubstadt, IN Spring Showdown 410 Sprints - Non-Winged: USAC National Sprint Cars with Midwest Sprint Car Series MSCS | Results | | Justin Grant (410 Sprints - Non-Winged) | 6th | - | 1st | 19th |
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| 5/3/2015 | Kokomo Speedway - Kokomo, IN 410 Sprints - Non-Winged: King of Indiana Sprint Series | Results | | Justin Grant (410 Sprints - Non-Winged) | - | - | - | 1st |
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| 5/15/2015 | Gas City I-69 Speedway - Gas City, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 5th | - | 1st | 11th |
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| 5/17/2015 | Kokomo Speedway - Kokomo, IN | Results | | Justin Grant (410 Sprints - Non-Winged) | - | - | - | 4th |
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| 5/21/2015 | Indiana State Fairgrounds - Indianapolis, IN Silver Crown: USAC Silver Crown | Results | | Justin Grant (Silver Crown) | - | - | - | 5th |
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| 5/24/2015 | Kokomo Speedway - Kokomo, IN | Results | | Justin Grant (410 Sprints - Non-Winged) | - | - | - | 19th (DNF) |
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| 6/4/2015 | New Egypt Speedway - New Egypt, NJ Eastern Storm Tour 410 Sprints - Non-Winged: USAC National Sprint Cars with x | Results | | Justin Grant (410 Sprints - Non-Winged) | 1st | - | - | 12th |
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| 6/6/2015 | Port Royal Speedway - Port Royal, PA Eastern Storm Tour 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 4th | - | - | 8th |
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| 6/7/2015 | BAPS Motor Speedway - York Haven, PA Eastern Storm Tour 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 2nd | - | - | 7th |
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| 6/28/2015 | Kokomo Speedway - Kokomo, IN | Results | | Justin Grant (410 Sprints - Non-Winged) | - | - | - | 2nd |
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| 7/2/2015 | Terre Haute Action Track - Terre Haute, IN Silver Crown: USAC Silver Crown | Results | | Justin Grant (Silver Crown) | - | - | - | 6th |
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| 7/4/2015 | Lincoln Park Speedway - Putnamville, IN Bill Gardner Sprintacular 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | - | - | - | - |
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| 7/5/2015 | Kokomo Speedway - Kokomo, IN | Results | | Justin Grant (410 Sprints - Non-Winged) | - | - | - | 1st |
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| 7/10/2015 | Gas City I-69 Speedway - Gas City, IN Indiana Sprint Week 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 1st | - | - | 19th |
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| 7/12/2015 | Lawrenceburg Speedway - Lawrenceburg, IN Indiana Sprint Week 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 4th | - | - | 3rd |
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| 7/15/2015 | Terre Haute Action Track - Terre Haute, IN Indiana Sprint Week.....Don Smith Classic 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 3rd | - | - | 8th |
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| 7/16/2015 | Lincoln Park Speedway - Putnamville, IN Indiana Sprint Week 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 11th | - | 7th | - |
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| 7/18/2015 | Tri-State Speedway - Haubstadt, IN Indiana Sprint Week 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 4th | - | - | 8th |
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| 7/25/2015 | Waynesfield Raceway Park - Waynesfield, OH 360 Sprints - Winged: NRA Sprint Invaders 410 Sprints - Non-Winged | Results | | Justin Grant (410 Sprints - Non-Winged) | - | - | - | 4th |
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| 7/31/2015 | Belleville High Banks - Belleville, KS Silver Crown: USAC Silver Crown 360 Sprints - Non-Winged | Results | | Justin Grant (Silver Crown) | - | - | - | 3rd |
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| 8/2/2015 | Kokomo Speedway - Kokomo, IN | Results | | Justin Grant (410 Sprints - Non-Winged) | - | - | - | 1st |
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| 8/7/2015 | Gondik Law Speedway - Superior, WI 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 3rd | - | - | 18th |
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| 8/8/2015 | Cedar Lake Speedway - New Richmond, WI 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 5th | - | - | 4th |
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| 8/9/2015 | Angell Park Speedway - Sun Prairie, WI 410 Sprints - Non-Winged: USAC National Sprint Cars Badger Midgets: Badger Midget Auto Racing Association Winged A-Class | Results | | Justin Grant (410 Sprints - Non-Winged) | 7th | - | 2nd | 6th |
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| 8/14/2015 | Bloomington Speedway - Bloomington, IN 410 Sprints - Non-Winged: Midwest Sprint Car Series MSCS 305 Sprints - Winged | Results | | Justin Grant (410 Sprints - Non-Winged) | - | - | - | 6th |
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| 8/26/2015 | Kokomo Speedway - Kokomo, IN Indiana Sprint Week makeup from July 11th race.... 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 11th | - | - | - |
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| 8/27/2015 | Kokomo Speedway - Kokomo, IN Smackdown IV 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 2nd | - | - | 13th |
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| 8/28/2015 | Kokomo Speedway - Kokomo, IN Smackdown IV 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 4th | - | - | 24th |
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| 8/29/2015 | Kokomo Speedway - Kokomo, IN Smackdown IV 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | - | - | - | 7th |
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| 9/5/2015 | Lawrenceburg Speedway - Lawrenceburg, IN | Results | | Justin Grant (410 Sprints - Non-Winged) | - | - | - | 5th |
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| 9/6/2015 | DuQuoin State Fairgrounds - Duquion, IL Silver Crown: USAC Silver Crown | Results | | Justin Grant (Silver Crown) | - | - | - | 4th |
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| 9/12/2015 | Montpelier Motor Speedway - Montpelier, IN 410 Sprints - Non-Winged: BOSS Buckeye Outlaw Sprint Series | Results | | Justin Grant (410 Sprints - Non-Winged) | - | - | - | 3rd |
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| 9/18/2015 | Terre Haute Action Track - Terre Haute, IN Tony Hulman/Jim Hurtubise Classic 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 4th | - | - | 14th |
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| 9/19/2015 | Tri-State Speedway - Haubstadt, IN 410 Sprints - Non-Winged: USAC National Sprint Cars with Midwest Sprint Car Series MSCS | Results | | Justin Grant (410 Sprints - Non-Winged) | 4th | - | - | 21st |
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| 9/26/2015 | Eldora Speedway - Rossburg, OH 4 Crown Nationals Midgets: USAC National Midgets 410 Sprints - Non-Winged: USAC National Sprint Cars Silver Crown: USAC Silver Crown | Results | | Justin Grant (410 Sprints - Non-Winged) | 6th | - | 20th | - | | Justin Grant (Silver Crown) | - | - | - | 6th |
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| 10/2/2015 | Gas City I-69 Speedway - Gas City, IN | Results | | Justin Grant (410 Sprints - Non-Winged) | - | - | - | 7th |
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| 10/10/2015 | New York State Fairgrounds - Syracuse, NY Silver Crown: USAC Silver Crown | Results | | Justin Grant (Silver Crown) | - | - | - | 8th |
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| 10/16/2015 | Kokomo Speedway - Kokomo, IN Midgets, Winged Outlaw, 410 Sprints - Non-Winged | Results | | Justin Grant (410 Sprints - Non-Winged) | - | - | - | 6th |
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| 10/17/2015 | Lawrenceburg Speedway - Lawrenceburg, IN 410 Sprints - Non-Winged: USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 3rd | - | - | 13th |
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| 11/12/2015 | Perris Auto Speedway - Perris, CA Oval Nationals 410 Sprints - Non-Winged: USAC/CRA Sprints with USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 4th | - | - | 9th |
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| 11/13/2015 | Perris Auto Speedway - Perris, CA Oval Nationals 410 Sprints - Non-Winged: USAC/CRA Sprints with USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 1st | - | - | 18th |
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| 11/14/2015 | Perris Auto Speedway - Perris, CA Oval Nationals 410 Sprints - Non-Winged: USAC/CRA Sprints with USAC National Sprint Cars | Results | | Justin Grant (410 Sprints - Non-Winged) | 8th | - | 1st | 11th |
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| 11/19/2015 | CS Raceway - Tucson, AZ 48th Western World Championship 410 Sprints - Non-Winged: USAC/CRA Sprints with USAC National Sprint Cars 360 Sprints - Non-Winged: USAC Southwest | Results | | Justin Grant (410 Sprints - Non-Winged) | 5th | - | - | - | | Justin Grant (360 Sprints - Non-Winged) | - | - | - | 1st |
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| 11/20/2015 | CS Raceway - Tucson, AZ 48th Western World Championship 410 Sprints - Non-Winged: USAC/CRA Sprints with USAC National Sprint Cars 360 Sprints - Non-Winged: USAC Southwest | Results | | Justin Grant (410 Sprints - Non-Winged) | 5th | - | 5th | 17th |
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| 11/21/2015 | CS Raceway - Tucson, AZ 48th Western World Championship 410 Sprints - Non-Winged: USAC/CRA Sprints with USAC National Sprint Cars 360 Sprints - Non-Winged: USAC Southwest | Results | | Justin Grant (410 Sprints - Non-Winged) | 5th | - | 5th | 7th | | Justin Grant (360 Sprints - Non-Winged) | - | - | - | 3rd |
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