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| Justin MacDuff |
 | Nickname: J-Mac |
| Hometown: Hudson Falls, NY |
| Birthday: October 27, 1995 |
| Team: Empire Racing Team |
| Sponsor: Art’s Barber Shop |
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| Late Model Pro Series |
| Season Stats |
| Year | Pts | Starts | Wins | Top 5 | Top 10 | Pts | Bns | Pen | Led | Inc |
| 2024 | 30 | 2 | 0 | 0 | 2 | 256 | 0 | 0 | 0 | 0 |
| 2022 | 5 | 10 | 0 | 5 | 7 | 1302 | 0 | 0 | 0 | 48 |
| 2021 | 7 | 10 | 0 | 3 | 9 | 1332 | 0 | 0 | 0 | 49 |
| 2020 | 10 | 11 | 0 | 2 | 4 | 1100 | 6 | -10 | 0 | 62 |
| 2019 | 6 | 16 | 1 | 8 | 9 | 1321 | 12 | -6 | 208 | 52 |
| 2018 | 10 | 14 | 1 | 8 | 10 | 1132 | 20 | -36 | 212 | 46 |
| 2017 | 15 | 13 | 0 | 0 | 7 | 380 | 3 | -3 | 0 | 64 |
| 2016 | 10 | 16 | 0 | 2 | 5 | 1151 | 6 | -5 | 4 | 71 |
| 2015 | 9 | 12 | 0 | 0 | 1 | 5088 | 9 | -5 | 0 | 89 |
| Dirt Pro Series |
| Season Stats |
| Year | Pts | Starts | Wins | Top 5 | Top 10 | Pts | Bns | Pen | Led | Inc |
| 2024 | 32 | 2 | 0 | 0 | 1 | 254 | 0 | 0 | 0 | 8 |
| 2021 | 31 | 5 | 0 | 0 | 1 | 572 | 0 | 0 | 4 | 22 |
| 2021 | 7 | 8 | 1 | 2 | 6 | 662 | 0 | 0 | 7 | 44 |
| 2020 | 6 | 11 | 1 | 5 | 7 | 677 | 16 | 0 | 56 | 36 |
| 2019 | 19 | 5 | 0 | 2 | 3 | 338 | 10 | 0 | 0 | 12 |
| Fueled By Verge Late Model Pro Series |
| Race Results |
| Date | Race | Str | Fin | Int | Laps | Led | Inc | Pts | Bns | Pen | Total | Status |
| November 14, 2019 | Fueled By Verge 109 | 3 | 3 | -1.413 | 109 | 0 | 0 | 66 | 2 | 0 | 68 | Running |
| November 21, 2019 | Schoony’s Market 75 | 9 | 7 | -2.675 | 75 | 0 | 0 | 58 | 2 | 0 | 60 | Running |
| December 5, 2019 | Rumar Vinyl Designs 125 | 16 | 21 | -17.795 | 125 | 0 | 8 | 30 | 0 | -2 | 28 | Running |
| December 12, 2019 | The No Bull 125 Presented By BRM | 2 | 1 | – | 125 | 118 | 0 | 73 | 2 | 0 | 75 | Running |
| December 19, 2019 | Short Track Racing 125 Presented by Racing Designs | 28 | 28 | | 0 | 0 | 0 | 20 | 0 | 0 | 20 | Provisional |
| January 2, 2020 | Sun Fun 101 Pres By Race Replicas By Kenny Johnson | 4 | 4 | -1.95 | 101 | 0 | 4 | 64 | 0 | 0 | 64 | Running |
| January 9, 2020 | Zomongo 125 Presented By Beth’s Colorful Creations | 9 | 3 | -0.669 | 125 | 0 | 4 | 66 | 0 | 0 | 66 | Running |
| January 16, 2020 | Snowflake 100 Presented By Hanson’s Starter Shop | 14 | 11 | -7.969 | 100 | 0 | 4 | 50 | 0 | 0 | 50 | Running |
| January 23, 2020 | Eddie’s Meat Market 125 | 7 | 14 | -14.106 | 125 | 0 | 12 | 44 | 0 | -2 | 42 | Running |
| January 30, 2020 | Beth’s Colorful Creations Throw Back 150 | 2 | 3 | -1.797 | 150 | 63 | 0 | 66 | 2 | 0 | 68 | Running |
| February 13, 2020 | Art’s Barber Shop 125k | 5 | 2 | -0.607 | 78 | 27 | 0 | 68 | 2 | 0 | 70 | Running |
| February 20, 2020 | Rumar Vinyl Designs 125 | 4 | 16 | -81 L | 44 | 0 | 4 | 40 | 0 | 0 | 40 | DNF |
| February 27, 2020 | Southern Heat Pres By Race Replicas by Kenny Johnson | 1 | 16 | -72 L | 53 | 0 | 6 | 40 | 0 | 0 | 40 | Running |
| March 5, 2020 | The Mighty Midget 161 Pres By Carpenter’s Tax Service | 5 | 20 | -129 L | 32 | 0 | 2 | 32 | 0 | 0 | 32 | DNF |
| March 12, 2020 | Fueled By Verge Championship Twin 100’s | 10 | 2 | -0.983 | 100 | 0 | 0 | 68 | 2 | 0 | 70 | Running |
| March 12, 2020 | Fueled By Verge Championship Twin 100’s | 7 | 3 | -4.556 | 100 | 0 | 8 | 66 | 0 | -2 | 64 | Running |
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