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| Justin MacDuff |
 | Nickname: J-Mac |
| Hometown: Hudson Falls, NY |
| Birthday: October 27, 1995 |
| Team: Empire Racing Team |
| Sponsor: LMNT |
|
| 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 |
| Beth’s Colorful Creations Pro Series |
| Race Results |
| Date | Race | Str | Fin | Int | Laps | Led | Inc | Pts | Bns | Pen | Total | Status |
| October 14, 2021 | Beth’s Colorful Creations Sweet Start | 11 | 3 | -3.102 | 111 | 0 | 0 | 142 | 0 | 0 | 142 | Running |
| October 21, 2021 | Art’s Barber Shop 100 | 12 | 12 | -5.850 | 100 | 0 | 2 | 122 | 0 | 0 | 122 | Running |
| October 28, 2021 | Dr Noise Custom Graphics 100 | 6 | 2 | -0.485 | 102 | 0 | 4 | 146 | 0 | 0 | 146 | Running |
| November 18, 2021 | Dr Noise Custom Diecast 100 | 7 | 6 | -3.036 | 104 | 0 | 4 | 134 | 0 | 0 | 134 | Running |
| December 2, 2021 | Beth’s Colorful Circle Cakes 100 | 9 | 11 | -1.654 | 106 | 0 | 12 | 124 | 0 | 0 | 124 | Running |
| December 9, 2021 | Dr Noise Custom Diecast 100 | 9 | 9 | -3.594 | 102 | 0 | 4 | 128 | 0 | 0 | 128 | Running |
| December 16, 2021 | Dr Noise Custom Graphics 100 | 6 | 5 | -1.494 | 100 | 0 | 4 | 136 | 0 | 0 | 136 | Running |
| January 6, 2022 | Dan Dubque Memorial | 13 | 8 | -3.223 | 161 | 0 | 0 | 130 | 0 | 0 | 130 | Running |
| January 20, 2022 | Beth’s Colorful Creations 100 | 6 | 8 | -2.245 | 100 | 0 | 4 | 130 | 0 | 0 | 130 | Running |
| January 27, 2022 | Racing Designs 100 | 8 | 7 | -1.392 | 154 | 0 | 12 | 132 | 0 | 0 | 132 | Running |
| February 3, 2022 | Carpenter’s Tax 100 | 12 | 14 | -12.835 | 100 | 0 | 10 | 118 | 0 | 0 | 118 | Running |
| February 10, 2022 | Beth’s Colorful Creations Championship 150 | 8 | 8 | -5.871 | 150 | 0 | 5 | 130 | 0 | 0 | 130 | Running |
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