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2005 NASCAR AutoZone Elite Division, Southwest Series
| 01/30 | Phoenix International Raceway | 37 | 6 | 4,550 | Running |
| 04/09 | Mesa Marin Raceway | 12 | 22 | 510 | Accident |
| 04/30 | Stockton 99 Speedway | 6 | 3 | 1,700 | Running |
| 05/14 | Mesa Marin Raceway | 6 | 5 | 1,850 | Running |
| 06/04 | Colorado National Speedway | -- | -- | 0 | DNQ |
| 10/15 | Mesa Marin Raceway | 11 | 22 | 925 | Accident |
| All Events | | Total Races: | 5 | | Wins: | 0 (0%) | | Top 5: | 2 (40%) | | Top 10: | 3 (60%) | | Average Finish: | 11.6 |
| Superspeedway Events | | Total Races: | 1 | | Wins: | 0 (0%) | | Top 5: | 0 (0%) | | Top 10: | 1 (100%) | | Average Finish: | 6 |
| | Short Track Events | | Total Races: | 4 | | Wins: | 0 (0%) | | Top 5: | 2 (50%) | | Top 10: | 2 (50%) | | Average Finish: | 13 |
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: Jeff Jefferson Driver Card 2004 NASCAR AutoZone Elite Division, Southwest Series
| 01/25 | Phoenix International Raceway | 13 | 4 | 4,333 | Running |
| 08/21 | Colorado National Speedway | 7 | 24 | 800 | Suspension |
| 11/04 | Phoenix International Raceway | 12 | 28 | 1,125 | Accident |
| All Events | | Total Races: | 3 | | Wins: | 0 (0%) | | Top 5: | 1 (33.3%) | | Top 10: | 1 (33.3%) | | Average Finish: | 18.67 |
| Superspeedway Events | | Total Races: | 2 | | Wins: | 0 (0%) | | Top 5: | 1 (50%) | | Top 10: | 1 (50%) | | Average Finish: | 16 |
| | Short Track Events | | Total Races: | 1 | | Wins: | 0 (0%) | | Top 5: | 0 (0%) | | Top 10: | 0 (0%) | | Average Finish: | 24 |
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: Jeff Jefferson Driver Card 2003 NASCAR AutoZone Elite Division, Southwest Series
| 10/30 | Phoenix International Raceway | 3 | 2 | 5,600 | Running |
| All Events | | Total Races: | 1 | | Wins: | 0 (0%) | | Top 5: | 1 (100%) | | Top 10: | 1 (100%) | | Average Finish: | 2 |
| Superspeedway Events | | Total Races: | 1 | | Wins: | 0 (0%) | | Top 5: | 1 (100%) | | Top 10: | 1 (100%) | | Average Finish: | 2 |
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: Jeff Jefferson Driver Card 2002 NASCAR AutoZone Elite Division, Southwest Series
| 02/02 | Phoenix International Raceway | 7 | 5 | 5,050 | Running |
| All Events | | Total Races: | 1 | | Wins: | 0 (0%) | | Top 5: | 1 (100%) | | Top 10: | 1 (100%) | | Average Finish: | 5 |
| Superspeedway Events | | Total Races: | 1 | | Wins: | 0 (0%) | | Top 5: | 1 (100%) | | Top 10: | 1 (100%) | | Average Finish: | 5 |
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: Jeff Jefferson Driver Card 2001 NASCAR AutoZone Elite Division, Southwest Series
| 10/25 | Phoenix International Raceway | 3 | 5 | 3,200 | Running |
| All Events | | Total Races: | 1 | | Wins: | 0 (0%) | | Top 5: | 1 (100%) | | Top 10: | 1 (100%) | | Average Finish: | 5 |
| Superspeedway Events | | Total Races: | 1 | | Wins: | 0 (0%) | | Top 5: | 1 (100%) | | Top 10: | 1 (100%) | | Average Finish: | 5 |
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: Jeff Jefferson Driver Card
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