| Jason Leffler's NASCAR Cup Series Start Statistics |
|---|
| No. | Race No. | Start | Finish | Car | Mfg | Laps | Led |
|---|---|---|---|---|---|---|---|
| 1 | 2001 - 01 | 15 | 34 | 1 |  | 174 | 0 |
| 2 | 2001 - 02 | 20 | 33 | 1 | | 387 | 0 |
| 3 | 2001 - 03 | 30 | 28 | 1 | | 264 | 0 |
| 4 | 2001 - 04 | 22 | 32 | 1 | | 314 | 1 |
| 5 | 2001 - 05 | 40 | 39 | 1 | | 263 | 0 |
| 6 | 2001 - 07 | 29 | 17 | 1 | | 332 | 0 |
| 7 | 2001 - 09 | 25 | 20 | 1 | | 188 | 0 |
| 8 | 2001 - 10 | 25 | 18 | 1 | | 250 | 0 |
| 9 | 2001 - 11 | 28 | 26 | 1 | | 397 | 0 |
| 10 | 2001 - 12 | 25 | 30 | 1 | | 397 | 0 |
| 11 | 2001 - 13 | 38 | 13 | 1 | | 400 | 0 |
| 12 | 2001 - 14 | 36 | 19 | 1 | | 199 | 0 |
| 13 | 2001 - 15 | 33 | 41 | 1 | | 100 | 0 |
| 14 | 2001 - 17 | 25 | 24 | 1 | | 160 | 0 |
| 15 | 2001 - 18 | 15 | 24 | 1 | | 266 | 0 |
| 16 | 2001 - 19 | 41 | 27 | 1 | | 299 | 0 |
| 17 | 2001 - 20 | 21 | 21 | 1 | | 200 | 0 |
| 18 | 2001 - 21 | 29 | 26 | 1 | | 159 | 0 |
| 19 | 2001 - 23 | 11 | 24 | 1 | | 161 | 0 |
| 20 | 2001 - 24 | 43 | 30 | 1 | | 436 | 0 |
| 21 | 2001 - 25 | 38 | 43 | 1 | | 90 | 0 |
| 22 | 2001 - 26 | 42 | 28 | 1 | | 396 | 0 |
| 23 | 2001 - 28 | 1 | 28 | 1 | | 256 | 1 |
| 24 | 2001 - 29 | 33 | 43 | 1 | | 44 | 0 |
| 25 | 2001 - 30 | 42 | 37 | 1 | | 458 | 0 |
| 26 | 2001 - 31 | 41 | 15 | 1 | | 188 | 5 |
| 27 | 2001 - 32 | 36 | 41 | 1 | | 252 | 0 |
| 28 | 2001 - 33 | 35 | 30 | 1 | | 390 | 0 |
| 29 | 2001 - 34 | 7 | 10 | 1 | | 267 | 0 |
| 30 | 2001 - 36 | 35 | 30 | 1 | | 296 | 0 |
| 31 | 2002 - 35 | 36 | 31 | 7 | | 309 | 0 |
| 32 | 2002 - 36 | 29 | 35 | 7 | | 263 | 0 |
| 33 | 2003 - 21 | 26 | 33 | 0 |  | 154 | 0 |
| 34 | 2003 - 23 | 6 | 35 | 0 | | 166 | 0 |
| 35 | 2003 - 24 | 30 | 26 | 0 | | 458 | 0 |
| 36 | 2003 - 25 | 36 | 26 | 0 | | 356 | 0 |
| 37 | 2003 - 26 | 40 | 28 | 0 | | 397 | 19 |
| 38 | 2003 - 27 | 41 | 27 | 0 | | 298 | 0 |
| 39 | 2003 - 28 | 37 | 25 | 0 | | 398 | 0 |
| 40 | 2003 - 30 | 6 | 30 | 0 | | 265 | 6 |
| 41 | 2003 - 31 | 24 | 35 | 0 | | 325 | 0 |
| 42 | 2003 - 32 | 34 | 27 | 0 | | 498 | 0 |
| 43 | 2004 - 21 | 25 | 43 | 60 |  | 3 | 0 |
| 44 | 2005 - 01 | 40 | 36 | 11 | | 168 | 0 |
| 45 | 2005 - 02 | 39 | 37 | 11 | | 215 | 0 |
| 46 | 2005 - 03 | 17 | 22 | 11 | | 266 | 0 |
| 47 | 2005 - 04 | 10 | 25 | 11 | | 323 | 0 |
| 48 | 2005 - 05 | 36 | 38 | 11 | | 342 | 0 |
| 49 | 2005 - 06 | 12 | 12 | 11 | | 500 | 0 |
| 50 | 2005 - 07 | 29 | 36 | 11 | | 250 | 0 |
| 51 | 2005 - 08 | 18 | 29 | 11 | | 309 | 0 |
| 52 | 2005 - 09 | 18 | 26 | 11 | | 171 | 0 |
| 53 | 2005 - 10 | 25 | 38 | 11 | | 285 | 0 |
| 54 | 2005 - 11 | 38 | 25 | 11 | | 399 | 0 |
| 55 | 2005 - 13 | 36 | 20 | 11 | | 398 | 0 |
| 56 | 2005 - 14 | 30 | 40 | 11 | | 43 | 0 |
| 57 | 2005 - 15 | 26 | 20 | 11 | | 200 | 0 |
| 58 | 2005 - 17 | 8 | 18 | 11 | | 160 | 8 |
| 59 | 2005 - 18 | 43 | 20 | 11 | | 267 | 0 |
| 60 | 2005 - 19 | 27 | 24 | 11 | | 299 | 1 |
| 61 | 2005 - 20 | 19 | 24 | 11 | | 203 | 0 |
| 62 | 2005 - 21 | 18 | 33 | 11 | | 159 | 0 |
| 63 | 2008 - 14 | 26 | 40 | 70 | | 140 | 0 |
| 64 | 2008 - 19 | 43 | 27 | 70 | | 267 | 0 |
| 65 | 2008 - 20 | 21 | 32 | 70 | | 160 | 0 |
| 66 | 2010 - 26 | 35 | 43 | 32 |  | 30 | 0 |
| 67 | 2010 - 30 | 33 | 43 | 66 | | 23 | 0 |
| 68 | 2012 - 22 | 41 | 35 | 49 | | 42 | 0 |
| 69 | 2012 - 23 | 33 | 43 | 19 |  | 14 | 0 |
| 70 | 2012 - 24 | 39 | 31 | 49 | | 417 | 0 |
| 71 | 2012 - 25 | 34 | 38 | 49 | | 77 | 0 |
| 72 | 2012 - 35 | 40 | 42 | 91 | | 10 | 0 |
| 73 | 2013 - 14 | 42 | 43 | 19 | | 8 | 0 |
