Jason Leffler NASCAR Cup Series results at Chicagoland
Back to Jason Leffler career stats
| Year | Race # | Start | Finish | Car # | Sponsor | Engine | Owner | Crew Chief | Qualifying Speed | Laps | X Led | Laps Led | Status | Money | Points |
| 2001 | 18 | 15 | 24 | 01 | Cingular Wireless | Dodge | Ganassi | Chambers | 180.929 | 266 | 0 | 0 | running | 58600 | 91 |
| 2005 | 18 | 43 | 20 | 11 | FedEx Express | Chevrolet | Gibbs | Ford | 181.818 | 267 | 0 | 0 | running | 93050 | 103 |
| 2008 | 19 | 43 | 27 | 70 | Haas Automation | Chevrolet | Haas | Genenbacher | 267 | 0 | 0 | running | 82725 | 82 |
