| Raceid | Date | Reports | Race Name |
| 1987 | 06/0906/09/2018 | Stats | Results | Rockabilly Gran Prix - Dr. Volker Winkler Memorial Time Trial |
| Extended MSA | Count | % |
| Memphis, TN | 26 | 21.7% |
| *Other; West TN*, TN | 18 | 15.0% |
| Nashville, TN | 13 | 10.8% |
| Chattanooga, TN | 10 | 8.3% |
| *Other; Mid TN*, TN | 7 | 5.8% |
| Knoxville, TN | 6 | 5.0% |
| Louisville, KY | 5 | 4.2% |
| *Statewide*, IL | 4 | 3.3% |
| Birmingham, AL | 4 | 3.3% |
| Cookeville/Crossville, TN | 4 | 3.3% |
| St. Louis, MO | 4 | 3.3% |
| *Other; KY*, KY | 3 | 2.5% |
| *Other; Mid GA*, GA | 3 | 2.5% |
| *Statewide*, MS | 3 | 2.5% |
| Athens, GA | 3 | 2.5% |
| Atlanta, GA | 3 | 2.5% |
| *Other; AL*, AL | 1 | 0.8% |
| *Other; MO*, MO | 1 | 0.8% |
| Cincinnati, OH | 1 | 0.8% |
| Huntsville, AL | 1 | 0.8% |
| Total: | 120 | 100.0% |
| MSA | Count | % |
| ** Unassigned ** | 42 | 35.0% |
| Memphis, TN | 26 | 21.7% |
| Chattanooga, TN | 10 | 8.3% |
| Nashville, TN | 6 | 5.0% |
| Knoxville, TN | 5 | 4.2% |
| Louisville, KY | 5 | 4.2% |
| Birmingham, AL | 4 | 3.3% |
| St. Louis, MO | 4 | 3.3% |
| Athens, GA | 3 | 2.5% |
| Atlanta, GA | 3 | 2.5% |
| Chicago, IL | 3 | 2.5% |
| Cookeville, TN | 3 | 2.5% |
| Murfreesboro, TN | 3 | 2.5% |
| Cincinnati, OH | 1 | 0.8% |
| Huntsville, AL | 1 | 0.8% |
| Tupelo, MS | 1 | 0.8% |
| Total: | 120 | 100.0% |
| Hometown | Count | % |
| Memphis, TN | 11 | 9.2% |
| Jackson, TN | 7 | 5.8% |
| Germantown, TN | 5 | 4.2% |
| Knoxville, TN | 5 | 4.2% |
| Nashville, TN | 5 | 4.2% |
| Ooltewah, TN | 4 | 3.3% |
| St. Louis, MO | 4 | 3.3% |
| Tullahoma, TN | 4 | 3.3% |
| Alpharetta, GA | 3 | 2.5% |
| Apison, TN | 3 | 2.5% |
| Athens, GA | 3 | 2.5% |
| Birmingham, AL | 3 | 2.5% |
| Chattanooga, TN | 3 | 2.5% |
| Collierville, TN | 3 | 2.5% |
| Cookeville, TN | 3 | 2.5% |
| Cordova, TN | 3 | 2.5% |
| Cumming, GA | 3 | 2.5% |
| Dover, TN | 3 | 2.5% |
| Murfreesboro, TN | 3 | 2.5% |
| Carol Stream, IL | 2 | 1.7% |
| Cerulean, KY | 2 | 1.7% |
| Dickson, TN | 2 | 1.7% |
| Goshen, KY | 2 | 1.7% |
| Louisville, KY | 2 | 1.7% |
| Mckenzie, TN | 2 | 1.7% |
| Milan, TN | 2 | 1.7% |
| Arlington, TN | 1 | 0.8% |
| Belden, MS | 1 | 0.8% |
| Bon Aqua, TN | 1 | 0.8% |
| Brookville, IN | 1 | 0.8% |
| Crestwood, KY | 1 | 0.8% |
| Crossville, TN | 1 | 0.8% |
| Dresden, TN | 1 | 0.8% |
| Friendsville, TN | 1 | 0.8% |
| Gallatin, TN | 1 | 0.8% |
| Hendersonville, TN | 1 | 0.8% |
| Humboldt, TN | 1 | 0.8% |
| Lexington, TN | 1 | 0.8% |
| Madison, AL | 1 | 0.8% |
| Munford, TN | 1 | 0.8% |
| Murray, KY | 1 | 0.8% |
| Muscle Shoals, AL | 1 | 0.8% |
| Oakland, TN | 1 | 0.8% |
| Olive Branch, MS | 1 | 0.8% |
| Paris, TN | 1 | 0.8% |
| Pegram, TN | 1 | 0.8% |
| Quincy, IL | 1 | 0.8% |
| Sainte Genevieve, MO | 1 | 0.8% |
| Shannon, MS | 1 | 0.8% |
| Springfield, TN | 1 | 0.8% |
| Trussville, AL | 1 | 0.8% |
| Tupelo, MS | 1 | 0.8% |
| Wartrace, TN | 1 | 0.8% |
| Wheaton, IL | 1 | 0.8% |
| Total: | 120 | 100.0% |
