| Title: | Ústecká 21 |
| Place: | Ústí nad Orlicí |
| Tracklength: | 3650 metres |
| Elevation change: | 209 metres |
| Altitude finishline: | 560 metres |
| GPS coordinates: | 49° 58′ 5″ – 16° 23′ 34″ |
| Website: | www.ustecka21.cz |
| Fastest Time: | 3:27,05 (2 runs) |
| Average Speed: | 126,93 km/h |
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| Date | Winner | Car | Time | Final | |
|---|---|---|---|---|---|
| 29-30/05/2004 | Jaroslav Krajci |  | Lola T96/50 | 3:44,86 | Results |
| 28-29/05/2005 | Ander Vilariño |  | Reynard 01L | 3:39,18 | Results |
| 27-28/05/2006 | Milan Svoboda |  | Dallara F302 | 4:11,40 | Results |
| 26-27/05/2007 | Milan Svoboda | | Dallara STV 302 | 3:50,46 | Results |
| 24-25/05/2008 | Jaroslav Krajci | | Lola B02/50 | 3:45,99 | Results |
| 30-31/05/2009 | Otakar Kramsky | | Reynard K09 | 4:26,15 | Results |
| 29-30/05/2010 | Dan Michl | | Opel Michl | 4:20,76 | Results |
| 28-29/05/2011 | Jaroslav Krajci | | Lola B02/50 | 3:41,56 | Results |
| 28-29/05/2016 | David Komarek | | Norma M20 FC | 3:44,37 | Results |
| 27-28/05/2017 | Milos Benes | | Osella FA30 | 3:38,12 | Results |
| 25-26/08/2018 | Milos Benes | | Osella FA30 | 3:29,07 | Results |
| 24-25/08/2019 | Sébastien Petit |  | Norma M20 FC | 3:27,05 | Results |
