Jan Vonka
Born: 05/17/1963 in Slaný, Central Bohemia, Czech Republic
24 Hours of Daytona
| Year | Start | Finish | Class | Class Rank | Car # | Sponsor | Engine | Owner | Qualifying Time | Laps | X Led | Laps Led | Points |
| 2012 | 54 | 48 | GT | 35 | 34 | GlobalBarterCorp.com/Matt Connolly Motorsports | Porsche GT3 Cup | Orbit | 1:54.402 | 383 | 0 | 0 | 16 |
12 Hours of Sebring
| Year | Start | Finish | Class | Class Rank | Car # | Sponsor | Chassis | Engine | Tire | Owner | Qualifying Time | Laps | X Led | Laps Led | Points |
| 2006 | 27 | 28 | GT2 | 14 | 56 | Vonka Racing | Porsche 911 GT3-RS | Porsche 3.6L Flat-6 | Dunlop | Vonka | 2:15.173 | 130 | 0 | 0 | 0 |
American Le Mans Series
| Year | Class | Rank | Points | Starts | Poles | Class Wins | Overall Wins | Races Led | Races Led Most | X Led | Laps Led | Fastest Laps |
| 2006 | GT2 | 52 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Career | | 52.0000 | | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Grand-Am Rolex Series
| Year | Class | Rank | Points | Starts | Poles | Class Wins | Overall Wins | Races Led | Races Led Most | X Led | Laps Led | Fastest Laps |
| 2012 | GT | 102 | 16 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Career | | 102.0000 | | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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