Grala has been a Daytona Prototype driver since the class debuted in the 2003 Rolex 24 Hours of Daytona.
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On June 22, 2003 Grala had his first podium finish in a Daytona Prototype at his home track in Watkins Glen, New York.
Darius Milhaud | Darius | Darius N. Couch | Darius III | Darius the Great | Darius Perkins | Darius I | Adam Darius | Steponas Darius | Darius Gray | Xerxes' father Darius | Hystaspes (father of Darius I) | Darius Žutautas | Darius Walker | Darius Lakdawalla | Darius Khondji | Darius Hill | Darius (Highlander) | Darius Draudvila | Darius Dhlomo | Darius de Haas | Darius Brubeck | Alright (Darius Rucker song) |