The #55 Mazda Prototype of Jonathan Bomarito and Tristan Nunez set the pace in opening practice for this weekends BUBBA burger Sports Car Grand Prix at Long Beach, round three of the WeatherTech United SportsCar Championship.
Bomarito set the best time of 1m15.917s during the Friday morning session, ensuring the American duo sat on top of the timing sheets, albeit by just 0.039s from the #10 Wayne Taylor Racing Corvette DP of Ricky and Jordan Taylor.
The #90 VisitFlorida Racing Corvette DP of Marc Goossens and Ryan Hunter-Reay placed third on a 1m16.288s, a time also set by the #70 Mazda Motorsports machine of Tom Long and Joel Miller.
The #31 Action Express Corvette DP of Dane Cameron and Eric Curran completed the top five, ahead of their team-mates Christian Fittipaldi and Joao Barbosa and the #60 Michael Shank Racing entry of Oswaldo Negri Jr and John Pew, the latter causing a red flag when he crashed into the turn nine tyres.
The #54 CORE autosport entry of Jon Bennett and Colin Braun led the Prototype Challenge class with a best time of 1m17.185s, with the #8 Starworks Motorsport entry of Renger van der Zande and Alex Popow second in class and the #52 PR1/Mathiasen Motorsports entry of Robert Alon and Tom Kimber-Smith third.
The championship leading #4 Corvette Racing entry of Oliver Gavin and Tommy Milner led the way in the GT Le Mans class with a best time of 1m18.533s, with the #100 BMW Team RLL entry of John Edwards and Lucas Luhr second and the #3 Corvette of Antonio Garcia and Jan Magnussen third.