Kevin Buckler's TRG has three GT class triumphs in the Rolex 24 – including overall honors in 2003 – and will have a contingent of five Porsches in a bid to add to the team's honors. Two-time Rolex 24 winner Timo Bernhard joins Romain Dumas, Tim George Jr., Spencer Pumpelly and NASCAR champion Bobby Labonte in the No. 71 Porsche GT3. The No. 67 – fielded in cooperation with Flying Lizard Motorsports – includes three-time Rolex 24 winner Jorg Bergmeister with Pat Long, Seth Neiman and Johannes van Overbeek. Andy Lally, a two-time Rolex 24 winner, shares the No. 66 AXA Porsche with Ted Ballou, Kelly Collins, Patrick Flanagan and Wolf Henzler.
Stevenson Motorsports, runner-up for the GT championship the past two years, switches from Pontiac to Camaro and adds a second car for 2010. Andrew Davis, Robin Liddell and Jan Magnussen co-drive the No. 57, with Mike Borkowski, Gunter Schaldach, Matt Bell and Brady Refenning in the No. 97.
SpeedSource – 2008 Rolex 24 winners and two-time winners of the Daytona summer race – brings a two-car lineup. Sylvain Tremblay, Nick Ham, Jonathan Bomarito and David Haskell are in the No. 70 Castrol Syntec Mazda RX-8, with Emil Assentato, Jeff Segal, Nick Longhi and Anthony Lazzaro in the No. 69 FXDD Mazda RX-8.
Dempsey Racing expands to two Mazda RX-8s for 2010. Popular racer/actor Patrick Dempsey co-drives the No. 40 RX-8 with Joe Foster and Charles Espenlaub, while defending GT champion Leh Keen shares the No. 41 Team Seattle/Global Diving Mazda with James Gue and Don Kitch. Other contending Mazda RX-8s include a pair of Team Sahlen entries for Joe Sahlen with Joe, Wayne and Will Nonnamaker, plus the No. 30 Racers Edge Motorsports entry for 17-year-old Jordan Taylor, Todd Lamb, Glenn Bocchino and Jade Buford.
The BMW M6 will make its second appearance in the Rolex 24. Continental Tire Sports Car Challenge standout Turner Motorsport steps up for its Rolex 24 debut with the No. 94 for Bill Auberlen, Boris Said, Joey Hand and Paul Della Lana. Rob Finlay, Max Hyatt, Thomas Merrill and Jeff Westphal share the No. 32 Corsa Team PR1 BMW.
Godstone Ranch Motorsports debuts the No. 07 Corvette for 1990 Rolex 24 winner Davy Jones, Paul Edwards, John McCutchen and motorcycle legend Scott Russell. Tony Dowe, who led TRG Jaguars to two overall victories and two additional class victories in the Rolex 24, will oversee the effort for Leighton Reese and Mike Baughman. Other GM entries include a Pontiac for Autohaus Motorsports and a Pontiac GTO and Corvette as part of a three cars for Matt Connolly Motorsports.
Sigalsport returns to the Rolex Series with a Ferrari 430 Challenge for IndyCar Series driver Roger Yasukawa, Gene Sigal, Rusty West and Fred Poordad. A second Ferrari has been entered by Wil Mar Racing.
Alex Job Racing has the No. 23 Foametrix/Battery Tender GT3 for Martin Ragginger, Jack Baldwin, Claudio Burtin, Dominik Farnbacher and Mitch Pagerey. JLowe Racing has 1996 overall winner and 1990 class winner Jim Pace, joined by Dr. Jim Lowe, Eric Lux and Tim Sugden. Other Porsche teams include Miller Barrett Racing with Bryce Miller, Peter Ludwig, Kevin Roush and Luke Hines; Orbit Racing with veterans Johnny Mowlem and Guy Cosmo; Canada's Bullet Racing with a lineup including Ross Bentley and Kees Nierop; Magnus Racing, making its debut with Craig Stanton, John Potter, Richard Lietz and Joeroen Bleekemolen; Autometrics Motorsports and Matt Connolly Motorsports.
Practice for the Rolex 24 begins at 10 a.m. Thursday, with qualifying set for 4:15 p.m. and night practice at 6:30. The weekend also includes the opening round of the Continental Tire Sports Car Challenge, with the Fresh From Florida 200 set for 1:45 p.m. Friday.