Formula One teams aren't the only ones partaking in pre-season testing this weekend.
The majority of the test work for the sixth round of the championship was done by the regular Porsche LMP1 drivers.
Krohn Racing is making the jump up to LMP2 come 2015 and so far, everything is looking good.
Christensen and Makowiecki got the chance to test the 919 at the Magny-Cours circuit in France.
Porsche Team tested the Le Mans Prototype Porsche 919 Hybrid in Germany.
Donimik Kraihamer: "It was only my first test. The beginning is always easy."
All the teams present profited from the conditions to finalise their cars’ set up and work through their planned testing programmes.
Porsche 919 was on track this past weekend at Circuit Paul Ricard for some last minute testing.
Tracy Krohn: “It was very slippery today and the track was quite green but we’re making good progress actually."
World Endurance Championship is making their debut at the Circuit of The Americas. The drivers took to the circuit for two testing sessions.
Larbre Competition team makes its 20th appearance at Le Mans 24 Hours
The Florida-based team is debuting its orange-colored Ferrari 458 Italia in partnership with AF Corse.
A large crowd attended the pre-FIA World Endurance Championship test at the Le Castellet track.
OAK Racing had a trouble-free test with no technical problems.
The fastest time of both days of testing was set in the Saturday afternoon session with a time of 1:43.52.
The 20 cars present in France now return to their individual bases to make their final preparations before heading to Silverstone in the UK.
Teams take to the Castellet to try out their machines before the season opener at Silverstone next month.