Tommy Milner will compete in both the TUDOR and WEC races Saturday.
Toyota has displaced Audi at the top as rain showers in the COTA.
Corvette Racing discusses some of the challenges involved in running both races this weekend.
Krohn Racing has announced plans to run a Ligier JS P2 in 2015.
ESM will be pulling double-duty this weekend.
The WEC is catching F1 in popularity, and it's catching them at a blistering fast pace.
Nick Heidfeld and Nicolas Prost must put the Beijing clash behind them as they prepare for the next WEC race, and it appears they have.
Christensen and Makowiecki got the chance to test the 919 at the Magny-Cours circuit in France.
The team has announced driver changes in both of their 911's ahead of the WEC race at COTA.
Porsche Team tested the Le Mans Prototype Porsche 919 Hybrid in Germany.
After a three month break, the WEC gets back racing in Austin, Texas.
C7.R has all-American team for Six Hours of Circuit of The Americas
It is believed that the team will make a rare second annual appearance in the WEC later this year.
RAAM Racing has withdrawn its two entries in the World Endurance Championship.
Audi once again, claiming a 13th victory, thanks to drivers Tréluyer, Fässler and Lotterer (third success for this trio at Le Mans), part of a 1-2 finish this year.
ACO President Pierre Fillon , and FIA President, Jean Todt, have signed the contract extending the agreement between the ACO and FIA.
Porsche is fielding its most innovative prototypes at the 24 hours of Le Mans.
Nissan has revealed plans to launch a two-car assault on Le Mans in 2015.
No other prototype in the WEC starting field has such an efficient and complex hybrid system as the new Porsche 919 Hybrid.
British Racing driver Archie Hamilton will partner Johnny Mowlem and Mark Patterson in the third round of the FIA World Endurance Championship.
#26 Morgan-Nissan LM P2 coasted to a wonderful victory at Spa, the second victory in a row in the FIA World Endurance Championship LM P2 category.