Round 3 of the 2014-2015 Masters of Endurance season, the 24 Hours of Spa-Francorchamps supported by Blue Flag Racing. Hours 4, 5 and 6. Commentary by Phil Diaz, Oscar Hardwick, Lewis McGlade, and Michael Passingham.br br Masters of Endurance is sponsored by the following: Blue Flag Racing - -- Derek Speare Designs - -- Grand Prix 247 - -- iGP Manager - . Masters of Endurance uses the iRacing simulation game.