Round 3 of the 2014-2015 Masters of Endurance season, the 24 Hours of Spa-Francorchamps supported by Blue Flag Racing. Hours 7, 8, and 9. Commentary by Phil Diaz, Oscar Hardwick, and Jonathan Palmerbr 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.