What does F.A.S.T. short for? By Posted May 1, 2014 In What does F.A.S.T. short for?2014-05-012014-05-01https://fastrainingllc.com/wp-content/uploads/2014/04/FASTlogo1.pngF.A.S.T. Training, LLChttps://fastrainingllc.com/wp-content/uploads/2014/04/FASTlogo1.png200px200px 0 F.A.S.T. is an acronym that stands for Functional Athletic Sequence Training. admin