Do I need to be already a personal trainer in order to get certified to train TRX? Is there a certification course in NZ? ADVERTISEMENT 659 viewsSeptember 27, 2012 0 Jacqueline September 27, 2012 0 Comments I live in New Zealand and would like to be able to teach here. 6 Answers ActiveVotedNewestOldest 0 Sue0 Posted 0 Comments Probably not but it would be advisable to get certified with TRX and really remain on top of your game as even a slight error can lead to injury. You are viewing 1 out of 6 answers, click here to view all answers. Register or Login