So you’re thinking of doing a triathlon? Well that’s great news! But let me guess: you’re not sure if joining up to a club is the right thing to do? You’re probably asking yourself, ‘Are clubs only for people who are good at triathlon already?’ and ‘Will I be able to keep up?’. Well hopefully this will answer your questions.   So why join a club if you’re a beginner? Well, in some ways joini…