Training for a triathlon is not easy. You have to dig deep into the dark recesses of your soul to drudge up the courage to enter some pain and suffering. Some people call it a 'sufferfest' while others go to their 'pain closet.' Whatever you call it, you must put your body into a position to truly suffer in training so that you will be ready for the true test on race day. The real question, is how do you truly know you are ready for race day? jak biegać