Suppose you are doing well in your Fast Track evaluation but didn't hit your profit target within the maximum allowed days. In that case, you can "roll" your evaluation into a 1 step evaluation of the same size at a discounted rate. You will see a notice on your trader dashboard with information on how to do this.
You have 5 days after your Fast Track evaluation expires to roll it into a 1 step evaluation. If you don't do it within the 5 days allowed you will have to start over in a new evaluation of your choosing. There are no exceptions to this rule.