Join Ciri in a run along the ramparts down to the Lower Courtyard.
Learn the fundamentals of movement en route to meeting with Vesemir in the lower courtyard below.
Follow the crenelations until you reach the wooden platform overlooking the lower courtyard. Speak with Ciri (who has something to say depending on whether you finished the race before or after her), then speak with Vesemir again. Answer how you wish, before choosing the following:
Agreeing to test combat fundamentals (recommended).
Agreeing to test combat fundamentals (recommended).
Choosing to start free training.