Does the thought of the Comrades Marathon up runs’ hills scare you?

In today's Comrades Marathon related question on Ask Coach Parry, we answer a question from Nazreen. She says, “Thanks for all the valuable advice. 2015 will be my second Comrades Marathon and it scares me because it has so many climbs. How can I improve my hill running (endurance) gradually, to prepare for all those climbs on the Comrades Marathon up run?”