Don’t fear them… they might be scary at first, but they are the reason why others will fear you after! 🙂 They will make you faster, stronger and give you confidence.
1,8km up + 140m of vertical climb + 1,8km down + repeat + repeat +… = nice training session!
I’ve attached a video (sorry for the quality) that gives great info on fiber muscle used in running ang 5 different type or workouts with hills. Give it a try for a couple of sessions. I’m sure you won’t regret it in the end!