C155 Exercise(part I)

With only 500 meters and 400 meters left, Li Haimu's legs were in pain, and even though Zhang Can Lan wasn't heavy, she was still about 120 pounds. With a 120 lb man on her back, she could still run 2 kilometers on the mountain road, and after nearly 8 kilometers of running, no matter what kind of systematic training Li Haimu had received, he would still feel a very serious sense of tiredness