跑步機練跑 2000m(10k/h) 800m(11k/h) 400m(10.5k/h) 800m(12k/h) 400m(11k/h) 800m(13k/h) 400m(11k/h) 800m(12k/h) 400m(11k/h) 2800m(10k/h) 400m(14k/h)