Idioms describing "running fast" are: striding like a meteor, flying like a whip, and walking like a fly.

walk with vigorous strides

Pronunciation: [[dàbùLiúxěng]]?

Meaning: describe striding and walking fast.

Make sentences:

Seeing the traffic jam ahead, the traffic police strode through the traffic to ease the traffic.

Look at Xiao Ming striding and strutting, as if something good had happened to him today.

He strode towards me.

Whip the flying horse to a faster speed-accelerate.

Pronunciation: [kuaimji ā biā n]

Meaning: Hurry up and run faster.

Make sentences:

We should make rapid progress in our studies.

China's economic construction must be accelerated.

Chinese cabbage has been planted, but we have to hurry to finish sowing wheat.

Walk as if you have wings ―― walk quickly and forcefully.

Pronunciation: [jian bü rü fü i]

Meaning: vigorous pace and fast running.

Make sentences:

Although the old man is over seventy years old, he still walks like a fly.

Zhang Laobo, who is over 70 years old, looks childish, but walks like a fly.

Despite his age, he still walks briskly.