He finished reading the book by speedreading.

He started running swiftly.

He caught the ball with a quick movement.

His bike was speeding wildly.

He sped off and disappeared from sight immediately.

The radical of the kanji '走' is 走繞.

His running ability is the best in the team.

In biology, the phenomenon of moving towards light is called phototaxis.

This self-propelled lawnmower is very convenient.

He learned speed reading to increase his reading speed.