Diablo Wiki
Fleet Footed Hot Pursuit
Whenever the Demon Hunter manages to hit an enemy, his/her movement speed is increased by 20% for 4 seconds. This effect does not stack.

"Don't make me chase you back to Hell, vermin. I know a quicker way to send you there." —Tyla Shrikewing

Hot Pursuit is a Demon Hunter passive skill, unlocked at level 27.

In early versions of the game, this skill would not exceed the movement speed cap of 25%. In current versions of the game, it does exceed the cap.