When you Sprint, you forego all actions, bonus actions, and reactions and use your entire turn to move in a straight line up to a distance equal to five times your speed. With a speed of 30 feet, for example, you can move up to 150 feet on your turn if you sprint.
Any increase or decrease to your speed changes this additional movement by the same amount. If your speed of 30 feet is reduced to 15 feet, for instance, you can move up to 75 feet this turn if you sprint.
While sprinting, attacks of opportunity have advantage against you, and obstacles require either a Strength (Athletics) or Dexterity (Acrobatics) check to overcome. A failure on any of these skill checks will result in you falling prone and ending your turn.
You cannot sprint while prone, and cannot sprint through difficult terrain or terrain with any other effect that increases movement cost.
You can comfortably sprint for a number of turns equal to 1 + your Constitution modifier (minimum of 1). You recover your sprint after a number of minutes equal to the number of turns you sprint. For example, if you sprint for 3 turns, you recover 3 turns of sprinting after 3 minutes.
You can sprint beyond your limit, and you gain a level of exhaustion for each additional turn. Levels of exhaustion gained this way can be recovered after 10 minutes of rest for each level.
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