Each travel pace has a game effect, as defined below.

Fast. Traveling at a Fast pace imposes Disadvantage on a traveler’s Wisdom (Perception or Survival) and Dexterity (Stealth) checks.

Normal. Traveling at a Normal pace imposes Disadvantage on Dexterity (Stealth) checks.

Slow. Traveling at a Slow pace grants Advantage on Wisdom (Perception or Survival) checks.