expand_less You move five times your normal speed while running if wearing medium, light, or no armor and carrying no more than a medium load, or four times your speed if wearing heavy armor or carrying a heavy load. If you make a jump after a running start (see Acrobatics), you gain a +4 bonus on your check. You retain your Dexterity bonus to your Armor Class while running. Associated Movement Mode: Ground. Associated Skill: Acrobatics. Associated Feat: Run.