Walk nervously, as in a waiting room

• Walk back and forth anxiously
• Rate measured by a Fitbit
• Runners set it
• Betray anxiety
• Treasure map measurement
• Horse's motion
• Wear a hole in the carpet
• Step; speed
• What a lead runner sets

Wikipedia Word definitions in Wikipedia
Pacé refers to two communes in France: Pacé, Ille-et-Vilaine Pacé, Orne