Related Clues:

• Marathon stat
• Salsa brand
• Walk a hole in the carpet, maybe
• Show worry, in a way
• Show worry in the waiting room
• Expectant father's walk
• Wear out the carpet
• Eight minutes/mile in a marathon is a good one
• Emulate an expectant father
• Walk worriedly
• Speed of a step?
• Step or tempo
• Tempo, rate of moving
• Speed of a single step?
• With deference to this, it's the speed one goes on foot