Related Clues:

• Show nervousness
• Rate of progress
• University in Garden City, New York
• Go back and forth
• Dueler's distance
• Crest competitor
• Runner's rhythm
• Marathon measure
• Rate of work
• Show impatience, in a way
• Prepare to duel
• The 'P' in a Latin R.I.P.
• Trot or gallop
• Show worry
• Stride rate