Related Clues:

• Causes for pauses
• Fast races
• Pair in a Morse M
• Takes off in a hurry
• Scurries (off)
• Zips away
• Marks that are lines [S]
• Counterparts of dots, in Morse code
• 100-yard races
• Hurries (off)
• Bolts used for front parts of cars
• Some Morse code symbols
• Short runs
• Brief track races
• Runs like mad