Related Clues:

• See 65-Across
• Grass shoot
• Hustle and bustle
• 'Get a move on!'
• Giddyup!
• See 18-Across
• Run with the ball
• Humans, e.g.
• See 15-Down
• Go full tilt
• Get going
• Kentucky Derby, e.g.
• Regatta, for example
• NASCAR event
• It may have four legs