Related Clues:

• Temperament
• Speed
• Move it
• It starts and ends with a line
• See 52-Down
• Slip-up
• Derby, for one
• Derby, e.g.
• Mudder's day event
• Hustle
• Human or alien
• '___ does nothing without purpose': Aristotle
• Census datum
• 440 or 10K
• 100-meter, e.g.