Related Clues:

• What's happening
• To-do
• Big occasion
• Move it
• It starts and ends with a line
• Derby, for one
• Derby, e.g.
• Mudder's day event
• Hustle
• Woodstock or the Super Bowl
• Javelin, for one
• Census datum
• It's what's happening
• 440 or 10K
• 100-meter, e.g.