Related Clues:

• Census form datum
• Ethnic origin
• 10K, say
• Warrior Dash, for one
• Contest; zoom
• Olympic event, often
• Timed event
• Many a competition
• Villeneuve concern
• Dash or derby
• Run one?
• One gets right in front — to win it?
• Radio silence around track event
• Be on the fast track?
• Daytona 500, e.g