Related Clues:

• Churchill Downs shape
• NASCAR circuit
• Like some lockets
• Locket shape, often
• Like planetary orbits
• Grape-shaped
• Like a D.C. office
• Noted office shape
• Roundish shapes
• Course for a horse
• Like a world-famous office
• Speed-skater's venue
• Watermelon's silhouette
• Racing venue
• Shaped like an avocado