Related Clues:

• Word with course or horse
• Scurry
• 10K, for one
• Type of horse
• Move briskly
• Move at a good clip
• Dog follower
• One may be on its last leg
• Marathon
• Hambletonian event
• Subspecies
• Ascot event
• Cannonball
• "Chariots of Fire" highlight
• 5K or 10K