Related Clues:

• It's sometimes a drag
• Tour de France, for one
• Olympics event
• Marathon, e.g.
• Be in charge of
• See 69-Across
• Word with course or horse
• Scurry
• 10K, for one
• Type of horse
• Leak
• One may be on its last leg
• Hose problem
• Marathon
• Oversee