Related Clues:

• Thou
• Common race
• Certain race, informally
• A thou
• Quick run
• Short race
• Short run
• Race much shorter than a marathon
• Lengthy footrace
• Certain race ... or a cryptic title to this puzzle
• Race of about 6.2 mi.
• Fun race
• Race that's about a quarter of a marathon
• Good-sized run
• Running event