Possible Clues:

• That makes one long for the human race
• In the long run that's where there's the R.A., although there's a man around
• Charlotte's victim gets no reward in the long run
• Footrace of 26 miles 385 yards
• Drama about murder victim begins long run
• Long and arduous
• How 30 across might long to meet a sprig of nobility; it's a racial matter
• Long-running battle?
• "--- Man" (Hoffman flick)
• Mum, getting terribly hot, ran in race