Possible Clues:

• One running off after second runner
• Small bookmaker, a dashing type
• One running second machine
• Florence Griffith Joyner or Wilma Rudolph
• Fleet fellow
• Small book producer, one doing a run
• In the long run, one may not be competitive
• Bolt, maybe, in small piece of office equipment
• Bolt possibly with second copier
• Person in short race, small and peripheral