Related Clues:

• 10K's, e.g.
• Track-and-field events
• Daytona 500 events
• Track meet events
• Barrels along
• Pennant quests
• Does a 10K
• Derbies et al.
• Runs a 10K
• Speed contests
• Sprints, e.g.
• Drags, say
• Speed competitions for various peoples
• Human groups
• Contests of speed