Related Clues:

• Rat and relay
• Competes at Indy
• Camptown contests
• Moves like the Road Runner
• Some camera lenses
• Santa Anita doings
• Triple Crown trio
• Zips along
• Moves in closer, as for a shot
• Marathons, e.g.
• Events on a card
• 10K's, e.g.
• Flies fast
• Track-and-field events
• Daytona 500 events