Related Clues:

• Tests of speed
• Rat and relay
• Competes at Indy
• Makes tracks
• Makes haste, à la Shakespeare
• Camptown contests
• Santa Anita doings
• Triple Crown trio
• Marathons, e.g.
• Events on a card
• 10K's, e.g.
• Moves quick, archaically
• Track-and-field events
• Daytona 500 events
• Makes a quick retreat