Related Clues:

• Artist and Clare registered for track event
• One may be speeding either way
• Competitor brilliant in a car
• Soapbox-derby entrant
• One who stays on track
• Marathoner, e.g
• One who sits in laps?
• One taking part in runs
• Runner's livelier without one
• A.J. Foyt, e.g
• Meet competitor
• Bishop holds good service, one that flies by
• Go-kart, say
• ... one taking part in run after run?
• Bishop outside a church, one in a hurry