Related Clues:

• Indy 500 entrant's skill
• Betting one's earnings by phone
• In a hurry for group to accept bill
• We take a call about silver speculation
• Carry on with syndicate betting
• About to take a turn in the circuit — 21's business
• Start off brisk sport
• Aflutter
• Placing bets
• Sport; moving swiftly
• Phone about account that's for betting on?
• About to flip in circuit going very fast
• Betting syndicate going after money after work?
• What NASCAR's 'R' stands for
• Competing in a speed competition