The 24 sites participating on Aug. 3 are: Aqueduct, Arlington Park, Blue Ribbon Downs, Calder Race Course, Canterbury Park, Connecticut OTB, Del Mar Thoroughbred Club, Delaware Park, Emerald Downs, Fairplex Park, Hollywood Park, Hoosier Park, Los Alamitos, Maryland Jockey Club (Laurel Park and Pimlico Racecourse), Meadowlands Racetrack, Mountaineer Park, Prairie Meadows, Retama Park, River Downs, Ruidoso Downs, Sam Houston Race Park, Saratoga Racecourse, and Sportsman's Park
The NTRA mailed vouchers worth $4.6 million -- including a $2 million grand prize -- to nearly 900,000 persons as part of the latest NTRA Mystery Mutuel Voucher promotion on Aug. 3.The voucher giveaway is the NTRA's sixth such promotion dating back to August 2000. The vouchers are redeemable for cash on Aug. 3 at participating racetracks and OTBs. The grand prize for subsequent Mystery Mutuel Voucher promotions will be increased by $250,000 until the grand prize is redeemed.Mystery Mutuel Vouchers are coded tickets worth from $2 to $2 million that are distributed in local markets via direct mail, accompanied by customized brochures. During the first five Mystery Mutuel Voucher promotions, more than $10 million worth of vouchers have been circulated, resulting in double-digit increases in pari-mutuel handle and attendance at most participating sites compared to the same weekend date from the prior year.