As for the racetrack, Northfield Park was originally opened in 1958 and features a half-mile oval. Throughout the year, blackcoin.co MGM Northfield Park features more than 200 harness racing nights annually, making it amongst the most active horse racing tracks in Ohio. With more than 45,000 square feet of gaming space, however, there’s something for everyone at Belterra. You can bet on many things in a local casino – the most popular are sports or traditional casino games like blackjack and roulette, and some places also offer lotteries, bingo, or race betting. Most establishments are racinos, which offer a mix of traditional casino games, horse racing, and sports betting. 970 slot machines and 19 table games spread over 50,000 square feet. This casino is open from 9 AM to 4 AM Sunday through Thursday and from 9 AM to 6 AM Friday and Saturday.