Signing up, banking options, and much more.We look at all the most important factors, including: Our detailed guide compares and contrasts TwinSpires, BetAmerica, and TVG to give you a feel for what makes each site unique. If you love horse racing but don’t know which site to choose, consider this page your form guide. Overall, there’s a lot to learn about each site and a lot that helps each one stand out in its own way. TwinSpires, BetAmerica, and TVG are by far the most popular horse racing sites in the US, and with each of them jostling for their market share choosing which one to use can be tricky.Įach of the three share plenty in common, and in truth, any one of them would make a great option for horse race betting.īut there are lots of differences too, from how the software feels to the bonuses on offer for new players, to the types of bets and tracks available to bet on, and much more. Today, this means that a number of high-quality betting apps serve players from various states around the US – and three of them stand out above all others. Long before legal sports betting began to be rolled out around the United States, the legitimate way to bet in dozens of states was on horse racing.