The TVG Horse Racing website is a US registered online horse racing betting platform. The online platform can be used by those in states where online. As nice as the television channel may be, the purpose of this TVG review is to discuss their online wagering service. It's one of the big names in racing betting so. Join and bet on live horse racing within minutes! Bet on horses online with TVG. com, the #1 legal horse racing betting and wagering website in the US.