Horse racing is a rich part of UK history, and its enduring popularity throughout the years has been helped by the advent of stable and reliable online horse racing betting sites. Why is Horse Racing Betting Popular in the UK? By only recommending licensed and regulated UK sites, we’re confident that you’ll find the ideal legal sites for your needs. You will find a detailed overview on how to sign up with bookies, what options you have when betting on horse racing, payment options and the odds. In this expert guide, we’ve provided an in-depth guide on how to find decent betting sites and other related topics. The UK is home to some of the best horse racing betting sites in the world due to the fact that there is a huge demand on fair, trustworthy and high-quality horse betting bookmakers.