Best horse racing betting sites: Where to bet on the 2026 Kentucky Derby and horse racing

Best horse racing betting sites: Where to bet on the 2026 Kentucky Derby and horse racing Learn where to bet on horse racing online, including for the Kentucky Derby on May 2. Discover top horse racing betting sites and tips. By Robby Kalland Apr 30, 2026 at 10:26 am ET • 19 min read The best horse racing betting sites may not be where you think. In the United States, state laws separate sportsbooks and racebooks. Even though you cannot bet on horse racing on sports betting apps, there are many racebook apps with promos currently available. On this page, we will offer an introduction to horse racing betting before the 2026 Kentucky Derby on May 2, including the best apps for online horse betting, like TwinSpires, FanDuel Racing, and 1/ST BET.

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