Get up to speed on how to bet on the Kentucky Derby in 2025, including what states allow online horse betting, the best Kentucky Derby betting apps, and types of bets to place.

So we've created this handy — and downloadable — guide to make placing bets at the 151st Run for the Roses as smooth as a mint julep. Grab this before you head to Churchill Downs and you'll have horse stats, jockey names and silk designs on hand at all times.

Here are the top promo codes being offered by racing books like TwinSpires and 1/ST BET for Saturday's Kentucky Derby, totaling over $1,100 in bonuses.