Yes, horse racing betting lines are available all year round. Horse racing is a sport that operates throughout the year, with races taking place on a regular basis around the world. As a result, the betting lines for horse racing are always available, with bookmakers and sportsbooks offering odds and lines on upcoming races. Whether you’re looking to place a bet on a major international event like the Kentucky Derby or a local race at your nearest racetrack, you can find horse racing betting lines online or at your favorite sportsbook. So, regardless of the time of year, you can always get in on the action and potentially win big with horse racing betting.