Derby Fest at Sam Houston Race Park Celebrate the Run for the Roses — Texas-style! Join us for Derby Fest as Sam Houston Race Park transforms into the ultimate Kentucky Derby Day celebration with racing, live music, signature cocktails, food, fashion, and fun all day long. Simulcast Gates Open: 8:00 AM Admission Gates Open: 9:30 AM First Post: 10:30 AM Sip in true Derby fashion with Mint Juleps & Oaks Lilies available at bars throughout the park Derby Hat Contests Dress to impress and show off your Derby Day flair! Prizes awarded for standout style. Enjoy live music throughout the park: Club Level Stage: 2:00 PM - 4:30 PM Rose Wine Garden located in the Infield: 2:00 PM - 8:00 PM Food, Photos & Fun Food trucks featuring local favorites Photo walls throughout the Grandstand and Infield — perfect for Derby Day pics Come early, grab a Mint Julep, and experience the thrill, style, and celebration of Kentucky Derby Day at Sam Houston Race Park.