Yes, visiting all four Walt Disney World theme parks—Magic Kingdom, EPCOT, Hollywood Studios, and Animal Kingdom—in a single day is a popular challenge known as the "Four Park Challenge." To achieve this in 2026, you must have a valid ticket with the Park Hopper option. The most efficient strategy typically involves starting at Animal Kingdom (which often opens earliest) and ending at Magic Kingdom or EPCOT (which usually stay open latest). Success depends heavily on utilizing the Disney transport system—including the Monorail, Skyliner, and buses—and being highly selective about which rides you experience at each stop. Most challengers define a "successful" run as riding at least one attraction and eating one snack in each park. While physically exhausting, often requiring over 20,000 steps, it is entirely possible with a "rope drop" start and a late-night finish. However, you will likely spend as much time in transit as you do enjoying the actual parks, making it more of a logistical feat than a relaxing vacation.