A water recycling and firefighting training system for efficiently practicing connecting water hoses between a water storage tank including a fire hydrant and a fire engine. The water recycling and firefighting training system generally includes a frame having wheels, a storage tank mounted to the frame, a fire hydrant mounted proximate the frame, wherein the fire hydrant is fluidly connected to the storage tank, a pump fluidly connected to the storage tank to pump water to the fire hydrant, and at least one intake fluidly connected to the storage tank for inputting water back within the storage tank. The water from the storage tank is circulated between the mobile trailer and a fire engine through a plurality of hoses in a closed-loop configuration.