Read the following context and answer the question.
Context: On the race route there are 7 " feed " zones 3 of which are Neutral support only zones which leaves 4 for my crew to handle . Each feed bag has been loaded , numbered and tagged with a responsible person to get it to me as well as loaded with exactly what the planning calls for as far as food and energy stuff over the next leg with extra water always available . We have developed a simple communication plan consisting of radios in each SAG car and one on the rider ME !
Question: What may be the reason why they need a feed bag for a race ?
Answer:


Because they are racing on horses .