What should you do if you run out of energy during a marathon race?

If you run out of energy during a marathon race, it is important to slow down your pace, stay hydrated, and consume easily digestible carbohydrates like energy gels or sports drinks to replenish your energy levels. It may also help to take short walking breaks to conserve energy and avoid overexertion. Listen to your body and prioritize your safety and well-being during the race.