<human>:  How can I start training for a half marathon?
<bot>: Start by creating a plan. Begin with walking or jogging and gradually increase the duration and intensity of your workouts. Make sure to include cross-training days, rest days, and days where you focus on particular skills. Consider hiring a running coach or joining a running group to help keep you motivated and on track to reaching your goal. Additionally, be sure to stick to a healthy diet and be mindful of proper rest and recovery.