Whether you’re training for your first marathon or looking to crush a personal record, your Garmin device provides all the extensive data you need for training and racing. When its extended physiological metrics are paired with overall training load, sleep, nutrition and general life stress, your watch can tell you how you will perform in a tough workout. To give you a better idea of what days you should aim for a tough workout or use as a recovery day, your device provides you with a stress score based on your heart rate. Learn how to read your stress cues and avoid overtraining with tips from Joe with Garmin.

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