The Forerunner 945 monitors your performance and provides personalized insights, so you can train smarter, not harder. The watch tracks oxygen consumption and adjusts the value based on heat and altitude. The Training status indicator evaluates your recent exercise history and performance indicators to inform you if you are training productively. See how your workouts impact endurance, speed, and strength development. The recovery time calculation helps you maximize results by determining when you will be ready for your next workout.
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