Firstbeat features (4)
VO2max Fitness Level
Your true fitness level and key to personalized training guidance.Read more
Accurate calorie counts for daily life, top performance, and everything in between.Read more
All-day Stress & Recovery
Reveal how your body responds to the challenges of life and environment.Read more
Bring activity, stress, and recovery together for better decision making.Read more
The Garmin Forerunner 45 and Forerunner 45S are crafted to satisfy the needs of new runners, those preparing for their first race, and anyone eager to get started on the road to better fitness. With identical features and a dozen activity profiles, the Forerunner 45S features a slightly smaller case well-suited to those with smaller wrists.
Garmin Forerunner 45 devices help you keep tabs on your cardiorespiratory fitness and watch how it changes over time as a result of your efforts. This information is provided in the form of VO2max and is updated each time you run outdoors with your watch and have GPS and HR monitoring activated.
Concrete evidence of better fitness is a powerful source of motivation that lets you know you are on the right track and gives you the confidence you need to keep going.
Better fitness and personal wellbeing are about more than your workouts. The Garmin Forerunner 45 and 45S also feature 24/7 stress monitoring, based on an advanced analysis of heart rate variability. As a result, you can see for yourself how your body responds to the challenges of life and environment.
Physical activity, stress, recovery, and the restorative power of sleep come together in a single place with Body Battery. This feature provides the insight you need to thrive. You can manage your energy levels and see when you are ready to benefit from a challenge and when taking it easy and resting up might be the best option. Over time the feedback you receive will help you make better choices and lifestyle decisions based on what works best for you.