Garmin Forerunner 620: Our Comprehensive Review

Forerunner 620 combines functionality and style, making it the perfect companion for both casual joggers and serious athletes. From its high-resolution color display to its advanced running dynamics metrics, this watch offers a wealth of data and insights to help you optimize your training and improve your overall performance. Whether you’re a seasoned marathon runner or just starting your fitness journey, the Garmin Forerunner 620 will revolutionize the way you train, helping you achieve your running goals faster and more efficiently than ever before.

Key Features of the Garmin Forerunner 620

The Garmin Forerunner 620 boasts an impressive array of features that set it apart from other GPS running watches on the market. Let’s take a closer look at some of its key features and how they can benefit your training.

First and foremost, the Forerunner 620 features a high-resolution color display that provides crystal-clear visibility even in bright sunlight. This makes it easy to read your stats and metrics on the go, without having to squint or strain your eyes. The watch also offers customizable data screens, allowing you to choose the information that is most important to you during your run. Whether you want to track your pace, distance, heart rate, or any other metric, the Forerunner 620 has you covered.

Another standout feature of the Forerunner 620 is its advanced running dynamics metrics. This watch is equipped with an accelerometer that measures your cadence, ground contact time, vertical oscillation, and more. By analyzing these metrics, the Forerunner 620 can provide you with valuable insights into your running form and efficiency. With this information at your fingertips, you can make adjustments to your technique and improve your running performance over time.

Garmin Forerunner 620 unboxing

Advanced Running Metrics provided by the Garmin Forerunner 620

The Garmin Forerunner 620 goes above and beyond when it comes to tracking and analyzing your running metrics. With its advanced features, this watch provides you with a wealth of data to help you understand your performance and make informed training decisions.

One of the most valuable metrics offered by the Forerunner 620 is VO2 max estimation. This metric measures the maximum amount of oxygen your body can utilize during exercise, which is a key indicator of your aerobic fitness. By tracking your VO2 max over time, the Forerunner 620 can help you gauge your progress and set realistic goals for improvement. This feature is particularly useful for serious athletes who want to take their training to the next level.

In addition to VO2 max estimation, the Forerunner 620 also provides insights into your recovery time, race predictor, and training effect. Recovery time estimation tells you how long you should rest before your next intense workout, helping you avoid overtraining and reduce the risk of injury. Race predictor, on the other hand, uses your current fitness level to estimate your finish time for various distances, giving you a target to strive for in your races. Finally, the training effect metric measures the impact of each workout on your aerobic and anaerobic fitness, allowing you to fine-tune your training plan for optimal results.

GPS Tracking and Navigation with the Garmin Forerunner 620

One of the standout features of the Garmin Forerunner 620 is its built-in GPS functionality. This allows you to accurately track your runs, whether you’re running on the road, trail, or treadmill. The watch quickly acquires a GPS signal, ensuring that your distance and pace data are always accurate and reliable. Plus, with the Forerunner 620’s live tracking feature, your friends and family can follow your runs in real-time, providing an extra layer of safety and motivation.

But the Forerunner 620 doesn’t just track your runs – it also helps you navigate through unfamiliar routes. With its breadcrumb trail feature, the watch displays a visual representation of your route, making it easy to stay on track even in unfamiliar surroundings. This is particularly useful if you enjoy exploring new running routes or if you’re training for a race in a different location. Simply upload your desired route to the Forerunner 620, and the watch will guide you every step of the way.

Garmin Forerunner 620

Training Plans and Workouts with the Garmin Forerunner 620

The Garmin Forerunner 620 takes the guesswork out of training with its built-in training plans and workouts. Whether you’re a beginner looking to complete your first 5K or an experienced runner aiming for a new personal best, this watch has a training plan for you. Simply input your goal race distance and desired finish time, and the Forerunner 620 will generate a customized training plan tailored to your fitness level and schedule.

But the Forerunner 620 doesn’t just tell you what to do – it also guides you through each workout. The watch provides real-time coaching and prompts, ensuring that you stay on track and make the most of every training session. Whether you need to speed up, slow down, or maintain a steady pace, the Forerunner 620 will keep you informed every step of the way. And with its built-in recovery advisor, the watch tells you when it’s time to take a break and when it’s time to push yourself harder.

User-friendly Interface and Data Analysis with the Garmin Forerunner 620

The Garmin Forerunner 620 is designed with user-friendliness in mind, making it easy for runners of all levels to navigate through its features and data. The watch’s intuitive interface allows you to quickly access the information you need, whether you’re in the middle of a run or analyzing your data after a workout. Plus, with wireless connectivity, you can effortlessly sync your runs and workouts to Garmin Connect, the online platform that allows you to track, analyze, and share your data with ease.

Speaking of data analysis, the Forerunner 620 offers a wide range of tools and reports to help you gain insights into your training. From detailed pace and heart rate graphs to in-depth analysis of your running dynamics, the watch provides you with a comprehensive view of your performance. You can even create custom reports and dashboards, allowing you to focus on the metrics that matter most to you. With the Forerunner 620, you’ll never be short on data or ways to interpret it.

Battery Life and Durability of the Garmin Forerunner 620

When it comes to battery life, the Garmin Forerunner 620 won’t let you down. With its rechargeable lithium-ion battery, this watch can last up to 10 hours in GPS mode and up to 6 weeks in watch mode. This means you can confidently take it on long runs, races, and even multi-day adventures without worrying about running out of juice. Plus, with its quick charging feature, you can get a full charge in just a few hours, ensuring that you’re always ready to hit the road.

In terms of durability, the Forerunner 620 is built to withstand the demands of any runner. Its sleek and lightweight design doesn’t compromise on durability, as the watch is water-resistant up to 50 meters and features a scratch-resistant display. This means you can confidently wear it in all weather conditions and not have to worry about damaging it during your toughest workouts.

running watch

Comparison with other Garmin Forerunner Models

Garmin offers a range of Forerunner models to cater to different needs and budgets. Let’s compare the Forerunner 620 with some of its popular counterparts to help you make an informed decision.

If you’re looking for a more affordable option, the Forerunner 235 is worth considering. While it doesn’t offer all the advanced metrics of the Forerunner 620, it still provides accurate GPS tracking, heart rate monitoring, and smartphone notifications. It’s a great choice for runners who want essential features without breaking the bank.

On the other end of the spectrum, the Forerunner 945 is Garmin’s top-of-the-line GPS running watch. It offers all the features of the Forerunner 620 and more, including onboard music storage, advanced performance metrics, and mapping capabilities. If you’re a serious athlete who wants the best of the best, the Forerunner 945 is the way to go.

Customer Reviews and Feedback

Don’t just take our word for it – let’s hear what other runners have to say about the Garmin Forerunner 620. According to customer reviews, the Forerunner 620 is highly praised for its accuracy, ease of use, and advanced metrics. Many users have reported significant improvements in their running performance after using this watch, thanks to its comprehensive data and insights. The sleek design and comfortable fit have also received positive feedback, making it a joy to wear during workouts.

However, some users have noted that the battery life could be better, especially when using GPS for longer periods. Additionally, a few customers have mentioned that the watch can be slightly bulky for smaller wrists. Nevertheless, these minor drawbacks haven’t dampened the overall positive sentiment towards the Forerunner 620.

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Pros and Cons

To sum it all up, let’s take a look at the pros and cons of the Garmin Forerunner 620:


  • Accurate GPS tracking
  • High-resolution color display
  • Advanced running dynamics metrics
  • Customizable data screens
  • Built-in training plans and workouts
  • User-friendly interface and data analysis
  • Durable and water-resistant design


  • Average battery life in GPS mode
  • Bulky for smaller wrists

Final Thoughts

If you’re serious about improving your running performance and reaching your goals, the Garmin Forerunner 620 is an excellent investment. With its advanced features, accurate GPS tracking, and comprehensive data analysis, this watch will revolutionize the way you train. Whether you’re a seasoned marathon runner or just starting your fitness journey, the Forerunner 620 provides the insights and tools you need to optimize your training and achieve your full potential. While it may have some minor drawbacks, the overall benefits far outweigh them.

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