Easy runs produced results similar to those recorded on a Polar H7 chest strap, although the was delayed by between 3 and 6 seconds, but that's fairly common for optical sensors. It was when I did an interval workout that I began to notice some flaws. Both devices recorded my heart rate each second. I then exported the data and analyzed it in an Excel spreadsheet. You can view it below. As you can see, during my minute warm up the heart rate information is similar between the two devices.
The data remained consistent during my first interval and through my first rest cycle. Starting with the second interval, however, the Forerunner struggled to keep pace with the chest strap. At the mark, it measured my heart rate at , while the chest strap had me at This continued for subsequent intervals and rest cycles.
It wasn't until a few minutes into my cooldown that the Forerunner was able to close the gap. At the minute mark, the watch measured my heart rate at bpm compared to the chest strap's bpm. The problems I encountered could possibly be ironed out in a future software update. It should also be noted that the further the watch is from the wrist bone about two finger lengths the more accurate measurements will be. It's a bit tricky to set up, though.
You have to scroll down to the heart rate watch screen, then press and hold the up key, and select Broadcast Heart Rate. Garmin has been slowly improving its Connect mobile app on Android and iPhone. There's now personalized insights and feedback based on your daily activities. The app is better than it once was, but it's still not as good as what Fitbit and Jawbone offer.
Garmin simply tries to do too much with it. These devices can record a ton of data, but there are simply too many menus to browse through to find all of it. I've used Garmin devices more than anyone I know, and it even took me a couple of minutes to figure out how to disable or change certain features.
I've also experienced occasional hiccups with connectivity between the app and the watch. Sometimes the watch wouldn't sync my workouts until I opened the app, which was a little annoying. The watch chirped, indicating it was connected, in less than 20 seconds. I took the Forerunner out for several runs over the course of a week, and found its GPS and heart-rate monitor were both spot-on.
On occasion, the watch would bump up against the limits of its processor. When I would switch away, or back to, a custom watch face, the Forerunner would stutter for about half a second. Just how fit are you? There are so many different metrics, but one that's particularly helpful for runners is their VO2 max score, which reflects the body's ability to process oxygen.
To calculate it, you divide the amount of oxygen you absorb per minute by your body weight. The Forerunner determines the oxygen flow by using the optical heart-rate monitor. The higher the number, the better. A typical individual will have a VO2 max score in the 40s; mine was Previously only found on its higher-end GPS watches, the Forerunner calculates your VO2 max, a gauge of how much oxygen your body can process. I used the Forerunner's Recovery Advisor as just that — advice.
After three days of running 4 miles a day, the Recovery Advisor said that my recovery time would be three days. I took one day off and then cranked out 5 more miles. Snapshot provides a look at your day, showing your steps and sleep at the top, active calories, intensity minutes and floors climbed. There's even a large area where you can see if MyFitnessPal is connected, but it's a waste of screen space. Swiping right or left shows you more detail about steps, sleep, running activities, weight, intensity minutes, community and even your last golf round.
Fortunately, you can customize which screens show up. In the Leaderboard section, you can compete with friends to see who's taken the most steps, while Calendar lets you view your fitness activities in a calendar view. News Feed shows your activities arranged in a list, but this was the least interesting view and felt redundant.
Clicking on the More icon brings up a huge menu where you can, again, dig deeper into stats for various activities, workouts and your connected devices. Here, you can connect to Garmin's Connect IQ store to download apps, widgets and golf courses to the Forerunner I like that Garmin presented all of my fitness data in many different ways, but it's too much. It's very easy to get lost in the various submenus. I also found that the app wouldn't always sync automatically.
She's a trained run leader, and enjoys nothing more than lacing up her shoes and hitting the pavement. If you have a story about fitness trackers, treadmills, running shoes, e-bikes, or any other fitness tech, drop her a line. North America. Sign up for Prime Day. You'll need to be an Amazon Prime member to take advantage of Prime Day deals. Garmin Forerunner
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