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Best device to track heart rate while running?

Posted on 9/7/24 at 12:43 pm
Posted by Yeahbuddy35
Swagtown USA
Member since Nov 2021
175 posts
Posted on 9/7/24 at 12:43 pm
I have been a runner for years but I'm very new to the whole tracking your heart rate and "zone 2" science. I am trying to figure out what brand name and type of device to choose. I would prefer a watch over a chest strap but I have been told the chest straps are more effective. Can some of you give me some recommendations for what you use and list the benefits? Thanks.
Posted by ks_nola
Bozeman
Member since Sep 2015
651 posts
Posted on 9/7/24 at 1:37 pm to
i have a coros watch that tracks HR. i also have a polar chest strap that pairs with the watch but you can only record with one of the devices at a time. the chest strap records on average 10-12 beats/minute lower than the watch. can't say which is true more accurate but its universally known that chest strap is better device.

Posted by Gifman
Member since Jan 2021
14756 posts
Posted on 9/7/24 at 2:55 pm to
Just feel your pulse with your fingers while running. It’s free and not hard.
Posted by GeorgeTheGreek
Sparta, Greece
Member since Mar 2008
67843 posts
Posted on 9/7/24 at 3:00 pm to
I have a garmin chest strap that syncs to garmin watch. Works great!
Posted by BaddestAndvari
That Overweight Racist State
Member since Mar 2011
18577 posts
Posted on 9/7/24 at 4:15 pm to
A wrist monitor (their watches) from coros or Garmin are good, not great, the chest strap is much more accurate.

That being said, I only have a Garmin Fenix 7 and no chest strap and am happy enough with it, I just accept that it will get cadence locked with my running sometimes and it's fine
This post was edited on 9/8/24 at 5:24 am
Posted by DownSouthJukin
1x tRant Poster of the Millennium
Member since Jan 2014
29788 posts
Posted on 9/7/24 at 6:44 pm to
If you don’t have an Apple or Garmin watch (or the like), for the price, this one: LINK

You can connect it to Strava and Wahoo. Mine has been accurate enough.


This post was edited on 9/9/24 at 9:21 am
Posted by Aubie Spr96
lolwut?
Member since Dec 2009
43168 posts
Posted on 9/7/24 at 8:34 pm to
A chest strap is going to be far more accurate than any watch. It’s just the way it is. Polar makes a good one, but they all will synch to your phone or watch.
Posted by lsu xman
Member since Oct 2006
16373 posts
Posted on 9/8/24 at 6:50 am to
I have a Garmin Forerunner 255 that always matches +/-1 to my Polar chest strap. I would get on the treadmill and run for about an hr. Go back and crosscheck the two every 5 minutes and the entire duration average. It would be +/-1 difference between the Garmin 255 watch and the Polar chest strap at every 5 minute increment and the entire duration, with mostly measuring the same HR.

Check the reviews on the Garmin watches with that generation HR monitor on youtube.
Posted by DrDenim
By the airport
Member since Sep 2022
910 posts
Posted on 9/8/24 at 8:57 am to
Garmin Instinct 2, I trust the HR from the watch for all the times I'm either at rest or just going through my normal day. During exercise I throw on a Polar HR9, it works as advertised.

I've double checked my pulse with a radial pulse check with my fingers (at rest and during a pause in a workout), with a standalone fingertip pulse oximeter, and an Omron home blood pressure cuff, and the Garmin correlates with all of that other gear. The chest strap is just more accurate under a wider variety of conditions. The watch can be prone to errors if it's too tight, too loose, or just gets shook up too much (positioning), the watches are using a LED to detect pulse through capillary constriction/dilation through the skin, it's not as accurate as the chest strap which is detecting electrical signals through the chest wall right around where your heart is actually located.

I would start out with just a watch, and after a month you should have enough experience to be able to say whether or not you need a strap or not for better accuracy. If you consistently get wildly inaccurate HR readings from your watch alone, it will throw off your training, but if it's mostly giving you an accurate/reliable HR then a watch alone is good enough.
Posted by idontyield
Tunnel Trash
Member since Jun 2022
488 posts
Posted on 9/8/24 at 9:40 am to
quote:

I have a Garmin Forerunner 255 that always matches +/-1 to my Polar chest strap. I would get on the treadmill and run for about an hr. Go back and crosscheck the two every 5 minutes and the entire duration average. It would be +/-1 difference between the Garmin 255 watch and the Polar chest strap at every 5 minute increment and the entire duration, with mostly measuring the same HR.


It is my understanding that once you pair with a chest strap and start an activity, then the optical wrist hr turns off on the watch. The readings should be the same because they are both coming from the chest strap.

If op is really going to do zone 2 training then you need to get a chest strap and a real time display(watch or phone) so you can adjust your pace to stay in zone 2.

I've had Garmin watches for years, they aren't accurate for HR. They might get close but if you are 10 bpm off then you arent in zone 2 and whats the point?
Posted by BilbeauTBaggins
probably stuck in traffic
Member since May 2021
7089 posts
Posted on 9/8/24 at 1:07 pm to
Every Garmin 200 series and up has a HRM on the wrist. They're not the MOST accurate but they're within like 2%-10% specifically at higher BPM. Your resting heart rate will be accurate at all times.

Truly if you want 100% accurate HRM get a chest strap attachment that can sync to a running watch. Personally I think the watch is good enough. I know how my body feels in relation to where my BPM is and adjust my runs based on that.
This post was edited on 9/8/24 at 1:08 pm
Posted by tigerbait17
Baton Rouge
Member since Oct 2014
1233 posts
Posted on 9/8/24 at 4:23 pm to
quote:

That being said, I only have a Garmin Fenix 7 and no chest strap and am happy enough with it, I just accept that it will get cadence locked with my running sometimes and it's fine


I love all garmin products. Get the chest strap and it is about as accurate as you can get.
Posted by lsu xman
Member since Oct 2006
16373 posts
Posted on 9/8/24 at 8:56 pm to
quote:

It is my understanding that once you pair with a chest strap and start an activity, then the optical wrist hr turns off on the watch. The readings should be the same because they are both coming from the chest strap.


No, my Garmin watch data goes to the Garmin app. The Polar chest strap data goes to the Polar app on my phone.

It's two separate sources of data. The new generation HR monitor on the watches is much improved over the old ones.
Posted by 632627
LA
Member since Dec 2011
13756 posts
Posted on 9/10/24 at 11:45 am to
If you don't want a chest strap, there are bands that go on the upper arm or forearm that are more accurate than wrist based tracking.
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