Heart rate

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tipsku
tipsku
Jun 2022
4:51pm, 1 Jun 2022
623 posts
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tipsku
I've got the Garmin Run HRM, both the old version where you could remove the emitter and wash the strap properly and the newer with the rubbish rubber band around the emitter that you can't remove.

The old model is from 2014, still works but sometimes has issues with static, I think. It suddenly jumps by 20-30 bpm (e.g. from 135 in an easy run to 160 for no reason at all) about 30-60 minutes into a run or right at the beginning. It's worse in cold weather when I wear more layers. Running topless isn't really an option for me - maybe in a crop top?

Changing batteries isn't difficult with it and moisture doesn't really get in because I can remove the emitter before I wash the strap.

The newer model is more accurate, I very rarely get bogus readings. The downside is that it's not as durable as the previous model. The rubber band around the emitter is slowly breaking up and the screws are really tiny and fragile. I had to replace one because it had gotten rusty. I changed the batteries multiple times in the new model (at least 3 times a year since 2016, so that makes at least 15-17 changes as of now) and had no issues with functionality - only with the durability of the screws.
Brunski
Brunski
Jun 2022
2:26pm, 7 Jun 2022
2,041 posts
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Brunski
Anyone else follow heartbeats per mile? I like to measure mine on routes I do often abd compare. The overall trend by month is good to see but find it gets thrown if you're doing more sessions, if you include floats/walking rest or if you pause, etc.

Anyway previously I've always thought steady (low HR) running of 1hr+ seemed to bring about the greatest aerobic improvements but I'm 6 weeks into a 12 week 5k/10k plan, running regular sessions and my Beats per mile is continuing to drop.

I'm hoping this means I'm about to smash out some tasty times, with my goal race being a 5k in July, but equally I'm finding it tougher getting my HR up where I used to race so a bit concerned these improvements won't carry through.

Anybody else seen dramatic improvements in aerobic efficiency and how did this translate on race day?
fetcheveryone
fetcheveryone
Jun 2022
2:32pm, 7 Jun 2022
27,738 posts
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fetcheveryone
I’ve been doing a lot of easy-paced runs for the last 2.5 months, typically just over an hours running each time. The graph shows my beats per mile against distance. As you might expect, all the data tends to slope upwards - but the bottom 2-3 lines are my most recent months. It’s working for me. Thanks also to playing UTMOST, I’m the fastest I’ve been for about 5 years.

Bowman 🇸🇪
Bowman 🇸🇪
Jun 2022
2:45pm, 7 Jun 2022
1,493 posts
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Bowman 🇸🇪
I don't really get the graph. 🤣

I seem to get way worse over time? More and more BPM per distance traveled?
fetcheveryone
fetcheveryone
Jun 2022
3:25pm, 7 Jun 2022
27,739 posts
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fetcheveryone
Think about how your HR drifts upwards on longer runs if you maintain a constant pace. It’s fatigue, dehydration etc that is making your system less efficient. That’s how I like to think of it anyway.
Brunski
Brunski
Jun 2022
3:53pm, 7 Jun 2022
2,042 posts
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Brunski
Your graph is a bit less busy than mine fetcheveryone and very clear you're progressing across all distances, keep it up 😊.

If I play around with the heart rate settings and create a 4 or 5 beat zone where I usually run my easy/steady effort (just under 70% of max HR) I can see the best average paces at those heart rates are showing to be my latest 2 months. The worst month (in the last year) was October post Covid when I ran the London marathon....doh!

I'm in slightly better shape than I was pre Covid August, which was my next best, so overall I'm pretty happy to conclude I'm progressing aerobically.
fetcheveryone
fetcheveryone
Jun 2022
1:44pm, 8 Jun 2022
27,743 posts
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fetcheveryone
I've added some date boxes to the HR analysis now, so that you can choose the start month:

fetcheveryone.com/training-analysis-heartrate.php
larkim
larkim
Jun 2022
1:56pm, 8 Jun 2022
18,035 posts
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larkim
Could you add drop downs on the graph to deselect years? And exclude runs with no heart rate data recorded. I've got one run this year which was a 33 mile ultra which I did at my better half's pace so turned off heart rate etc, but it makes the graph look daft. In fact, I assume all rows of the graph are skewed by any run where I've not worn my HRM?

(Apologies, these should probably be feature requests! But the second point about zero HR / absent HR is probably the more pertinent for pure analysis purposes)
fetcheveryone
fetcheveryone
Jun 2022
2:58pm, 8 Jun 2022
27,744 posts
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fetcheveryone
Deselect years?
larkim
larkim
Jun 2022
3:02pm, 8 Jun 2022
18,038 posts
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larkim
So only, say, 2019, 2020 and 2021 appear on the graph. There's so many wiggly lines on the graph they all blur into one.

About This Thread

Maintained by Elderberry
Everything you need to know about training with a heart rate monitor. Remember the motto "I can maintain a fast pace over the race distance because I am an Endurance God". Mind the trap door....

Gobi lurks here, but for his advice you must first speak his name. Ask and you shall receive.

A quote:

"The area between the top of the aerobic threshold and anaerobic threshold is somewhat of a no mans land of fitness. It is a mix of aerobic and anaerobic states. For the amount of effort the athlete puts forth, not a whole lot of fitness is produced. It does not train the aerobic or anaerobic energy system to a high degree. This area does have its place in training; it is just not in base season. Unfortunately this area is where I find a lot of athletes spending the majority of their seasons, which retards aerobic development. The athletes heart rate shoots up to this zone with little power or speed being produced when it gets there." Matt Russ, US International Coach

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