High heart rate during long run

High School Running Distance

5 years ago 02/02/2019 10:18pm EST

According to the formula of 220 minus your age my max heart rate should be around 204. However, I was wondering what the effects of my last long run would be since for the majority of the run (around 45 minutes of the total 1 hour run) my heart rate was around 180-190bpm and peaked at 200bpm. Also, my average pace was 7:36 which usually feels pretty easy yet during that run it felt very difficult (though the route was very hilly at some parts with around a 140 ft gain over thr last two miles). Maybe it's just that my body is tired for the consistent training I've been doing getting ready for track season but I'm not sure why my heart rate was so high over the course of the run. Any ideas on why this is would be greatly appreciated.

5 years ago 02/03/2019 12:06am EST

re: cbrunson

You probably have an inaccurate heart rate monitor. Run by feel, not heart rate. Also that age formula is a very rough guess, it can be over/under 20+ bpm.

5 years ago 02/03/2019 2:08am EST

re: cbrunson

Your HRM probably read your cadence instead of heart rate. A pace which normally feels easy might feel harder on a hilly long run when you are tired.

5 years ago 02/03/2019 4:57am EST

re: cbrunson

Several possibilities:

1. Optical wrist HR error picking cadence (shouldn't be the case if you use strap)

2. Your max HR is naturally high (don't use age formula, do actual max HR test run)

3. The route is harder than usual (hills easily increase HR)

4. You're doing something like 10k effort (if the 45min run was done at your race pace for the given distance + terrain)

5. You're exhausted (or sick, or lack sleep, etc.)

6. Extreme weather (colder or hotter than usual)

7. Dehydration (not to the point of feeling thirsty, but lower plasma volume)

5 years ago 02/03/2019 6:12am EST

re: HR department

HR department wrote:
Several possibilities:
1. Optical wrist HR error picking cadence (shouldn't be the case if you use strap)
2. Your max HR is naturally high (don't use age formula, do actual max HR test run)
3. The route is harder than usual (hills easily increase HR)
4. You're doing something like 10k effort (if the 45min run was done at your race pace for the given distance + terrain)
5. You're exhausted (or sick, or lack sleep, etc.)
6. Extreme weather (colder or hotter than usual)
7. Dehydration (not to the point of feeling thirsty, but lower plasma volume)

HRM on a chest strap can still pick up cadence instead of heart rate.

5 years ago 02/03/2019 10:48am EST

re: cbrunson

cbrunson wrote:
According to the formula of 220 minus your age my max heart rate should be around 204. However, I was wondering what the effects of my last long run would be since for the majority of the run (around 45 minutes of the total 1 hour run) my heart rate was around 180-190bpm and peaked at 200bpm. Also, my average pace was 7:36 which usually feels pretty easy yet during that run it felt very difficult (though the route was very hilly at some parts with around a 140 ft gain over thr last two miles). Maybe it's just that my body is tired for the consistent training I've been doing getting ready for track season but I'm not sure why my heart rate was so high over the course of the run. Any ideas on why this is would be greatly appreciated.

You might start moistening your chest strap before you head out son....

5 years ago 02/03/2019 10:50am EST

re: this just in

this just in wrote:
HRM on a chest strap can still pick up cadence instead of heart rate.

What links and evidence do you have of that ever happening?

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