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Old 01-13-09, 12:36 PM   #1
ROJA
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What is your age and what is your max HR?

I thought this thread might be helpful for those who thing that the old "220-age" calculation is accurate.

Fill in your details below.

Age: 28 (when I last measured max HR)
Actual Max HR (measured): 210 bpm
220-age calculation: 192 bpm
Error: -18 bpm
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Old 01-13-09, 03:00 PM   #2
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Age: 48
Approx MHR: 192.5
220-age: 172

Error: 20.5 bpm

I've only had my HR monitor for 10 days and have used it 8 times so far. My highest observed HR is 164. I'm focusing more on base riding on the rollers right now with a few intervals at the end, so I'm not really pushing it really hard. I calculated my MHR with the 2X20 Lactate Threshold test and then assumed that that number was 80% of my MHR which may or may not be correct.

Edit to add: got it to 171 today doing intervals on the rollers

Last edited by IceNine; 01-13-09 at 05:42 PM. Reason: new info
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Old 01-13-09, 03:10 PM   #3
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Age: 48 (almost 49)
Max HR: 195 +/- 2
220-Age = 171
Error: 24 (approx)

My max HR is from a year or two ago (a sprint at the end of a very long run). I don't think it's dropped more than 2 bpm.

I've never gone over 180 on a bike.

Last edited by dwilbur3; 01-13-09 at 03:11 PM. Reason: Left out error.
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Old 01-13-09, 07:44 PM   #4
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47 years old MHR 195

220-47=173 22 BPM error
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Old 01-13-09, 08:50 PM   #5
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Age: 54
Max HR: 186
220-age=166, so 20 BPM error.

Huh. So far, everyone is ~20-22 BPM higher than the formula.
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Old 01-14-09, 03:02 AM   #6
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So far, everyone is ~20-22 BPM higher than the formula.
That's because this formula is way off for people over ~35. MHR doesn't decrease one beat per year.
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Old 01-14-09, 07:31 AM   #7
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Age: 33
Actual Max HR (measured): 187 bpm IIRC is the highest I've seen
220-age calculation: 187 bpm
Error: 0
LTHR (Friel field test on trainer): 171 bpm
I averaged 170 bpm last spring during a 50 minute mtb race
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Old 01-14-09, 02:42 PM   #8
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Age: 58
Actual Max HR measured: 165
Projected: 162
Error: 3
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Old 01-14-09, 02:44 PM   #9
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Age: 58
MHR (measured): 192
Projected: 162
Error: 30
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Old 01-14-09, 03:37 PM   #10
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41. Hit 191 during a 5K run 2 weeks ago. Regularly hit a ceiling of 184 during a Spin class.
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Old 01-14-09, 06:02 PM   #11
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Age 31
Resting HR=50
Max HR 200
Projected 189
I can hit 200 pretty easily. I hit 204 in a spin class last year. I rode the chequamegon 40 mile MTB race last fall and averaged 188 for 2:48.
SO related question. If the formula is not accurate. When does your Max HR start decreasing if you excercise regulary?
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Old 01-14-09, 07:29 PM   #12
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SO related question. If the formula is not accurate. When does your Max HR start decreasing if you excercise regulary?
That is a great question. Has anyone tracked this? Apparently it is inevitable that your max HR should drop over time, but the question is how much?
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Old 01-14-09, 10:19 PM   #13
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I'm 40. Three years ago when I first started riding regularly, I'd hit 189-190 bpm.... though that was on a trainer and I was pretty out of shape back then. The highest I've seen since I've gotten alot more fit is 183-185 bpm (during training or on a trainer).

I have yet to hit 180 bpm during a race though... 179 bpm being my highest ever, although I normally average over 160 bpm for the entire race.

My resting heart rate (laying down) is 45-46 bpm
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Last edited by ZXiMan; 01-14-09 at 10:23 PM.
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Old 01-15-09, 01:02 AM   #14
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Age 37 never had my max HR measured, have seen 201 on Hr monitor after an extremely large hill with a 15% grade at end. I didn't die so I guess 201 is my max. The old method I should be 183.
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Old 01-15-09, 11:53 AM   #15
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35 years old.
203 max HR many times.
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Old 01-15-09, 01:02 PM   #16
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It is not a forumula to determine max HR, it is a statistical representation, a "best line fit" of sample data.
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Old 01-15-09, 03:26 PM   #17
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Age: 48 (almost 49)
Max HR: 185 +/-
220-age: 172
Error: 13 bpm

I did an indoor test to 183, but hit 185 at the end of an ITT last spring, and again at the top of a steep climb (intervals workout) last summer.

Yes, it's a statistical linear model, but I'd like to know the variance. My guess is, a 95% confidence contour is going to be pretty wide.

Last edited by palookabutt; 01-15-09 at 03:34 PM. Reason: Fat fingers f---ked first one.
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Old 01-15-09, 03:30 PM   #18
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SO related question. If the formula is not accurate. When does your Max HR start decreasing if you excercise regulary?
No, max heart rate is genetically determined, it does not change when you exercise more.
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Old 01-15-09, 04:47 PM   #19
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It is not a forumula to determine max HR, it is a statistical representation, a "best line fit" of sample data.

According to these researchers, it's not even a best fit to the "sample data."

http://faculty.css.edu/tboone2/asep/Robergs2.pdf

Last edited by Road Fan; 01-15-09 at 04:51 PM.
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Old 01-15-09, 04:50 PM   #20
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Age when tested: 54 (14 months ago)
Max HR: At least 182
220 - 54 = 166
Error = 16 bpm
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Old 01-15-09, 11:17 PM   #21
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So according to the article Road Fan cited. The 220 graph is junk and wildly inaccurate. Your Max HR is whatever you can hit doing a maximum excertion test. I usually hit my max doing sprints in spin class.
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Old 01-15-09, 11:23 PM   #22
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I find it very difficult to hit my maximum HR on a bicycle. I can sprint 200-300 meters and still only hit 175-179 bpm. I'm sure if I sprinted until I fatigued I'd probably hit it but I've never needed to do that!
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Old 01-16-09, 02:30 AM   #23
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Age: 26
Actual Max HR (measured): 190 bpm
220-age calculation: 194 bpm
Error: -4 bpm

I seem to be pretty low for my age. It's a rare occasion I see 190bpm on the HRM unless it is a real full throttle effort. I seem to "rev out" at more like 185bpm on the bike. I also have a resting HR of 38 (measured first thing a.m).
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Old 01-16-09, 10:01 AM   #24
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According to these researchers, it's not even a best fit to the "sample data."

http://faculty.css.edu/tboone2/asep/Robergs2.pdf
Nice -- thanks for posting that. Interesting to see so many different models.
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Old 01-16-09, 10:21 AM   #25
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Nice -- thanks for posting that. Interesting to see so many different models.
+1

Also interesting that they didn't consider any of the methods to have much value. Too much variation among the population to just draw a line.
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