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Chrisull
Chrisull
Jan 2021
12:28pm, 12 Jan 2021
17,099 posts
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Chrisull
Yeah most of the time optical and chest are the same for me, and when they diverge, the average tells me they haven't diverged.

What I'm saying is - if you look at the figures, and visually they look poles apart, but actually they aren't. Average is a pretty good broad indicator I'd say, unless the figures were failing in a particular way that meant the average stayed the same but they were way off.
Chrisull
Chrisull
Jan 2021
12:29pm, 12 Jan 2021
17,100 posts
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Chrisull
I'm more interesting in Zwift/Garmin/Heart rate. How do they link? Normally if I'm running it pairs and that's it. Zwift, never seems to pair, what other step do I need to perform?
Bazoaxe
Bazoaxe
Jan 2021
12:31pm, 12 Jan 2021
18,539 posts
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Bazoaxe
Here are my Abingdon stats from the Optical. based on past experience being around 160 is what I expected and towards the end it would creep up towards and maybe over 170, but you can see something started to change in mile 14.

1) 1m - 6:46(6:46/m) 150/164bpm 83cal 8.86/10.29mph
2) 1m - 6:37(6:37/m) 158/164bpm 87cal 9.07/9.54mph
3) 1m - 6:47(6:47/m) 158/162bpm 88cal 8.84/9.23mph
4) 1m - 6:54(6:54/m) 161/165bpm 91cal 8.7/9.62mph
5) 1m - 6:51(6:51/m) 161/167bpm 90cal 8.76/9.1mph
6) 1m - 6:46(6:46/m) 160/165bpm 87cal 8.86/9.46mph
7) 1m - 6:52(6:52/m) 159/164bpm 86cal 8.74/9.18mph
8) 1m - 6:49(6:49/m) 162/169bpm 88cal 8.8/9.35mph
9) 1m - 6:43(6:43/m) 162/166bpm 85cal 8.92/9.29mph
10) 1m - 6:48(6:48/m) 161/168bpm 83cal 8.83/9.08mph
11) 1m - 6:44(6:44/m) 162/178bpm 82cal 8.92/9.25mph
12) 1m - 6:46(6:46/m) 160/166bpm 74cal 8.88/9.25mph
13) 1m - 6:47(6:47/m) 160/166bpm 73cal 8.86/9.25mph
14) 1m - 6:50(6:50/m) 158/162bpm 64cal 8.78/8.97mph
15) 1m - 6:50(6:50/m) 152/160bpm 47cal 8.78/9.12mph
16) 1m - 6:58(6:58/m) 153/160bpm 49cal 8.62/9.31mph
17) 1m - 6:47(6:47/m) 150/158bpm 37cal 8.85/9.14mph
18) 1m - 6:49(6:49/m) 151/159bpm 41cal 8.8/9.02mph
19) 1m - 6:48(6:48/m) 153/159bpm 47cal 8.82/9.12mph
20) 1m - 6:46(6:46/m) 143/159bpm 26cal 8.87/9.12mph
21) 1m - 6:52(6:52/m) 145/165bpm 29cal 8.73/9.12mph
22) 1m - 6:50(6:50/m) 146/159bpm 34cal 8.79/9.02mph
23) 1m - 7:00(7:00/m) 148/157bpm 38cal 8.58/8.97mph
24) 1m - 7:00(7:00/m) 148/161bpm 40cal 8.58/8.95mph
25) 1m - 7:19(7:19/m) 141/167bpm 34cal 8.2/8.64mph
26) 1m - 7:10(7:10/m) 134/150bpm 22cal 8.38/8.95mph
27) 0.18m - 1:10(6:17/m) 128/132bpm 2cal 9.54/9.93mph
SPR
SPR
Jan 2021
12:36pm, 12 Jan 2021
32,927 posts
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SPR
Chris - It's pretty hard to be poles apart consistently and have the same average so sounds like you're saying they weren't poles apart?
Windsor Wool
Windsor Wool
Jan 2021
1:56pm, 12 Jan 2021
4,972 posts
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Windsor Wool
there was clearly something in the air / on the wrist that day Baz! From 9 miles for me!!

1) 1m - 6:46(6:46/m) 128/142bpm 61cal 8.86/9.54mph
2) 1m - 6:36(6:36/m) 131/142bpm 60cal 9.08/9.58mph
3) 1m - 6:37(6:37/m) 145/154bpm 71cal 9.06/9.37mph
4) 1m - 6:37(6:37/m) 146/156bpm 71cal 9.06/9.77mph
5) 1m - 6:34(6:34/m) 150/158bpm 74cal 9.14/11mph
6) 1m - 6:35(6:35/m) 154/162bpm 76cal 9.12/9.56mph
7) 1m - 6:42(6:42/m) 154/163bpm 76cal 8.96/9.66mph
8) 1m - 6:36(6:36/m) 150/163bpm 67cal 9.08/9.83mph
9) 1m - 6:37(6:37/m) 156/162bpm 76cal 9.08/9.54mph
10) 1m - 6:41(6:41/m) 138/158bpm 38cal 8.99/9.54mph
11) 1m - 6:36(6:36/m) 131/139bpm 23cal 9.09/9.66mph
12) 1m - 6:40(6:40/m) 132/139bpm 26cal 9.01/9.41mph
13) 1m - 6:33(6:33/m) 132/141bpm 28cal 9.16/9.81mph
14) 1m - 6:40(6:40/m) 136/146bpm 37cal 9/9.71mph
15) 1m - 6:39(6:39/m) 135/143bpm 35cal 9.03/10.1mph
16) 1m - 6:41(6:41/m) 139/144bpm 44cal 8.98/9.96mph
17) 1m - 6:36(6:36/m) 143/155bpm 50cal 9.1/9.73mph
18) 1m - 6:39(6:39/m) 141/149bpm 47cal 9.02/10.02mph
19) 1m - 6:37(6:37/m) 141/144bpm 44cal 9.06/9.52mph
20) 1m - 6:35(6:35/m) 142/147bpm 47cal 9.11/9.66mph
21) 1m - 6:38(6:38/m) 142/151bpm 45cal 9.03/9.66mph
22) 1m - 6:42(6:42/m) 142/147bpm 45cal 8.95/9.52mph
23) 1m - 6:49(6:49/m) 140/147bpm 38cal 8.81/9.1mph
24) 1m - 7:01(7:01/m) 142/147bpm 44cal 8.54/9.04mph
25) 1m - 7:34(7:34/m) 141/148bpm 43cal 7.93/8.93mph
26) 1m - 7:37(7:37/m) 140/144bpm 40cal 7.87/8.54mph
27) 0.22m - 1:33(6:57/m) 138/143bpm 7cal 8.62/8.95mph
larkim
larkim
Jan 2021
2:03pm, 12 Jan 2021
13,201 posts
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larkim
Baz's looks more bizarre in the sense that the gap between average per each mile and the max is bigger. If I didn't know that you were doubting the data WW I'd look at the data from mile 11 onwards and say that looked kosher; reasonable range, ramping up towards the end when your pace dropped off etc. Really odd given that it is clearly nonsense in comparison to the early miles.

My wife's garmin often does something similar in races, the first time it happened to her on a very cold and wet HM she worried the watch was telling her something was wrong, even though she didn't feel anything other than cold, tired and wind-battered.
Windsor Wool
Windsor Wool
Jan 2021
2:41pm, 12 Jan 2021
4,973 posts
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Windsor Wool
the reality is that after 2 miles at 6:3x I'd be in the 160s and the only way is up if you're gonna hold the pace across a marathon (if you're inadequately trained, like me).

I'm back using a chest strap now after about 6 years of not looking at HR at all. I'm getting some interesting results. I appear to be able to hold HR relatively flat / stable when running at a reasonable pace, let's say 7:30s for 10-12 miles. However, if I run at slower paces (let's say 8:30s) my HR is not massively lower (8-10 bpm) and I find it hard to control. I wonder whether years of neglecting my true aerobic base has resulted in this. I doubt that Baz would have that issue, for instance.

I once relied on my HR to guide me in a race. It ruined me and I've never tried again. Fortunately it was one of those short Manchester marathons and I still ran a *PB*. Ahem....
Bazoaxe
Bazoaxe
Jan 2021
2:59pm, 12 Jan 2021
18,544 posts
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Bazoaxe
You need to run more easy miles to fix that WW.
Dvorak
Dvorak
Jan 2021
3:10pm, 12 Jan 2021
21,729 posts
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Dvorak
Have people had a look at Fetch's new VO2 max calculator? I'm finding very consistent results from everything from a walk to the faster bits of a fake parkrun. (Taken from my optical hr.)

fetcheveryone.com/training-calculators-vo2max.php
SteveC NordRunner
SteveC NordRunner
Jan 2021
3:57pm, 12 Jan 2021
385 posts
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SteveC NordRunner
I haven't made a habit of it but an 8 km and 10 km race in December give results that are consistent. Neither match my Coros though, not that I worry about that.

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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