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Re: DCRainmaker preview of Stryd running power meter [motoguy128]
motoguy128 wrote:
Here's examples.

I want to do hill repeats at threshold pace. Currently, I run based on guessing my RPE, breathing rate, etc.

I want to compare repeats efforts I did last month to today, but I've lost 4lbs since then. How much of the improvement is from weight or fitness?

I'm trying to measure improvements in run economy from today vs. 3 months ago. Right now I need to use HR or use a treadmill in a test lab.

I'm out for a run on a trail wooded off road rugged, hilly trail. I want to hold a steady effort around 65%.

I'm doing a 50 mi Ultra. I don't want to exceed 80% up any hills. I want to measure fatigue and hydration by output compared to pace and HR respectively.


Why?

How would any of those things you listed make training more effective?
Is there any evidence not exceeding 80% (of what?) or holding a steady effort of 65% ( of what? ) improves training or performance?

What actionable intelligence would a running power meter give you?

Edit: I've been thinking about this and I can see uses for accurate power data running.

The treadmills at my gym show power in watts. I doubt it is accurate but it seems consistent. They have a card system where you insert your card and it account for weight, speed and slope.

Yesterday After a 5000m row, I did 30 minutes on the treadmill. Due to a knee injury I can't run so I set the slope to 10% to 15% and walk at 3mph to 4mph. This gets the watts up to a over 300 watts.

Now I can see that if these wattage numners are accurate I would been able to compare walks or runs at different times at different slopes on different machines in different gyms. I would be able to track training. Now I could just use pace and take note of the slope but watts gives me a single number so I can see the difference between various speeds and slopes over time.

If I were to run outdoors over variable terrain and if the power were accurate so I can make direct comparisons I can see they being able to compare the wattage at different speeds and gradients would be of use.

But I can always track fitness by doing a run on the flat. I can see having power would really change the way I train but I can see it being useful.

I was surprised how much the power on the treadmill varied. Up the slope and the human mind tends to maintain the speed until it gets feed back that the effort has increased and then moderates pace. I was surprised by how the wattage jumps up when you up the slope.

As for tracking training, would power be any better than heart rate? If and its a big if, if the power were accurate it could be useful.

I like the minimalism of running, I don't want to get my running (or fast walking) to become all numners and software, but surely all the arguments for using it cycling are valid for running even if runners are not so affected by wind and drag?

So I think I'm changing my mind having considered the arguments. But only if the power data is accurate.

But running is about pace not power. Does an increase in power always mean an increase in pace? What if your form goes bollox and you are putting out more power but just stamping up and down more and not increasing pace?

I don't know. More opinions required. More info required.
Last edited by: Trev: Feb 4, 15 3:11

Edit Log:

  • Post edited by Trev (Dawson Saddle) on Feb 4, 15 3:11