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Old 03-26-11, 12:50 PM   #1
Deltacornbread
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Burn calories?????

Made my Saturday morning run. 26 miles on mostly packed pea gravel. Half the ride have tail or rear quarter wind . Coming back, head or front quartering wind. Wind around 15mph. Average speed about 13mph on mountain bike with "commuter" tires.
How many calories did I burn?
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Old 03-26-11, 03:13 PM   #2
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1400
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Old 03-26-11, 03:33 PM   #3
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About 55-60 x 26, depending on a whole lot of variables like your weight, general condition, hills, etc.

The 1400 above sounds close.
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Old 03-26-11, 04:03 PM   #4
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About 55-60 x 26, depending on a whole lot of variables like your weight, general condition, hills, etc.

The 1400 above sounds close.
K. Weight is 180. Condition, good. No hills. Just wide open, no wind blocks.
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Old 03-26-11, 04:06 PM   #5
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I think you probably burned just a few more calories than you would have if you stayed home and made love. But which would you enjoy more?
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Old 03-26-11, 05:51 PM   #6
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A power meter would give you that answer.
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Old 03-26-11, 05:57 PM   #7
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I think you probably burned just a few more calories than you would have if you stayed home and made love. ..
According to one reference I use, vigorous sexual activity burns ~100 cal/hr.

http://caloriecount.about.com/calori...ty-active-a368

I don't know about you, but I peter out well before 1 hr, so to speak...

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Old 03-26-11, 06:02 PM   #8
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A power meter would give you that answer.
No it won't. He would have had to have ridden with a power meter. Since he's asking after the ride, no power meter will provide the answer.
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Old 03-26-11, 06:10 PM   #9
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A power meter would give you that answer.
I would ask my power meter for him,... but I had to return it for repairs because it was showing wattage's during my rides that would make Jens Voigt envious.
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Old 03-26-11, 06:33 PM   #10
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I doubt it's as high as 1400 Cal. On a flat 2 hour ride covering 26 miles it might be under 1000 Cal or in that neighborhood.
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Old 03-26-11, 06:41 PM   #11
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I weigh about 250 and I've seen estimates that range from 40-80 calories per mile. Obviously a mile of freewheeling downhill takes almost no effort, climbing a big hill takes more.

26 miles x 40 cal/mile = 1040 cal. 26 miles x 80 cal/mile = 2080 cal.

Personally I figure without some specific means of measuring your power output there's no point guessing what difference it makes to ride on gravel or tarmac of different grades or whatever else.
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Old 03-26-11, 06:51 PM   #12
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I think you probably burned just a few more calories than you would have if you stayed home and made love. But which would you enjoy more?
There are so many ways to think about that question.
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Old 03-26-11, 07:12 PM   #13
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This caluclator might get a good estimate. It has several different ave speed choices.

http://www.csgnetwork.com/caloriesactburned.html
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Old 03-26-11, 08:37 PM   #14
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Why do you care? Running(or riding, you said both in the same paragraph) 26 miles tells me you are relatively fit. It makes little sense to worry about calories when the real measure is fitness and whether you fit in your current wardrobe. The other meaningful factor is What you eat. Eat proper foods and pay attention to activity performance and adjust as needed. Counting calories is just a marketing ploy to distract you from reality.
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Old 03-27-11, 09:08 AM   #15
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Why do you care? Running(or riding, you said both in the same paragraph) 26 miles tells me you are relatively fit. It makes little sense to worry about calories when the real measure is fitness and whether you fit in your current wardrobe. The other meaningful factor is What you eat. Eat proper foods and pay attention to activity performance and adjust as needed. Counting calories is just a marketing ploy to distract you from reality.
Counting calories has proven to be one of the most important factors influencing weight loss. Those that count calories are far more successful losing weight than those who don't. So, if your intent is to lose/control weight, counting calories will most definitely help you to do that. On the intake side, tracking calories has a huge influence on what you eat, and educates you concerning where the calories (and nutrients) are coming from. Tracking both intake and output lets you home in on the amount you should be eating to achieve your weight goals. And yes, Power Meters (and heart rate monitors) are a great way to home in on how many calories you are burning.
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Old 03-27-11, 09:34 AM   #16
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There are so many ways to think about that question.
Yeah, true...but he did say "stayed home".
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Old 03-27-11, 12:35 PM   #17
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Why do you care? Running(or riding, you said both in the same paragraph) 26 miles tells me you are relatively fit. It makes little sense to worry about calories when the real measure is fitness and whether you fit in your current wardrobe. The other meaningful factor is What you eat. Eat proper foods and pay attention to activity performance and adjust as needed. Counting calories is just a marketing ploy to distract you from reality.
Just curious.
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Old 03-27-11, 02:47 PM   #18
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weight goals. And yes, Power Meters (and heart rate monitors) are a great way to home in on how many calories you are burning.
How does heart rate measure calories? (not trying to be a SA, just curious )
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Old 03-27-11, 02:50 PM   #19
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Why do you care? Running(or riding, you said both in the same paragraph) 26 miles tells me you are relatively fit. It makes little sense to worry about calories when the real measure is fitness and whether you fit in your current wardrobe. The other meaningful factor is What you eat. Eat proper foods and pay attention to activity performance and adjust as needed. Counting calories is just a marketing ploy to distract you from reality.

This should be made a STICKY!!

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Old 03-27-11, 03:42 PM   #20
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I have a GPS that I wear on my wrist on occasion, and it has some sort of algorithm for estimating calories. My average is around 38 calories/mile. Based on that average, your 26-mile ride would yield 988 calories.

For my purposes, that's close enough for government work. I watch calories-in but don't really count them. After a good ride when I have worn the GPS, I get a feeling of satisfaction when I look at calories burned for the ride and there's a comma in the number.
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Old 03-27-11, 04:36 PM   #21
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I think a 25 mile ride ='s one Big Mac
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Old 03-27-11, 05:40 PM   #22
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Just curious.
OK, that makes sense.

So many people don't realize that outside the laboratory calorie measurement and therefore calorie counting is all a series of approximations. For the unfit or those trying to gain or lose weight the approximations are useful as motivating and rough measurement tools. For the rest of us not so useful. Of course there are those who get great joy from manipulating numbers whether there is great significance to them or not.
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Old 03-27-11, 05:53 PM   #23
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I weigh about 250 and I've seen estimates that range from 40-80 calories per mile. Obviously a mile of freewheeling downhill takes almost no effort, climbing a big hill takes more.

26 miles x 40 cal/mile = 1040 cal. 26 miles x 80 cal/mile = 2080 cal.

Personally I figure without some specific means of measuring your power output there's no point guessing what difference it makes to ride on gravel or tarmac of different grades or whatever else.
This number is in the ballpark of what my HRM tells me.
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Old 03-27-11, 05:53 PM   #24
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Counting calories has proven to be one of the most important factors influencing weight loss. Those that count calories are far more successful losing weight than those who don't. So, if your intent is to lose/control weight, counting calories will most definitely help you to do that. On the intake side, tracking calories has a huge influence on what you eat, and educates you concerning where the calories (and nutrients) are coming from. Tracking both intake and output lets you home in on the amount you should be eating to achieve your weight goals. And yes, Power Meters (and heart rate monitors) are a great way to home in on how many calories you are burning.
Yup. Simple arithmetic. It's really the only thing that works for me.

Estimated calories burned as a function of average heart rate in b/m (H), weight in lbs (W), age (A) and time in minutes (T)

C = (0.6309 x H + 0.09036 x W + 0.2017 x A - 55.0969) x T / 4.18

Last edited by Looigi; 03-27-11 at 06:03 PM.
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Old 03-27-11, 06:14 PM   #25
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Yup. Simple arithmetic. It's really the only thing that works for me.

Estimated calories burned as a function of average heart rate in b/m (H), weight in lbs (W), age (A) and time in minutes (T)

C = (0.6309 x H + 0.09036 x W + 0.2017 x A - 55.0969) x T / 4.18
Gotta be a step or something I'm missing here; just plugged my numbers in for an average commute from a couple years ago, when I was actually working up a sweat. The number was slightly above 1 million calories per ride.
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