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  1. #1
    Junior Member Deltacornbread's Avatar
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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?
    Some people are like a slinky. Not really good for anything. But they still make you smile when you push them down the stairs!

  2. #2
    Senior Member Looigi's Avatar
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    1400

  3. #3
    Email for new group DnvrFox's Avatar
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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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    Junior Member Deltacornbread's Avatar
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    Quote Originally Posted by DnvrFox View Post
    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.
    Some people are like a slinky. Not really good for anything. But they still make you smile when you push them down the stairs!

  5. #5
    Senior Member xizangstan's Avatar
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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?
    Who is John Galt?

  6. #6
    Century bound Phil85207's Avatar
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    A power meter would give you that answer.
    Chief Executive In Charge Of Diddly Squat.

    Taking on a long hill is like fighting a Gorilla. You don't stop when you are tired, You stop when the Gorilla is tired.

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  7. #7
    Senior Member Looigi's Avatar
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    Quote Originally Posted by xizangstan View Post
    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...
    Last edited by Looigi; 03-26-11 at 06:01 PM.

  8. #8
    Senior Member Looigi's Avatar
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    Quote Originally Posted by Phil85207 View Post
    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.

  9. #9
    Senior Member Allegheny Jet's Avatar
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    Quote Originally Posted by Phil85207 View Post
    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.
    oldschool areodynamic brick

  10. #10
    Climbing Above It All BikeWNC's Avatar
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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.
    FS: Shimano DA 7900 brake calipers, DA 7900 Crankset 50/34 175mm and BB

  11. #11
    2 Fat 2 Furious contango's Avatar
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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.

  12. #12
    Musashi Rider kennytb's Avatar
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    Quote Originally Posted by xizangstan View Post
    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.
    Peace & Long Life

  13. #13
    Senior Member Allegheny Jet's Avatar
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    This caluclator might get a good estimate. It has several different ave speed choices.

    http://www.csgnetwork.com/caloriesactburned.html
    oldschool areodynamic brick

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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.
    It is better to smell the flowers than taste the roots.

  15. #15
    I need speed AzTallRider's Avatar
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    Quote Originally Posted by HawkOwl View Post
    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.
    "If you're riding less than 18 MPH up a 2% grade please tell people Coggan is coaching you."

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    Quote Originally Posted by kennytb View Post
    There are so many ways to think about that question.
    Yeah, true...but he did say "stayed home".

  17. #17
    Junior Member Deltacornbread's Avatar
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    Quote Originally Posted by HawkOwl View Post
    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.
    Some people are like a slinky. Not really good for anything. But they still make you smile when you push them down the stairs!

  18. #18
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    Quote Originally Posted by AzTallRider View Post
    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 )
    Bud

  19. #19
    Motorcycle RoadRacer cehowardGS's Avatar
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    Quote Originally Posted by HawkOwl View Post
    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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  20. #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.

  21. #21
    Email for new group DnvrFox's Avatar
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    I think a 25 mile ride ='s one Big Mac
    Almost gone from the 50+ forum. - Email me at dnvrfox@aol.com for another fun new group of 50+ folks

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    Quote Originally Posted by Deltacornbread View Post
    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.
    It is better to smell the flowers than taste the roots.

  23. #23
    Senior Member Road Fan's Avatar
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    Quote Originally Posted by contango View Post
    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.

  24. #24
    Senior Member Looigi's Avatar
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    Quote Originally Posted by AzTallRider View Post
    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.

  25. #25
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    Quote Originally Posted by Looigi View Post
    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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