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Re: What distance is bikers' equivalent of a marathon
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Quote:

bodhipooh wrote:
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dtjcview wrote:
The science (kind of), backs up the triathalon numbers.

https://en.wikipedia.org/wiki/Bicycle_performance

On firm, flat ground, a 70 kg (150 lb) person requires about 60 watts [5] to walk at 5 km/h (3.1 mph). That same person on a bicycle, on the same ground, with the same power output, can travel at 15 km/h (9.3 mph) using an ordinary bicycle,[6] so in these conditions the energy expenditure of cycling is one-third of walking.

Cycling versus walking = 3:1 in terms of energy expended. Triathlon puts it at around 4:1. Right ballpark to me.


And, this is precisely what I was trying to convey in my original reply. In terms of actual effort (or, energy spent) running a marathon has a similar calorie burn as riding a century. The rule of thumb for calories / mile for running is about 130, and about 35 for riding. Those numbers are for an average male at an above-average effort (meaning, the person is pushing a bit and running or pedaling at a fairly good clip). If you do the math, 35 calories / mile times 100 miles equals 3,500 calories, while running 26.2 miles * 130 calories / mile equals ~3,400 calories. In other words, their energy expenditure is very similar.

Yes, different sports, and the physical tolls are different, but the energy spent is similar and the training and effort are definitely similar.


this is a bullshit argument.
By your logic, that same 150 lb person will burn the same amount of cals sleeping for 50 hours. Does that mean sleeping for a week is the same as running a marathon?

Posted on: 2016/8/15 14:05
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Re: What distance is bikers' equivalent of a marathon
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Quote:

dtjcview wrote:
The science (kind of), backs up the triathalon numbers.

https://en.wikipedia.org/wiki/Bicycle_performance

On firm, flat ground, a 70 kg (150 lb) person requires about 60 watts [5] to walk at 5 km/h (3.1 mph). That same person on a bicycle, on the same ground, with the same power output, can travel at 15 km/h (9.3 mph) using an ordinary bicycle,[6] so in these conditions the energy expenditure of cycling is one-third of walking.

Cycling versus walking = 3:1 in terms of energy expended. Triathlon puts it at around 4:1. Right ballpark to me.


And, this is precisely what I was trying to convey in my original reply. In terms of actual effort (or, energy spent) running a marathon has a similar calorie burn as riding a century. The rule of thumb for calories / mile for running is about 130, and about 35 for riding. Those numbers are for an average male at an above-average effort (meaning, the person is pushing a bit and running or pedaling at a fairly good clip). If you do the math, 35 calories / mile times 100 miles equals 3,500 calories, while running 26.2 miles * 130 calories / mile equals ~3,400 calories. In other words, their energy expenditure is very similar.

Yes, different sports, and the physical tolls are different, but the energy spent is similar and the training and effort are definitely similar.

Posted on: 2016/8/15 13:48
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Re: What distance is bikers' equivalent of a marathon
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LMFAO! feisty, aren't you JC NAY bore?

Too stupid to recognize those times as the current highest standards of human performance? Don't feel bad.

As far as my times I've never been much for comparing dick length on the internet, since mine are mostly silicone or glass. But you go girl!

Posted on: 2016/8/15 13:19
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Re: What distance is bikers' equivalent of a marathon
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The science (kind of), backs up the triathalon numbers.

https://en.wikipedia.org/wiki/Bicycle_performance

On firm, flat ground, a 70 kg (150 lb) person requires about 60 watts [5] to walk at 5 km/h (3.1 mph). That same person on a bicycle, on the same ground, with the same power output, can travel at 15 km/h (9.3 mph) using an ordinary bicycle,[6] so in these conditions the energy expenditure of cycling is one-third of walking.

Cycling versus walking = 3:1 in terms of energy expended. Triathlon puts it at around 4:1. Right ballpark to me.

Posted on: 2016/8/15 1:24
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Re: What distance is bikers' equivalent of a marathon
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stillinjc wrote:
...in terms of required stamina, expended energy, etc? I know it is not apples to apples. A 150 mile ride?

I concur that it is highly variable. It depends on...

• Your training for each sport
• How hard you push yourself
• Your equipment
• The relative difficulty of the courses
• Weather
• Incidentals like injuries or mechanicals

As a cyclist, I found a half marathon on a hot day to be tougher than most centuries. An experienced runner may have the opposite experience.

As to flat centuries, the NYC Century is very flat, and quite popular.

Posted on: 2016/8/15 0:51
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Re: What distance is bikers' equivalent of a marathon
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colleen wrote:
Olympic 10k swim: 1:50
Marathon: 2:02
Cycling 1 hour: 55 km

You do the math


Colleen, the math is simple but that's not the question. The time is NOT the issue. Pay attention here. Comparing a high-impact sport like long-distance running to to an almost-zero-impact sport of long-distance biking is Apples to Oranges but yet it was an interesting question. I know people who can ride like the wind but run like slugs and I know others who are the opposite. In other words, your mileage may vary.

I think we can assume that you couldn't do anywhere close to the times you cited.

Posted on: 2016/8/14 23:29
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Re: What distance is bikers' equivalent of a marathon
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Olympic 10k swim: 1:50
Marathon: 2:02
Cycling 1 hour: 55 km

You do the math

Posted on: 2016/8/14 21:25
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Re: What distance is bikers' equivalent of a marathon
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if you expect to *safely* be able to run 26.2 miles, sure anyone can do it - but not without proper training. and training is no joke and should be taken seriously. its too easy to injure yourself otherwise. just don't diminish the effort.

i dont know anything about biking long distances, only running them. training for a marathon is a 12-16 week commitment.

Posted on: 2016/8/13 17:53
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Re: What distance is bikers' equivalent of a marathon
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MikeyTBC wrote:
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bodhipooh wrote:
Meh.

Consider this: an Ironman (or other iron-distance races) consists of 2.4 miles swimming, 112 mile bike ride and a full marathon (26.2 miles). The three segments are meant to be comparable in terms of challenge/effort.


So you're saying, in your personal experience, your marathon(s) was as easy or easier than your century(ies)?



In training for both types of races, I find that I have to put the same level intensity and dedication to achieve similar results in terms of "good" time and physical energy spent.

Quote:

That's not why a 2.4 mile swim is a leg of an iron man, nor is it the reason 112mi is the bike portion.

From the wiki page:
"The idea for the original Ironman Triathlon arose during the awards ceremony for the 1977 Oahu Perimeter Relay...

...debating which athletes were more fit, runners or swimmers...

...the debate should be settled through a race combining the three existing long-distance competitions already on the island: the Waikiki Roughwater Swim (2.4 mi./3.86 km), the Around-Oahu Bike Race (115 mi./185.07 km; originally a two-day event) and the Honolulu Marathon (26.219 mi./42.195 km)."


It's almost universally agreed that 26.2 takes a bigger toll on the body than 100 miles in the saddle.


Of course, running 26.2 miles takes a bigger toll on the body! It's an impact exercise. You are literally subjecting your body parts to trauma (feet, knees particularly) while riding is less impactful. But, to train for both distances to end up performing more or less at the same level, they would both require the same level of effort and dedication.

Using "toll on body" as the metric by which to determine which discipline requires more training is capricious: swimming takes like zero toll on your body, but try going out there to swim a mile or two without training.

Posted on: 2016/8/13 11:19
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Re: What distance is bikers' equivalent of a marathon
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A road bike with 1inch tires would be less the half the work of a mountain bike so there is really no answer.

Posted on: 2016/8/13 6:24
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Re: What distance is bikers' equivalent of a marathon
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I think it just varies for each person. I've done century rides, and while tired at the end of the ride, it was a doable feat for me and not a huge deal. I don't think I could run more than a few miles, let alone a full marathon, without a lot of pain and puking my guts. On the flip side, I know marathon runners who grumble over a 40-mile bike ride.

Posted on: 2016/8/12 20:24
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Re: What distance is bikers' equivalent of a marathon
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I don't do much exercise aside from walking everywhere I go, and the occasional weekend sporting activity with friends. I did the 40 mile bike tour, which isn't meant to be strenuous, but 40 miles is 40 miles. Afterwards, the only thing that was really sore was my rear end.

Posted on: 2016/8/12 20:13
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Re: What distance is bikers' equivalent of a marathon
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Quote:

bodhipooh wrote:
Meh.

Consider this: an Ironman (or other iron-distance races) consists of 2.4 miles swimming, 112 mile bike ride and a full marathon (26.2 miles). The three segments are meant to be comparable in terms of challenge/effort.


So you're saying, in your personal experience, your marathon(s) was as easy or easier than your century(ies)?


That's not why a 2.4 mile swim is a leg of an iron man, nor is it the reason 112mi is the bike portion.

From the wiki page:
"The idea for the original Ironman Triathlon arose during the awards ceremony for the 1977 Oahu Perimeter Relay...

...debating which athletes were more fit, runners or swimmers...

...the debate should be settled through a race combining the three existing long-distance competitions already on the island: the Waikiki Roughwater Swim (2.4 mi./3.86 km), the Around-Oahu Bike Race (115 mi./185.07 km; originally a two-day event) and the Honolulu Marathon (26.219 mi./42.195 km)."


It's almost universally agreed that 26.2 takes a bigger toll on the body than 100 miles in the saddle.

Posted on: 2016/8/12 18:37
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Re: What distance is bikers' equivalent of a marathon
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Meh.

A marathon is doable for anyone, even without much training. Have you seen a lot of the "runners" that complete the NYC marathon every year? My comparison of a century ride to a marathon is based on personal experience, and the assumption of similar ambient conditions and for regular terrain that includes climbs and such, not just flat ground.

Consider this: an Ironman (or other iron-distance races) consists of 2.4 miles swimming, 112 mile bike ride and a full marathon (26.2 miles). The three segments are meant to be comparable in terms of challenge/effort.

Posted on: 2016/8/12 17:59
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Re: What distance is bikers' equivalent of a marathon
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On_The_3rd wrote:
MikeyTBC is right on the money. 100 miles "flat" isn't really that big a deal, this would be your NYC Century Ride. However, once you start looking at, say, 8000+ ft elevation gain, it's a different animal completely. My guess is that there are very few organized events that would bother hosting a flat century since it would be boring and not much of a challenge.


Unless you do it a time-trial style. On flat, a 5-hour century ride might be equivalent to 3-hour marathon, no?

Posted on: 2016/8/12 17:57
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Re: What distance is bikers' equivalent of a marathon
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MikeyTBC is right on the money. 100 miles "flat" isn't really that big a deal, this would be your NYC Century Ride. However, once you start looking at, say, 8000+ ft elevation gain, it's a different animal completely. My guess is that there are very few organized events that would bother hosting a flat century since it would be boring and not much of a challenge.

Posted on: 2016/8/12 15:07
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Re: What distance is bikers' equivalent of a marathon
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On_The_3rd wrote:
A "century" would probably be considered the equivalent. There are metric centuries (62 miles) and imperial centuries (100 miles). Most cyclists refer to 100 miles as being a true century, and a "welcome to the club" accomplishment.


I've done a bunch of 100-mile Century rides but never a marathon and I was kinda curious about the OP's question so I shot it off to my brother who's done both and triathlons. Here's his response:

"Hmm - it all depends on how much you “like” each sport. For me, a marathon is hard, much harder than a century (100 mile) bike ride. Somebody suggested 150 miles and that sounds more like it – maybe even 175 miles. Essentially riding all day long for most people."

Posted on: 2016/8/12 14:50
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Re: What distance is bikers' equivalent of a marathon
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bodhipooh wrote:
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stillinjc wrote:
...in terms of required stamina, expended energy, etc? I know it is not apples to apples. A 150 mile ride?


I would say a century ride (100 miles) is about equivalent to a marathon in terms of effort, and training.


not really...a relatively fit weekend warrior cyclist can go out and do a century without any special training.

The only way a century is comparable to the marathon is in the ceremonial sense.

A century seems more like a half marathon. Of course the amount of climbing would have to be taken into consideration.

Posted on: 2016/8/12 14:20
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Re: What distance is bikers' equivalent of a marathon
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A "century" would probably be considered the equivalent. There are metric centuries (62 miles) and imperial centuries (100 miles). Most cyclists refer to 100 miles as being a true century, and a "welcome to the club" accomplishment.

Posted on: 2016/8/12 13:39
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Re: What distance is bikers' equivalent of a marathon
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Posted on: 2016/8/12 12:55
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Re: What distance is bikers' equivalent of a marathon
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Quote:

stillinjc wrote:
...in terms of required stamina, expended energy, etc? I know it is not apples to apples. A 150 mile ride?


I would say a century ride (100 miles) is about equivalent to a marathon in terms of effort, and training.

Posted on: 2016/8/12 11:59
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What distance is bikers' equivalent of a marathon
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...in terms of required stamina, expended energy, etc? I know it is not apples to apples. A 150 mile ride?

Posted on: 2016/8/12 11:56
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