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Proportion of each leg

deepbluex's picture
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started by deepbluex on May 3, 2006

Just being a nerd. Thought this might be interesting.

IRONMAN 140.6 miles
Swim 2.4 = 1.8% of total distance
Bike 112 = 79.7% of total distance
Run 26.2 = 18.6% of total distance

OLYMPIC 51.5km
Swim 1500m = 3% of total distance
Bike 40K = 77.7% of total distance
Run 10K = 19.4% of total distance

SPRINT (variable but throwing some # as an example)
Swim 0.5mile = 2.3% of total distance
Bike 18 mile = 82.9% of total distance
Run 5K = 14.7% of total distance

ggalvao's picture
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ggalvao posted 2 years ago.

I thought you were going to conclude something about it! :P

Triguy98's picture
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Triguy98 posted 2 years ago.

REAL nerds would have graphs and such. Dont disappoint! ;)

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Anton's picture
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Anton posted 2 years ago.

At least a pie chart! :)

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Noel posted 2 years ago.

Somebody say pie?

WHAT? I'm carbo loading.. don't look at me that way

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kylie's picture
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kylie posted 2 years ago.

*geeks* I'd be interested in seeing percentages on time ranges... but not enough so to find some time stats and figure them out right now ;) *done geeking*

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glbrum posted 2 years ago.

you forgot half ironman....

tcrunner07's picture
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tcrunner07 posted 2 years ago.

Y...y..y.yyyyyyy?

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glbrum's picture
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glbrum posted 2 years ago.

tcrunner07 wrote:
Y...y..y.yyyyyyy?

what........?

TBRAVO's picture
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TBRAVO posted 2 years ago.

So my question for the Trifuel Gang is..
Does (or should) your training-schedule mirror these percentages?
In other words, if you look at your total distance for a normal training week, does the swim take up 1.8% of the total, bike 79.7% of the total and run 18.6% of the total? Or do you look at it from time spent in each discipline or some combo of both?
- T

deepbluex's picture
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deepbluex posted 2 years ago.

That's a great question TBravo and that's kind of the reason I was putting some arithmetic around this... I think that the training time should reflect the amount of time spent on each leg.

Ironman - let's say a total time of 12hr could be split:

1.5 hr swim = 12% of total time to traverse about 2% of total distance
6.5 hr bike = 52% of time for 80% of distance
4 hr run = 32% of time for 18% of distance

Now to answer tcrunner's "WHY??????" (I don't know why you're not using the "w" or "h" on your keyboard but to each his own), I'm just trying to get my head around what kind of ratios of time and distances and therefore effort budgeting goes into this sport. It's interesting to know that while the run is only 1/5th the distance of the bike, you're spending 4/5th the amount of time of the bike on the run... So I guess that you would maximize your investment by training to reflect these ratios while taking into consideration adding training time to your limiter events.

We have these wildly differing ratios of investment returns (distance traversed) per unit of work invested ("time spent racing" - which is speed X distance).
Swimming is super expensive for miserly returns while the bike is super cheap per mile and running is somewhere in between. So the next question is - is the ironman distance race biased to favor a biker or a runner?

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runpuddrun posted 2 years ago.

HIM percentages would be exactly the same as an Ironman, he, he, he

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glbrum's picture
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glbrum posted 2 years ago.

deepbluex wrote:
So the next question is - is the ironman distance race biased to favor a biker or a runner?

Runner. It's all about the run in an ironman.

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kylie posted 2 years ago.

deepbluex wrote:
So the next question is - is the ironman distance race biased to favor a biker or a runner?

It's biased to favor an Ironman/triathlete :) A runner couldn't do it, a biker couldn't do it, a swimmer couldn't do it.

Not that I don't think the percentages are interesting, and could be useful in training balances, but although I was a runner first I now associate with being a triathlete. I don't swim, bike, and run, I do triathlons. To me it is one of the sections of Brad Kearn's new book (Breakthrough Triathlon Training ) is getting over being good/bad at each of the three, and looking more at the big picture, and the interactions of the three.