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Dogtrousers

Dogtrousers

Lefty tighty. Get it righty.
Post edited due to finding a bug. It's changed, but not substantially. If you want to see the (wrong) original @matticus has quoted it below.

In response to massive public clamour demanding more graphs, I have reluctantly agreed to provide some.

This time some distributions. They are almost interesting.

What I did, for each year, was to chop up the time between first and last finisher into 20 equal buckets. I then counted how many riders were in each bucket. Doing it this way meant I could combine years to get a kind of average distribution. It may or may not be statistically valid, I don't know but it makes pretty graphs.

Bucket 1 on the right is the bucket containing the winner, and 21 on the left contains the lanterne rouge.

1755163172813.png

In 1974-86 it's broadly symmetrical. There are lots of medium riders, a few fast ones and a few slow ones. The commonest bucket is right in the middle, number 10. It almost looks like a "bell curve" from a stats textbook,
In 1987-99 the bulge shifts a bit to the left. The commonest bucket is 14. There's also the beginnings of a second hump appearing around bucket 3. So there seems to be one distribution containing the GC contenders over on the right, centred around 3, and another containing everyone else over on the left.
In 2000-2012 this trend continues. The elite group is becoming more defined and shifting right and the commonest buckets are 15-17. There are fewer riders in the valley between the two humps.
In 2013-25 this is consolidated. There are more riders in the commonest buckets. Bucket 16 is up from 7% to 8%. There are even fewer in the "valley" of around bucket 5, and the peak of the elite riders has moved further right to bucket 1.

I think this shows the emergence of a two-speed race, with fewer and fewer elite GC contenders battiling it out over on the right, and more and more riders joining the bulge, which is moving to the left.

What does this tell us about doping? I have no idea. But it's interesting, innit?

And finally, here is the weird monstrosity that is the distribution for 2025 alone.
1755163869675.png


Jeez! What's going on here? The bulge has lurched so hard to the left it has splatted against the wall. A whole 10% of the race are clinging on at the back in the grupetto bucket, no 20. The Lanterne Rouge is being fiercely contended! Then there's the "everybody else" hump at 14. Then it sort of fizzles out until we get to the elite distribution, sort of centred around bucket no 2.

I have absolutely no idea what that means. Not a clue.

Here's a kind of animation of everything sloshing to the left over the past 4 years.
1755163590264.png
 
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And finally, here is the weird monstrosity that is the distribution for 2025 alone.
1755108061156.png


Jeez! What's going on here? The bulge has lurched so hard to the left it has splatted against the wall. A whole 10% of the race are clinging on at the back in the grupetto bucket, no 21. The Lanterne Rouge is being fiercely contended! Then there's the "everybody else" hump at 15. Then it sort of fizzles out until we get to the elite distribution, sort of centred around bucket no 3. Pog's all on his own in bucket 1.

I have absolutely no idea what that means. Not a clue.
Insane racing in week 1 - lots of riders knackered early, some GC wannabes getting found-out early on, lots more than usual just riding for the time cut on more stages (usually after "doing a job" early on).
 
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Dogtrousers

Dogtrousers

Lefty tighty. Get it righty.
Insane racing in week 1 - lots of riders knackered early, some GC wannabes getting found-out early on, lots more than usual just riding for the time cut on more stages (usually after "doing a job" early on).

Yup, I think that's a good explanation. It's also why it's best to combine a few years if you want to look at trends because an individual race is always going to have its own idiosyncrasies down to the route, the racing, and just stuff that happens.

(btw I've just amended my original post because I found an error. It's not massively different.)
 
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No Ta Doctor

Über Member
I'm too dense to understand graphs. Much the stats they show on screen during footie these days.
Fortunately clever people like you and @Dogtrousers are on hand to explain things to me and @Adam4868 ...

Oh I'm quite good with graphs, if people label them properly. But mainly, they just look nice and help to suggest you've taken the argument seriously and came with data. Most people never check that the axes are Fish and Bicycles per household or something
 

No Ta Doctor

Über Member
Steak pie chart... :whistle:

This post contains pie charts







...burp

Sorry, *contained* pie charts
 
Interesting. I've only looked at this latest set of charts no not sure anyone's mentioned it earlier, but perhaps part of the shift from 1999 onward was that teams started to tell their riders to just ride into the finish at their own pace once they'd done their job to recover and save themselves to help better the next day? I'm pretty sure USPS started/popularised this and there were people grumbling at the time saying it's not in the spirit of the sport etc (i.e. everyone is supposed to try and finish with the peloton every day).
 

Animo

Senior Member
Interesting. I've only looked at this latest set of charts no not sure anyone's mentioned it earlier, but perhaps part of the shift from 1999 onward was that teams started to tell their riders to just ride into the finish at their own pace once they'd done their job to recover and save themselves to help better the next day? I'm pretty sure USPS started/popularised this and there were people grumbling at the time saying it's not in the spirit of the sport etc (i.e. everyone is supposed to try and finish with the peloton every day).

Finish at their own pace in order that the man on the moto could link up with them to start supplying the goods to get them ready for the next day?
 
Finish at their own pace in order that the man on the moto could link up with them to start supplying the goods to get them ready for the next day?

I'm not saying it was their only 'innovation', just that it might help explain the change in the shape of the distribution from that period onward as other teams adopted it.
 
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