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How much do hills affect your speed?

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Road Cycling “It is by riding a bicycle that you learn the contours of a country best, since you have to sweat up the hills and coast down them. Thus you remember them as they actually are, while in a motor car only a high hill impresses you, and you have no such accurate remembrance of country you have driven through as you gain by riding a bicycle.” -- Ernest Hemingway
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How much do hills affect your speed?

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Old 04-27-07, 04:14 PM
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How much do hills affect your speed?

I'm and a terrible climber and I was just wondering how much hills slow you down and what I am working towards.
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Old 04-27-07, 04:22 PM
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The hills, they drop me like a stone.
Anything over 5 or 6% will take me down to single digit speeds like "right now"
So, I just try to set up a steady pace and go. I tried to maintain my speed but that just started blowing my HR out so it finally hit me: don't maintain the speed; drop a gear or two and maintain my cadence.
Seems kinda obvious to me... I'll let you know how that works.
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Old 04-27-07, 04:23 PM
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It depends on how I feel on a particular day, and the grade of the hill, the length of the hill, the wind direction, the force of the wind, if it's a long ride with lots of climbs (I may spin more) or just a few short steep climbs (may just mash up them), etc... lots of variables to consider.
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Old 04-27-07, 04:36 PM
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Completely dependent on the grade and length of the hill.
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Old 04-27-07, 04:36 PM
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I can average 20+ on most flats given the wind is calm... There is a 26% climb 7 miles from home that drops me to 8 mph.

So, I guess some hills just stop me in my tracks.
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Old 04-27-07, 05:16 PM
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All depends how mean the hill is....gradient and length.
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Old 04-27-07, 05:33 PM
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I work out hard on the hills as it's most everybody's weakness. On the flats, best hard effort is 22.6 mph. On a 5 mile 7% grade, my best is 17.2 mph. I train very hard though!
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Old 04-27-07, 05:36 PM
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You averaged 17.2 mph up a 5 mile, 7% climb? Is this Lance?
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Old 04-27-07, 05:39 PM
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Originally Posted by Cypress
I can average 20+ on most flats given the wind is calm... There is a 26% climb 7 miles from home that drops me to 8 mph.

So, I guess some hills just stop me in my tracks.
I think any 26% grade would stop most in their tracks.
I had to run my bike up a steep dirt hill at a bike race in NY a couple weeks ago. I let my rear wheel spin and had to hop off or go literally backwards. You could say that slowed me down
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Old 04-27-07, 05:40 PM
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Originally Posted by GuitarWizard
You averaged 17.2 mph up a 5 mile, 7% climb? Is this Lance?

Yeah but don't tell anybody! I've been reading bike forum speed posts for so long that I felt comppelled to stretch the truth a bit. Ok, I'm not really Lance!....and yes I'm slow!
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Old 04-27-07, 05:41 PM
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Originally Posted by Cypress
I can average 20+ on most flats given the wind is calm... There is a 26% climb 7 miles from home that drops me to 8 mph.

So, I guess some hills just stop me in my tracks.
I hope it is short. That is over 750 watts!!!!!

Richard
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Old 04-27-07, 05:43 PM
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Originally Posted by Mr. Beanz
Yeah but don't tell anybody! I've been reading bike forum speed posts for so long that I felt comppelled to stretch the truth a bit. Ok, I'm not really Lance!....and yes I'm slow!
Near 600 watts for 17 minutes. I think you did a slight stretch

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Old 04-27-07, 06:30 PM
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Originally Posted by Cypress
I can average 20+ on most flats given the wind is calm... There is a 26% climb 7 miles from home that drops me to 8 mph.

So, I guess some hills just stop me in my tracks.
If you can sustain 8mph on a 26% grade I'll contact Johann Bruneeyl immediately. Disco needs boys like you, particularly since Basso was suspended.
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Old 04-27-07, 06:33 PM
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I'd say I attack the climbs a little more than a lot of people do but they still slow me down. It's kind of a non-issue, really. If hills don't slow you down somewhat you're slacking on the flat stuff.
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Old 04-27-07, 06:38 PM
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I can average 20+ on flats with little wind, 40+ on the hills.




Oh, you mean climbing hills - nevermind.
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Old 04-27-07, 06:45 PM
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ah, heels, I speet at zem!

And zen I throw up on them. Or fail to unclip and fall off of them.

Hills not too bad around West Texas, though that one they have out at Lubbock/Buffalo Springs is pretty brutal, especially for the tri-letes who come here for the Ironman qualifier. Bang, as soon as they are out of the water, they have to get up that hill. Not sure what the grade is, anyone here done it?
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Old 04-27-07, 08:08 PM
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Originally Posted by chipcom
I can average 20+ on flats with little wind, 40+ on the hills.




Oh, you mean climbing hills - nevermind.
Zing!
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Old 04-27-07, 08:08 PM
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For solo riding:

0 to 30ft/mi of climbing, I'm very comfy spinning 22-23mph (not pushing too hard).

Around 50ft/mi, I can avg. 21mph (and have done so over solo metric centuries)

Around 80-90ft/mi, I'm around 19-20ish when pushing, IIRC. That was last year though, and I'm pretty sure I'm more fit now.

This year, 110ft/mi of climbing I've averaged around 19mph. That was way early this year, and I was out of shape. Twas also only about 20 miles of riding, so surely that skewed the avg speed up a bit.

As another reference point, in October I did a solo century with 67ft/mi of climbing, in 5:15 (so like 19mph?).

Edit: Sep08 of last year, I avg'd 20.6mph on this (solo, obviously): https://www.routeslip.com/routes/7402

Okay, that is all.

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Old 04-27-07, 08:17 PM
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Killer P
90 ft elevation over one mile is 1.7% grade. That consider level ground in KY. Am I missing something?
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Old 04-27-07, 08:21 PM
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Originally Posted by Hummeth
How much do hills affect your speed?
A lot...

Gravity sucks...
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Old 04-27-07, 08:22 PM
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Its just a way of measuring the amount of climbing over the length of a ride. For example, the century I did with 67ft/mi of climbing means I climbed 6700ft over the 100 miles. Similarly, 90ft/mi would mean I had climbed 9000ft over the course of 100 miles. Hardly flat.

As a reference to what 95ft/mi of climbing looks like over the course of a century, see this route: https://www.routeslip.com/routes/33627
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Old 04-27-07, 08:37 PM
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Originally Posted by wtex
ah, heels, I speet at zem!

And zen I throw up on them. Or fail to unclip and fall off of them.

Hills not too bad around West Texas, though that one they have out at Lubbock/Buffalo Springs is pretty brutal, especially for the tri-letes who come here for the Ironman qualifier. Bang, as soon as they are out of the water, they have to get up that hill. Not sure what the grade is, anyone here done it?
It's not as bad as climbing out of Palo Duro canyon.
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Old 04-27-07, 08:50 PM
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Originally Posted by SlowSpinner
Killer P
90 ft elevation over one mile is 1.7% grade. That consider level ground in KY. Am I missing something?
Yes you are missing something. That is the average grade. Half of the course if doing a loop would be downhill, so you can double the 1.7% right off the bat. Then subtract any flat areas, and you have the makings of a ride that will get your attention.

KP we have a ride here called 3 mountain madness. It used to be 75 miles, and 7800' of climbing. The record time by a pro rider is 3 hours and 45 minutes. Your pace is below 4 hours, so you might have a shot at the record.

Richard
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Old 04-27-07, 09:09 PM
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There is a place out there without hills??? Where?? I'd love to give it a try since the hills around here never allow me to stay in the same gear for more than a half mile, maybe less.
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Old 04-27-07, 09:28 PM
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Ah, found it:

https://www.buffalospringslaketriathl.../read.php?1,29

The 7.6% grade is the first hill, they start in the transition, which is gradually uphill which then connects to the road and that hill, immediately. Pretty cool when the bikers come zooming down it, saw Dave Scott zip right by a few years ago, that dude was cut!

I've been hoping to do Palo Duro and Caprock Canyon this year (Caprock has some sweet new asphalt laid down, nasty hills too). As much as Palo Duro scares me going up, going down may be worse, some real hairpin stuff there. I wonder if Kool Stops can catch fire?
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