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Old 03-02-09, 06:36 PM   #1
ft_critical
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How Fast

No I didn't use the search button.

For a 30-45min Crit in the US, what are the avg speeds in kilometres per hour (kph):

Cat 4
Cat 3
Cat 2

Please don't exaggerate and give me times from your races not making it up based on estimation.

Trying to get an idea of how they compare to Eu, Au races in terms of speed.
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Old 03-02-09, 06:51 PM   #2
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Originally Posted by ft_critical View Post
No I didn't use the search button.

For a 30-45min Crit in the US, what are the avg speeds in kilometres per hour (kph):

Cat 4
Cat 3
Cat 2

Please don't exaggerate and give me times from your races not making it up based on estimation.

Trying to get an idea of how they compare to Eu, Au races in terms of speed.
Just like races in the EU and Oz.

Depends.
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Old 03-02-09, 06:55 PM   #3
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Around here the 4/5 races I do usually end up somewhere around 25 mph, around 40 kph. I'm just a 5, and the 5 only races end up around 23 mph, or 37 kph.
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Old 03-02-09, 07:20 PM   #4
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Avg speeds are for TT's on the track.
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Old 03-02-09, 07:23 PM   #5
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Thanks, my last C grade was 38kph, then up about 2kph per grade, though A is an hour plus.
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Old 03-02-09, 07:26 PM   #6
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Cat 4 crits with "hills" in them average around 25 in SoCal, flatter crits tend to be about 26 mph.
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Old 03-02-09, 07:26 PM   #7
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That depends on a hundred variables. Hill, flat, wind, turns, who feels good and attacks, who feels bad and sits in, etc. I've raced two races in consecutive years that have had a 4mph avg difference. The difference was the guy who blew it up the year before had since upgraded to a 2.

The short answer; it depends.
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Old 03-02-09, 07:44 PM   #8
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No I didn't use the search button.
Better watch out. Raoul is coming for you:

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Old 03-02-09, 07:45 PM   #9
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I did a 4/5 crit that averaged 45 kph once. Many a 5 was hurting.
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Old 03-02-09, 07:46 PM   #10
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Depends on the part of the country. I imagine a road race in Kansas City is very different from one in Denver. 23mph seems to be close here in hilly (but not mountainous) terrain for a cat 4 road race with rollers.
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Old 03-02-09, 08:09 PM   #11
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So for example, the Tour Down Under Prologue Crit was one in 1:09 at a speed of just under 44kph.
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Old 03-02-09, 08:25 PM   #12
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pack psychology, terrain and weather conditions determine the average speed. Average speed should never be used in comparison to the quality of a racer or a group of racers.
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Old 03-02-09, 08:31 PM   #13
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Cat 4 crits with "hills" in them average around 25 in SoCal, flatter crits tend to be about 26 mph.
There are hilly crits in SoCal?
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Old 03-02-09, 09:03 PM   #14
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pack psychology, terrain and weather conditions determine the average speed. Average speed should never be used in comparison to the quality of a racer or a group of racers.
Best said.
I've ridden in races with a low average speed, but the peak speeds shattered the field like Krakatoa. What good is THAT average speed?

They compare to Eu and Oz just fine.
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Old 03-02-09, 09:09 PM   #15
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As others have said, terrain, race dynamics make average speed fairly meaningless.

For example, last week on Saturday the Cat 4 race in the Sanford crit, on a short 6 corner fairly technical course, with a good wind, averaged 24.5mph.

Next day, the Lake Mary Crit on a fast 3 corner course typically averages 27mph or over.
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Old 03-02-09, 09:15 PM   #16
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There are hilly crits in SoCal?
Red Trolley had a good hill in it. Nice power climb every lap....

Anyway, to answer the OP's question, it depends, but here is this year so far.

2/1 Mothballs, Cat 4, 36:50, 26.6 mph
2/1 Mothballs, 30+ 3/4, 43:02, 25.8 mph
2/8 Red Trolley, Cat 4, 37:43, 24.9 mph
2/16 Dinuba, Cat 4/5, 47:37, 24.1 mph (rain)
*2/22 Ontario, 30+ 4/5, ~30 min, ~26.8 mph
*2/22 Ontario, 30+ 1-4, ~40 min, ~29 mph
*2/22 Ontario, Cat 4/5, ~45 min, ~26 mph
3/1 Callville Bay, Cat 4, 26:25, 25.3 mph

I lost my Garmin and have no data for Ontario, so I am going off what I remember from the first race, plus what other people told me for the others.
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Old 03-02-09, 09:25 PM   #17
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Anyway, to answer the OP's question, it depends, but here is this year so far.
Thanks Umd. 40min at (29mph) 46kph - that sounds hard.
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Old 03-02-09, 09:28 PM   #18
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Thanks Umd. 40min at (29mph) 46kph - that sounds hard.
Yes, that was pretty hard. I was near the back for most of that race. The Amgen masters team (Thurlow Rogers) and that level of talent was driving that race.
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Old 03-02-09, 09:37 PM   #19
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Trying to get an idea of how they compare to Eu, Au races in terms of speed.
I dont' think your experience in Australia counts for racing in the U.S. because the Coriolis effect is backwards.
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Old 03-02-09, 09:43 PM   #20
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I dont' think your experience in Australia counts for racing in the U.S. because the Coriolis effect is backwards.
We race counter clockwise here so we're fine, thanks
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Old 03-02-09, 09:48 PM   #21
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The faster crits are often easier, because the slower crits can have harder surges.

I've done 1/2/3 crits at 28mph, and Cat 3 crits around 26 mph. That said, I was in 28mph Cat 4 crit once too, but that was in Colorado, so the speeds are artificially high.
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Old 03-02-09, 10:07 PM   #22
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C to B grade transition is faster drives from the turn and more aggressive attacking even though that translates to only 2kph, apparently. Sorry... my target is B by YE.
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Old 03-02-09, 10:24 PM   #23
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The faster crits are often easier, because the slower crits can have harder surges.

I've done 1/2/3 crits at 28mph, and Cat 3 crits around 26 mph. That said, I was in 28mph Cat 4 crit once too, but that was in Colorado, so the speeds are artificially high.
Is it the elevation or are people there in better shape or what?
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Old 03-03-09, 12:46 AM   #24
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There are hilly crits in SoCal?
La Mirada, Aliso Viejo(that one was ridiculous), San Pedro, and Manhattan Beach has enough "hills" to keep the weaker folks in check. Red/Green Trolley has *A* hill, but it's not really a "hilly" crit. Barrio Logan has 8 corners and is half uphill and half down.

Yes, there are hilly crits - by SoCal standards, anyway.

The fastest course I know of is probably going to be Ontario GP on a still day - 26+ mph (edit) for Cat3.
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Old 03-03-09, 05:50 AM   #25
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Is it the elevation or are people there in better shape or what?
Air density, less effort to travel faster.
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