Advertise on Bikeforums.net



User Tag List

Results 1 to 21 of 21
  1. #1
    Never fear the hills... psuaero's Avatar
    Join Date
    Jul 2005
    Location
    Maryland
    My Bikes
    2011 Giant TCR Advanced, 2010 Motobecane Fantom Cross Pro, 2011 Redline Monocog Flight 29r
    Posts
    872
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)

    Talking about sprint speeds?

    All this talk of sprints in the "Race 2 Replace" thread has me curious...

    What is a good amateur sprint speed at the end of a race? I've clocked in at 32.5mph on flat ground solo with no wind and I thought "damn, I suck... no way I'm going to try the crits yet". Is 32.5mph really that bad? I figure I could probably squeak another 1-1.5mph out if I had some insentive or adrenalin pumping in a race situation but by myself about 32mph is all I'm good for.
    2011 Giant TCR Advanced
    2011 Redline Monocog Flight 29r
    2010 Motobecane Fantom Cross Pro
    2005 Scattante CFR

  2. #2
    Announcer EventServices's Avatar
    Join Date
    Jan 2005
    Location
    In the drops.
    My Bikes
    Too many and not enough
    Posts
    4,994
    Mentioned
    3 Post(s)
    Tagged
    0 Thread(s)
    Apples and oranges.

    The speed you can reach on a training sprint isn't a true indication of what you'd reach in a real race.

    A lot of variables to consider, but IMO the biggest difference is motivation.
    People will point to the effects of drafting, and I'll agree that those are dramatic, but it's all about what you WANT.

    Race speeds in general are usually higher than people realize.

    If you could accurately record your next race, I'd bet my house that your sprint speed is a bit higher.
    Unfortunately, you can't accurately record your sprint speed, so my house isn't going anywhere.

  3. #3
    pan y agua merlinextraligh's Avatar
    Join Date
    Aug 2005
    Location
    Jacksonville
    My Bikes
    Wilier Zero 7; Merlin Extralight; Co-Motion Robusta; Schwinn Paramount; Motobecane Phantom Cross; Cervelo P2; Motebecane Ti Fly 29er
    Posts
    27,291
    Mentioned
    10 Post(s)
    Tagged
    0 Thread(s)
    That's about me, plus or minus a mph. And while I'm far from a great sprinter at 47 years old, I definitely go substantially faster than that in a field sprint in races or group training rides. 10-20 or more people hammering, and the motivation of competition is probably worth close to 5mph.

    One thing you have to consider doing it yourself, you only have about 10-15 seconds of top explosive power. Riding by yourself, you're using a lot of that to get up to 30 or so. If you're sitting in the draft getting towed to 30, you still have some burst to accelrate from there.

  4. #4
    Meow! my58vw's Avatar
    Join Date
    Sep 2004
    Location
    Riverside, California
    My Bikes
    Trek 2100 Road Bike, Full DA10, Cervelo P2K TT bike, Full DA10, Giant Boulder Steel Commuter
    Posts
    6,025
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    ^^^ +2

    Your best indication of sprint speed to to draft off a moto or car at 30 MPH or so then sprint from there... other factors include overall muscle fatigue at the end of a race, multicular endurance, raw power, etc... it is really hard to tell unless you were there. I used to be able to sprint to 33 aprox MPH solo, in a race I saw 36 MPH... when I raced. Of course after a 45 minute + crit for example, you might not have the leg strength to sprint at 36 MPH...

    BTW what does a pro/1/2 really sprint at?
    Just your average club rider... :)

  5. #5
    Dirt-riding heretic DrPete's Avatar
    Join Date
    Aug 2005
    Location
    Gig Harbor, WA
    My Bikes
    Lynskey R230/Red, Blue Triad SL/Red, Cannondale Scalpel 3/X9
    Posts
    17,416
    Mentioned
    2 Post(s)
    Tagged
    1 Thread(s)
    Being the guy who always gets stuck in the leadout in my local training races, I should take credit for increasing the maximum sprint speeds of my fellow racers.
    "Unless he was racing there was no way he could match my speed."

  6. #6
    Theodore Roosevelt's idol TheKillerPenguin's Avatar
    Join Date
    Sep 2004
    Location
    Vagabond
    My Bikes
    Affirmative
    Posts
    9,002
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by my58vw
    BTW what does a pro/1/2 really sprint at?
    Depends on the rider and the course. One of my teammates is a cat2 and we trade off taking townline sprints when we train. I marshalled a crit on sunday, and it looked like the leaders in the pro/1/2 race were going wayyyy above 40 when they crossed the line...but it was a very slightly downhill finish and there was a leadout.
    Masochism is a training adaptation.

  7. #7
    Racing iS my Training Pizza Man's Avatar
    Join Date
    Sep 2005
    Location
    San Francisco
    My Bikes
    07 Bianchi San Jose, 08 Tarmac SL2, 05 Cervelo P3
    Posts
    1,263
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    32.5 is the best I've done solo, flat road, no wind.
    But on the same road I was pacing behind a guy on a high powered electric bike doing 30 and I was able to get up to 38.
    I'm definitely not one of the fastest sprinters when I race, but have done well in sprints when I time it just right.

  8. #8
    Senior Member
    Join Date
    Mar 2004
    Posts
    5,361
    Mentioned
    4 Post(s)
    Tagged
    1 Thread(s)
    Quote Originally Posted by my58vw

    BTW what does a pro/1/2 really sprint at?

    no leadout, solo, flat road, someone like cippo, about 42-45mph on a good day

    with leadout and flat road on a good day almost 50mph

    contrast with someone like Armstrong who's lucky to hit 34mph or so
    ************************
    here's a stat that will blow some people's minds, the flying mile record is like 37 mph and change

    me personally, best Ive ever seen in last 2 years is about 39mph, but last week I did 6 back to back efforts solo that put me at 38mph on a track bike, but all I do all day at work is sprint, 5 years ago I couldnt even hit 30mph

  9. #9
    Senior Member
    Join Date
    Mar 2004
    Posts
    5,361
    Mentioned
    4 Post(s)
    Tagged
    1 Thread(s)
    Quote Originally Posted by merlinextraligh
    One thing you have to consider doing it yourself, you only have about 10-15 seconds of top explosive power.........
    more than that, and for some people quite a bit more

    some people like me for example dont accelerate super fast or have a huge jump but instead have a long long windup with a decent top end, others get to their top ends very quickly, and alot of that depends on what your HR is before you do the sprint and how close you are to LT to begin with

    it can take me about oh I dunno, about 2 blocks to get wound out, thats about 1/3rd of a mile, thats on a single geared bike running a 52/16

  10. #10
    hehe... member thatguy's Avatar
    Join Date
    Dec 2005
    Location
    Pittsburgh, PA
    Posts
    665
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by psuaero
    All this talk of sprints in the "Race 2 Replace" thread has me curious...
    Wait, you mean not everything on BikeForums is true?!

    But seriously, 33mph is nothing to be embarrased about. It's still pretty dang fast for a bicycle. We'd all like to go faster. Just keep working at it.

  11. #11
    Senior Member Mojo GoGo's Avatar
    Join Date
    Jul 2004
    Location
    Honeoye Falls, NY
    My Bikes
    Specialized Allez, Madone 5.2
    Posts
    581
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    I'm a Cat 5 and top out around 38-41 mph on a relatively flat finish and a bit faster on downhills. Having said that I never the lead out as I can't time trial and would blow up without a draft.

    Knowing this, those around me tend to crank up the pace in an attempt to drop me before the line (TT'ing along at 28-30) or repeatedly attack. If I can hang via wheel sucking I can win, if not 32 would be more than fast enough to beat me. I guess what I'm trying to say is 32 won't prevent you from winning races, it just means you'll need to use different tactics.
    Ciao,
    Mojo GoGo

    For too long have we sat under the thumb of mankind.
    Now is the time to OPPOSE that thumb!


    I'm not fat, I'm a sprinter!

  12. #12
    Gios my baby hiromian's Avatar
    Join Date
    Dec 2005
    My Bikes
    Gios 96, Mercier 72, Peugeot 74 X 2, Sears full suspension High rise banana seat, Kona 94, CCM Rambler 70s.
    Posts
    1,135
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    At my local cat 5 crit, my max speed reading on my computer says 57.6 KM per hour. That is my best flat ground sprint speed fully motivated no draft. I need 60 Km / hour to win me thinks.
    Last edited by hiromian; 08-16-06 at 12:44 PM.
    "Aiyah...Oh no"

  13. #13
    Announcer EventServices's Avatar
    Join Date
    Jan 2005
    Location
    In the drops.
    My Bikes
    Too many and not enough
    Posts
    4,994
    Mentioned
    3 Post(s)
    Tagged
    0 Thread(s)
    Your max speed might have come on a downhill section, or an accelleration out of a corner. You have no way of knowing.

    Sure, it would be handy to know that you CAN go 36mph on your own. That would provide you with confidence in a sprint.
    HOWEVER, read this scenario (which I've seen too many times to keep track):
    A guy trains for races and regularly sprints at 35mph.
    Great. That's pretty fast.
    But in a big race with a lot of riders, he happens to look down at his computer and sees 42mph.
    He's not used to going that fast, so he wigs out. He backs off.
    Had he not looked, he wouldn't have ever known.

    In conclusion: in a race situation, it's not about numbers. It's about the leading edge of your front wheel, and the leading edge of the rider next to you.

  14. #14
    Senior Member
    Join Date
    Feb 2006
    Location
    Kalifornia
    My Bikes
    '07 Excalibur, '08 Anthem 1, and some others
    Posts
    287
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Olympic caliber trackies sprint on the road at ~44-45mph, just as a reference point.

  15. #15
    I'm fine. Cromulent's Avatar
    Join Date
    May 2005
    Location
    Milwaukee
    My Bikes
    Specialized Allez Sport, IRO Rob Roy
    Posts
    2,263
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by EventServices
    But in a big race with a lot of riders, he happens to look down at his computer and sees 42mph. He's not used to going that fast, so he wigs out. He backs off. Had he not looked, he wouldn't have ever known.
    +1

    I hate looking at my computer during races. My legs tell my brain that they're not supposed to be working that hard and my brain starts to agree.

    The scary part is that there is a guy at the front who is driving the group at that speed. I hate that guy. I want to be that guy.

  16. #16
    Senior Member
    Join Date
    Aug 2005
    Posts
    1,616
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by EventServices
    ....But in a big race with a lot of riders, he happens to look down at his computer and sees 42mph.
    He's not used to going that fast, so he wigs out. He backs off.
    Had he not looked, he wouldn't have ever known.
    How true. It's like those cartoons where the character runs off the cliff and stands suspended in mid-air. It's not until he looks down and realizes there's nothing holding him up, that he plummets to the ground.

    Been there. Done that.

    Bob

  17. #17
    Slow'n'Aero DrWJODonnell's Avatar
    Join Date
    Feb 2006
    Location
    Driving the pace in the crosswind
    Posts
    2,599
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    You guys are "real men." I do all of my analysis at home. I never know what I did at a race other than perhaps average power and time (at the end when I look at my watch). I always check my sprint speeds at home from the safety of my computer desk. I can't imagine trying to figure my speed during a sprint.

  18. #18
    Senior Member Snicklefritz's Avatar
    Join Date
    Mar 2005
    Location
    In the middle of horse country, in The Garden State
    Posts
    3,112
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by DrWJODonnell
    You guys are "real men." I do all of my analysis at home. I never know what I did at a race other than perhaps average power and time (at the end when I look at my watch). I always check my sprint speeds at home from the safety of my computer desk. I can't imagine trying to figure my speed during a sprint.
    Is this only for crits/rr's? Do you look at your data when you are TT'ing, to keep on a steady pace?

  19. #19
    Slow'n'Aero DrWJODonnell's Avatar
    Join Date
    Feb 2006
    Location
    Driving the pace in the crosswind
    Posts
    2,599
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    During a sprint I never look at my data. Just before a sprint I will make sure my cadence is up at 120 or higher so that I can get a good 140+ cadence after I have shifted a few times.

    During my TTs I keep an eye on my HR and keep it at or above LT at all times. Sometimes I view the time or distance so that I can ramp up my pacing for the last two to three miles. Next season I might try power pacing, but for now I know that when my legs are screaming and my HR is where it is supposed to be, the power follows.

  20. #20
    Senior Member?
    Join Date
    Oct 2005
    Location
    Denver
    My Bikes
    orbea onix, Cervelo SLC, Specialzed Allez, Cervelo P3 Alu
    Posts
    1,975
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by Cromulent
    The scary part is that there is a guy at the front who is driving the group at that speed. I hate that guy. I want to be that guy.

    methinks that guy hates you too

  21. #21
    Raptor Custom Bicycles ZXiMan's Avatar
    Join Date
    Sep 2005
    Location
    Texas
    My Bikes
    Raptor Bicycles... Fully custom carbon bikes... just the way you want them!
    Posts
    1,436
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    I can hit about 34-35 mph riding solo... but when drafting and accelerating out of a draft, I've hit 37 mph... I would consider myself to be a pretty good "amateur" sprinter, in comparison with the people I ride with. Our club rides are chalk full of Cat 2 and 3 racers... I'm a Cat 4. In hindsite, I suck at climbing long steep climbs..heh

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •