How does your cycling shoe size compare to your running shoe size

Forum guidelines BT super discount
General Discussion Triathlon Talk » How does your cycling shoe size compare to your running shoe size Rss Feed  
Moderators: k9car363, alicefoeller Reply
2010-08-14 10:33 PM

User image

Subject: How does your cycling shoe size compare to your running shoe size
I'm in the market for some tri cycling shoes and have read a lot about how cycling shoes should have a very snug fit.  And it's not uncommon for your cycling shoe to be 1-2 full sizes smaller than your everyday or running shoes.

So how about it BT...what's your cycling shoe size compared to your running shoe size.  I assume if you go sockless, that may be a .5 size difference.

I wear a size 9 running shoe...rarely I'll find a 8.5 that gives me enough toe room.  My first road cycling shoes were specialized size 42...but I think I bought too big (even with socks).  I just tried on some shimano tri shoes (TR-51) and I size 40 (size 7-7.5 US equivalent) fit pretty snug sockless.

Edited by tri808 2010-08-14 10:35 PM

2010-08-14 10:41 PM
in reply to: #3044170

User image

Master
2538
200050025
Albuquerque
Subject: RE: How does your cycling shoe size compare to your running shoe size
I've got Mizuno running shoes, size 9.5. 

My Specialized MTB shoes (wear on my road bike) are a 10.

Not sure if that helps or not, but that's what I've got. 
2010-08-14 11:39 PM
in reply to: #3044170

User image

Veteran
274
1001002525
State College, PA
Subject: RE: How does your cycling shoe size compare to your running shoe size
I'm 9.5 street shoe, size 9 specialized roady shoe. (Haven't upgraded to Tri specific shoes yet)
2010-08-15 5:06 AM
in reply to: #3044176

User image

Champion
7233
5000200010010025
Subject: RE: How does your cycling shoe size compare to your running shoe size
in most brand running shoes i'm a 10, my tri and any other bike shoes i have worn are 44 or 43 depending on the brand.
2010-08-15 5:34 AM
in reply to: #3044170

User image

Melon Presser
52116
50005000500050005000500050005000500050002000100
Subject: RE: How does your cycling shoe size compare to your running shoe size
Cycling shoes (SIDI in Mega width) are 43.5. Running shoes are MEN'S 9-10 depending on width. Currently in Asics 9.5 2E.

I think a lot of sizing is foot shape/width dependent ... of course the brands vary wildly, too.
2010-08-15 6:27 AM
in reply to: #3044170

User image

Master
2491
2000100100100100252525
Subject: RE: How does your cycling shoe size compare to your running shoe size
All of my shoes are 14.

2010-08-15 6:56 AM
in reply to: #3044170

User image

Payson, AZ
Subject: RE: How does your cycling shoe size compare to your running shoe size
Personally I would ignore that advise on snug shoes.  I learnt that too and unlearnt it quickly.  Your feet act the same on a bike and will expand and swell.  So, if you start with snug shoes just thing of how lovely they will feel after a few hours on the bike.  Only shoes I buy snug now are my rock climbing shoes. 
2010-08-15 7:04 AM
in reply to: #3044170

User image

Champion
19812
50005000500020002000500100100100
MA
Subject: RE: How does your cycling shoe size compare to your running shoe size
I wear men's 7.5 running shoes, and men's 40s in bike shoes. If you wear 9 running shoe I can't imagine you wearing same size bike shoe I do.

Having to tight bike shoes is a recipe for hot spots and lots of foot discomfort on longer or warmer rides.

My advice is go later in the day or evening to the biggest bike shop around you that carries lots of brands of bike shoes and try a bunch on with different thickness of socks or without. Fit is so variable by your foot shape and how the shoes are designed.

I got custom cycling orthotics and it changed how my bike shoes fit.
2010-08-15 7:21 AM
in reply to: #3044170

User image

Elite
7783
50002000500100100252525
PEI, Canada
Subject: RE: How does your cycling shoe size compare to your running shoe size
It seems to vary a lot across manufacturers.  I wear a 10.5 running shoe (Asics) and a 45 Shimano for the bike.  But according to the size chart for Specialized shoes, I think I would take a 42 or 43?  I haven't actually tried one on to know but if you have any way of actually trying a particular brand for size, I would strongly recommend it and don't assume it will be the same for another brand.
2010-08-15 7:25 AM
in reply to: #3044170

User image

Resident Curmudgeon
25290
50005000500050005000100100252525
The Road Back
Gold member
Subject: RE: How does your cycling shoe size compare to your running shoe size
It's not so much that your cycling shoes should be a size or two smaller than your street shoes but that your running shoes should be a half to a full size bigger  than your street shoes.

Size 10 running shoes, size 9 street shoes, and size 43 (US 9) cycling shoes.
2010-08-15 5:19 PM
in reply to: #3044170

Master
1728
100050010010025
portland, or
Subject: RE: How does your cycling shoe size compare to your running shoe size
Running shoes = 14
Dress shoes = 13
Road Bike shoes = 48 (~13) - always wear socks with these
Tri Bike shoes = 47 (~12) - never wear socks with these

The critical aspect of fitting a bike shoe is that your foot doesn't move around inside them and you don't have any heel slip.

scott

2010-08-16 6:58 AM
in reply to: #3044170

User image

Expert
1074
10002525
Tyrone, Georgia
Subject: RE: How does your cycling shoe size compare to your running shoe size
I wear Asics and Brooks running shoes, size 14.

My Bontrager HiLo tri shoes are size 46.

I go sockless always on the bike, mostly in my running shoes as well for training.  Always have gone sockless during races.
2010-08-16 7:24 AM
in reply to: #3044170

User image

Elite
4235
2000200010010025
Spring, TX
Subject: RE: How does your cycling shoe size compare to your running shoe size

Run shoe = Size 10

Bike Shoe = Size 9 1/2

I like my cycling shoes to be tight.  I've tried a 10 on my most recent shoe and regretted it...

2010-08-16 8:18 AM
in reply to: #3044170

User image

Master
2426
200010010010010025
Central Indiana
Subject: RE: How does your cycling shoe size compare to your running shoe size
Running shoes 11 (US)

Cycling shoes- consistently 45 Sidi or Shimano.  In my experience other companies' cycling shoes can vary +/- full size depending on the shoe style.
2010-08-16 8:29 AM
in reply to: #3044170

User image

Champion
7036
5000200025
Sarasota, FL
Subject: RE: How does your cycling shoe size compare to your running shoe size

I've got a wide foot and usualy need to go at least a size bigger with my bike shoes for a comfortable fit.  I've also seen a big difference beween brands, for example Addidas tend to run narrow.

Mark

2010-08-16 8:53 AM
in reply to: #3044257

User image

Pro
4824
20002000500100100100
Houston
Subject: RE: How does your cycling shoe size compare to your running shoe size
newbz - 2010-08-15 5:06 AM in most brand running shoes i'm a 10, my tri and any other bike shoes i have worn are 44 or 43 depending on the brand.


This is me too, 10 in women's my cycling shoes are 43, I like them a little roomy so my feet don't fall asleep or get too hot, I can move my toes around.

2010-08-16 1:08 PM
in reply to: #3044170

User image

Pro
4578
20002000500252525
Vancouver, BC
Subject: RE: How does your cycling shoe size compare to your running shoe size

I don't have much choice, but I'd wear the same size if I could. My running shoes are usually 5.5 and my cycling shoes are 36, which I think is equivalent to a 6. I've never found size 35 cycling shoes, so I wear a 36.

ETA: I always wear socks in both though (unless I forget them. )



Edited by jeng 2010-08-16 1:09 PM
New Thread
General Discussion Triathlon Talk » How does your cycling shoe size compare to your running shoe size Rss Feed