How Tight Should Running Shoes Be? Running Shoe Fitting Guide (2024)

As runners, our most important piece of equipment is our running shoes, and boy, oh boy, are there a lot of options out there to choose from.

When selecting, the most crucial factor is the fit! I know, I know, we want the ones that look the coolest or match the colors of our favorite running outfits, but it doesn’t always work out that way.

We need to choose running shoes where the fit is perfect.

But how should running shoes fit? How tight should running shoes be? And is it worth going to a running shoe fitting?

If you’re new to running and trying to figure out which first shoes to buy or an experienced runner still on the hunt for the perfect running shoe, let’s see if we can help you find yours.

In this article, we are going to discuss:

  • The importance of the perfect fit…and the consequences of bad fit
  • Components of the perfect running shoe fitting
  • How tight should running shoes
  • 8 tips for buying running shoes

Ready?

Let’s jump in!

How Tight Should Running Shoes Be? Running Shoe Fitting Guide (1)

If the shoe doesn’t fit…

Having the right running shoe fitting is crucial. How many stories have we heard or shared with other runners about black and blue toenails, lost toenails, blisters, hotspots, and foot pain?

Unfortunately, tons and tons.

The number one reason we end up with these awful foot ailments is commonly linked back to the fit of our running shoes. They are consequences of the too tight, too narrow, too loose, too wide, not enough room in the toe box, too much room in the heel running shoes!

We’ll get into the details of each of these fitting components soon, but it’s important to keep in mind that most of these issues can be avoided if the perfect fitting running shoes are found!

There is no one brand or model of running shoes that work for all of us, so we need to know how they should fit and feel on our feet to begin the quest to find the perfect ones.

Let’s take a look at how running shoes should fit:

How Tight Should Running Shoes Be? Running Shoe Fitting Guide (2)

rule number 1: Comfort Comes First

Rule number one when looking for running shoes is that they need to feel very comfortable. It may sound silly to mention this, but many of us end up buying shoes that aren’t that comfortable, to begin with.

This may be tolerable for a day-to-day workwear shoe, but for running, it just won’t do. Your running shoe fit needs to be just right to ensure peak performance.

How Tight Should Running Shoes Be?

You need to find a happy medium with the snugness of your running shoes.

You don’t them to be so tight around your foot that you can’t wiggle your toes. On the other hand, you don’t want them to be so loose that your heel pops out of the back while you run or your foot slides around uncontrollably.

Let’s break down the running shoe fit into its separate components:

How Tight Should Running Shoes Be? Running Shoe Fitting Guide (3)

How Tight Should The Toe Box Be?

In the toe box or the front part of the shoe, you want enough room to be able to wiggle your toes around. However, you don’t want your foot to slide from side to side.

Leave about a thumbnail’s worth of space between the tip of your longest toe and the front of the running shoe. This can vary between ½ an inch to 1 inch of space. The amount of space will depend on a few factors such as your personal preference and the type of terrain you are running in.

When running on the road, shoes can fit a tad snugger than when running on the trails.When trail running, steep downhills push your foot forward against the front of the running shoe, so having a bit of extra room is helpful as your toes won’t get as squished.

However, suppose the trail you are used to is quite technical. In that case, it helps to use the fit of a road running shoe as you want to have complete control over the movement of your feet and have your feet move in sync with your running shoes.

A snugger shoe is also appropriate for training intervals and speed on the road; however, when running long runs and recovery runs, your shoes can fit a bit looser for maximum comfort.

How Tight Should Running Shoes Be? Running Shoe Fitting Guide (4)

Have I convinced you to buy two pairs of running shoes yet? Or even more for those of us who run trail and road? It’s always a good idea to switch up your running shoes anyhow, as it forces you to change your foot strike and breaks up the impact.

Whether you decide to leave ½ an inch or 1 inch in the toe box, be sure the arch of the shoe lines up with the arch of your foot for a comfortable fit.

Related: Pain On the Top of Your Foot? 5 Common Causes + Helpful Tips

How Tight Should The Width Be?

The toe box and overall shoe width will depend on your feet.

If you have bunions or wide feet in general, you’ll need a brand and model that allows enough space for your foot type. After adequately tying the shoes, they should feel very comfortable. This can’t be stressed enough. If you feel your foot is being squished in any way, or there is any discomfort, this is not the size or perhaps model for you.

Never buy shoes that feel too tight in any way. Thinking the shoes will “break in” is a common misconception. Sure, over time, shoes wear out, but that’s over time. By then, you’ll already have suffered from blisters and pain, your shoes will be worn out, and you’ll be ready to buy new ones.

The toe box will be a bit more spacious for those of us with wide feet; however, down the length of the foot, the fit should always feel snug, not tight, comfortable snug so that no sliding occurs.

How Tight Should The Heel Cup Be?

The heel cup or back end of the shoe should cradle your heel enough so it doesn’t pop out when you walk or run, but not so tight that it provokes discomfort in your ankle or on the sides of your heel.

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8 Tips When Buying Running Shoes

#1 Try Them On

In an ideal world, an 8 ½ would be an 8 ½ across the board, all brands and models would follow strict sizing structures, and we could easily order online.

Unfortunately, that is not the case.

Always try on running shoes during a running shoe fitting before buying them, and never blindly order them online.

The only way you are allowed to do so is to have used the same brand and model for years, had success, and that the brand has made no changes to that particular model.

This is a rare case as most of us have yet to find the perfect fitting running shoes; therefore, we continue our quest to find perfection!

#2 Try Them On With Running Socks

Bring your running socks with you when you try on shoes. Your “at the office” socks will not do, and the thickness and feel will vary from your running socks.

How Tight Should Running Shoes Be? Running Shoe Fitting Guide (6)

#3 Shoe Shop In The PM

After walking around all day, our feet tend to swell up. This also happens when we run, so the best time to try on running shoes for the perfect fit is in the afternoon when our feet are at their worst.

#4 Lace Them Up

When trying running shoes on, ensure the lacing is complete. Shoes on display or still in the box are usually not laced up properly. Take the time to lace and tie them correctly. The knot should be loose enough where you can place your finger between the knot and the tongue of the shoe and there is not pain in the instep of the foot.

#5 Walk (Or Run) Around

To ensure the running shoes are actually comfortable, you need to move around. They could feel comfortable sitting or standing still, but you need to know how you feel when you are in motion.

Walking around the store, or jogging if they let you, will give you a better idea of the comfort level and fit of the running shoes.

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#6 Go Big

If you are indecisive and between two sizes, get the bigger one. You’re better off with shoes a bit bigger than too small. You can always wear thicker running socks to compensate.

By taking all of this advice, you will most likely end up with running shoes that are ½ – 1 size larger than your usual day-to-day footwear. This is standard practice for all runners.

#7 Ask For Help

Knowledgeable staff can assist in your running shoe fitting.

They can also lead you in the right direction when choosing a model based on your foot posture. Still, studies show it’s recommended to stick to a neutral shoe unless you have a very severe pronated or supinated posture.

#8 Don’t Rush

Don‘t rush into buying just any running shoes. Go to different stores and try on a variety of brands and models. Take your time when trying them on and ensure a great, comfortable fit.

This decision may make or break your next running goal, so make it carefully.

At the end of this journey, you’ll end up with a pair, or two, or three, of running shoes. But you won’t honestly know if you love them or hate them until you put in the miles. Trial and error is a big part of running in general, and this is just one more piece that you have to work at until you get it right.

How Tight Should Running Shoes Be? Running Shoe Fitting Guide (8)

If you find those perfect running shoes, stick with them, they’re hard to come by.

Check out some of the latest models in our guide to the Best Marathon Running Shoes of 2022 roundup!

How Tight Should Running Shoes Be? Running Shoe Fitting Guide (2024)

FAQs

How tightly should Running shoes fit? ›

A properly fitting running shoe should feel snug in the heel and midfoot, with wiggle room around the toes. While standing, check for proper length and width by pressing your thumb down next to the ball of your foot and around the toes. A good fit should allow for half to a full thumb's width of space.

Is it better for shoes to be slightly tight or loose? ›

Is it better for shoes to be tight or loose? Shoes that are on the tighter side are likely to rub, and since this friction can cause blisters, it's best to have a bit of wiggle room.

Should your running shoes be a little bigger? ›

Make Sure You Have Extra Room For Your Toes.

This means it's wise to have just a little extra room (about a thumb's width) between your longest toe and the front of the shoe. With this in mind, your running shoe should be around a half size larger than the shoe size you usually get.

Should sneakers feel tight at first? ›

Properly fitting sneakers will:

Fit snuggly but not too tight. Provide wiggle room for your toes. Not push into your toenails.

Should you be able to wiggle toes in running shoes? ›

Your toes need wiggle room so that you don't get blisters, calluses or damaged toenails. You should be able to wiggle your toes comfortably in the toe box and if you aren't sure how much room is enough, use the “rule of thumb” when purchasing new shoes.

Is it OK to wear shoes 1 size too big? ›

As we all know, if you wear a shoe that is too tight it will hurt your feet and lead to foot ailments, such as blisters, bunions and calluses. But wearing a shoe that is too big will cause us to walk in an unnatural and dysfunctional way. This can lead to serious foot problems.

Is it okay to wear shoes half a size too big? ›

Christine Luff from verywell.com recommends going up half a shoe size because one's feet swell when they run and it is important to have plenty of room in the toebox. If one's toes are crammed in the front of the running shoe, you could develop blisters or black toenails.

When a shoe is slightly too big? ›

Other painful effects of wearing shoes that are too big include: Corns and calluses: caused by excessive pressure on the toes. Metatarsalgia: caused by too much pressure on the balls of your feet. Disrupted natural stride: resulting in Achilles tendonitis, arch pain, and pain in the calf muscles.

How to properly fit running shoes? ›

Running shoes should be half a size up from your regular shoe (when wearing socks) and feel snug around your heel and midfoot, with room to wiggle your toes. Ideally, you're aiming for about a thumb width of space between the shoe and your big toe. Remember, your feet swell during exercise, so bigger is better.

Does 0.5 shoe size make a difference? ›

Is a Half Size in Shoes a Big Difference? A half-size represents a 1/8” difference. It may not seem significant but is enough to distinguish between comfort and discomfort. Because there is no standardisation for shoe sizing, a half size difference will also depend on the brand of shoe.

Do running shoes loosen up over time? ›

Typically shoes loosen up naturally as you wear them from place to place, but that entire process could take weeks of tiptoeing around with crunched toes and blooming blisters.

Should my toes touch the end of my shoes? ›

As a rule of thumb (or toe), you should have about 3/8″ to 1/2″ of room from the tip of your longest toe to the end of the shoe. Your big toe is not automatically your longest toe. Pick the shoes that match your foot shape.

Are new shoes supposed to feel tight? ›

It's normal for new shoes to feel tight around the toes, rub at the heel and pinch a little bit with every step. Because leather is an organic material and it stretches as it adapts to your feet, every new pair of shoes requires a break-in period.

Will tight shoes break in? ›

Shoes will typically stretch all on their own as you wear them. Leather shoes, whether it be men's dress shoes or women's heels, will fit over time. But if they are too tight and uncomfortable to wear in, try some of these easy hacks to stretch your shoes up to half a size or so to accommodate your feet.

How should toes feel in running shoes? ›

With a proper fit, you should have about a thumbnail's width between your longest toes and the end of the shoes when you stand with all of your weight distributed evenly between both feet. You shouldn't feel any pinching or rubbing on your toes, heels or ankles. The shoes should feel comfortable.

Is it normal for new running shoes to hurt? ›

It's normal for new shoes to require an adjustment period, it is not normal for new shoes to cause more than a slight discomfort to your feet. If you're finding yourself getting excessive blisters or feeling pain as you wear the shoes, it's best to return them for a different style or brand.

Why should you not lift in running shoes? ›

Running shoes can hinder your weightlifting since the thick foam creates a barrier between your foot and the floor, according to Jake Boly, a certified strength and conditioning specialist with a master's degree in sports science.

How much difference is a half shoe size? ›

A half size in shoes is only 1/8 of an inch in added length. Shoes size can vary for many reasons, from sports injuries to weight gain and age. It's not uncommon to go up a half size if your feet or arch height begins to become more flat overtime.

How do you know if your shoes are too narrow? ›

If your toes don't face straight ahead, seem crammed together, or are overlapping each other, it's likely your shoes are too tight. When shoes fit properly, there's space between each toe, and the toes face straight forward, not turned toward either side.

How much room should be in the toe of a sneaker? ›

Stand up and make sure there is 3/8" or 1/2" (about the width of your finger) between your longest toe (usually the second toe) and the end of the shoe. Always stand and walk around in the shoes to see if they are comfortable, fit well, and don't chafe or rub anywhere.

Can I wear shoes half a size small? ›

Half a size smaller could create problems. Not only would they be uncomfortable, they could damage your feet for life! Buying shoes 1/2 size too large should not be a major problem. You could tighten the laces and you would be good to go, with the exception being that that they could cause you to trip and fall.

Should I get shoes a half size bigger? ›

The men's version runs true to size. The women's version runs large. You may want to get a half size smaller than the standard running shoe length.

What happens if you wear undersized shoes? ›

If your shoes are too narrow or short, the extra pressure placed on your toe can lead to the edge of a toenail growing into your skin. Ingrown toenails can cause pain and the skin around your nail to become red or infected. Ingrown toenails are most common on the big toe, but can also occur on other toes.

What size should my running shoes be? ›

Running shoe size is typically a half size larger than your typical shoe size. So, after determining the length and width and your true shoe size, try a running shoe that's about a half size bigger than your standard shoe size.

Do shoes get wider as size increases? ›

Shoe size and shoe width tend to be proportional in standard sizing, so large shoes may run a little wider than necessary if you have long, but narrow feet. However, we'd advise against opting for a larger shoe size, solely for the purpose of getting a wider fit, as this could cause a trip hazard.

How much heel slip is normal running shoes? ›

When your foot bends to take a step in a new shoe, your heels should slip slightly. 1/8” movement is normal but can feel like much more. Loose slipping in the heels will not cause blisters when broken in gradually, but wearing shoes that are too small and tight will cause friction and then blister.

Is it OK to wear tight sneakers? ›

If your shoes are too narrow or short, the extra pressure placed on your toe can lead to the edge of a toenail growing into your skin. Ingrown toenails can cause pain and the skin around your nail to become red or infected. Ingrown toenails are most common on the big toe, but can also occur on other toes.

Will tight sneakers stretch? ›

Use ice to stretch your shoes

Ice can be just as effective as heat for fixing a tight pair of shoes. Partially fill a sandwich bag with water and place it in the area where the shoe is snug. Put the shoe in the freezer. As the water freezes into ice, it'll expand and help stretch the shoe out.

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