8 Mistakes Runners Make When Buying Running Shoes

Even seasoned runners sometimes make these blunders.

Amanda Furrer |

Whether you’re just getting into this whole running thing, or you’ve been doing it your entire life, shoe shopping can be tricky. The technology is constantly changing, there are new advances in foams and other materials every year, and styles change often enough that sticking with one line – or even one brand – doesn’t always make sense. So we asked running shoe experts, Eric Sach, Ken Larscheid, and Carson Caprara, what the most common buying gaffes runners tend to make are when they’re sole searching—and what to do instead.

1. You’re not getting your foot properly measured.

“One of the most common errors beginner runners make when they walk into a shoe store is not getting their foot measured by a store associate,” says Eric Sach, owner of The Balanced Athlete in Washington. At a shoe store, associates use the Brannock device, which measures the heel-to-toe length as well as foot width and arch length. Sach finds that most people ignore arch length, which is measurement from your heel to the ball of your foot, the area where your foot flexes. “All shoes are designed to flex at one spot, just as your foot is designed to flex at one spot,” says Sach. “It’s best to match those two flexing points together.”

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Created by Freepik

2. You’re confusing volume with width.

“Shoe volume is the measurement of the space inside the shoe,” says Sach, who has 27 years of experience. Most people tend to ask for a wider shoe when there’s not enough volume. The trick is to measure the space in between the top eyelets with your fingers.

“When you tie the laces, the shoe should be snug – not too tight and not too loose – and you should have two fingers between the eyelets,” says Sach. Three fingers mean there’s not enough volume and the fit is too tight. One finger is when there’s too much volume and therefore, the fit is too loose. And two fingers – you guessed it – should be just right. Knowing you’re wearing a shoe with the correct volume will save you from common foot injuries, such as the dreaded plantar fasciitis.

3. You’re afraid of increasing your shoe size.

Sach recommends getting your foot measured every time you need a new pair of shoes. On several occasions, he will get customers who find their “normal” shoe size a little too snug before getting their feet measured. “Feet generally don’t get shorter,” says Sach. “The tiny muscles in your feet support your body every day, causing your feet to ‘grow’ because these muscles stretch and don’t come back – unless you run barefoot or perform foot strengthening exercises.”

Consider the difference in sizes between shoes: a half size is only 3mm difference; a whole size is about the width of a shoelace, almost 6mm. “It’s very tiny,” says Sach. “However, all the time, people say they’re going to trip over it.” Going up half a size – or even a full size – will make a world of difference in comfort, but shouldn’t cause your friends to tease you about wearing “clown shoes.”

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Designed by Freepik

4. You give into peer pressure.

According to Sach, the most important elements to consider when buying shoes are the three F’s: fit, feel, and function.

But when people bring along a friend during shoe shopping, sometimes their friends will cloud their judgment by commenting on how the shoe is the wrong colour or they make the wearer’s feet look too big. Even if it feels like they’re walking on air, wearers will usually go with their friends’ opinions and opt out. Sometimes new runners will fall back on what their friend is wearing, as well. But there isn’t one shoe that fits all. While you may value your friend’s advice in the fitting room, when it comes to running shoes, it’s more about feel than looks.

5. You’re using the wrong kind of shoe reviews.

It’s all too easy to believe that “when something works for you, everyone [else] should have the same exact thing,” says Sach. And that is the shoe buyer’s downfall when it comes to relying on crow-sourced shoe reviews.

How familiar is the reviewer with the range of shoes on the market? What type of foot does the reviewer have? Is the reviewer actually a runner? Ask yourself if the review is published by a reliable source: Is it the kind of site that aggregates enough info to help runners choose or are they just telling you what to buy? Lookout for biased reviews, as well, where brands sponsor the writer if they review their product. (The Runner’s World shoe finder tool helps you find the right shoe, with ratings you can trust.)

6. You wear your shoes too long.

Most running shoes have a lifespan of between 500 and 800 kays, but many runners either don’t keep track of mileage. That, or they throw caution to the wind and wear out their pair.

Wearing out shoes can lead to injury. According to Ken Larscheid, owner of Running Lab in Michigan, a tell-tale sign for replacing your pair is when you get unusual aches and pains in certain areas. “A lot of people who come in and feel pain or soreness don’t even question the age of their shoes,” says Larscheid. “What we suggest at the store is overlapping them a little bit.”

RELATED: 5 Common Myths About Running Shoes

Introducing a new pair before your current pair wears out will help you ease into new shoes as you ease out of your old ones. Other indicators to start changing out include worn, smooth grooves at the bottom of your shoes and uneven foam on one side of the shoe, meaning the sole is no longer level.

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Designed by Freepik

7. You’re avoiding specialty stores.

Larscheid says that many beginners are overeager about getting started or are unwilling to spend the money for the best pair. Instead of going to a running shoe store where they can get their foot analysed by experts, new runners tend to buy whatever shoes they see—for cheaper prices—at department stores, or order online.

RELATED: SA’s Best Specialist Running Stores

Gait analysis and identifying specific needs of the wearer – is this shoe for endurance or cross training? – are considerations new runners may overlook if they avoid the specialty store and seek shoes elsewhere.

And although people think they’re saving money, they’re potentially setting themselves up for buying pair after pair of the wrong kind of shoe, and spending more money out of dissatisfaction. At a running store, you’ll have more options and experts at your fingertips. If the shoe fits, think of it as an investment and safeguard against future injuries. Running stores also typically have the varying widths that department stores won’t always carry.

8. You forget that it’s only a tool.

“One mistake runners can make is searching for a shoe as a prescription to help fix how they run or to help them run a certain kind of way,” says Carson Caprara, Brooks Director of Footwear Product Line Management. “Instead, runners should look for the shoe that works best for how their body wants to move and provides them with the experience they want out on the run.” Remember: the power doesn’t lie in the shoe, it lies in you.

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