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5 Best Running Insoles for Flat Feet to Increase Comfort

Flat feet pounding the pavement? Step up your run with custom insoles for comfort, stability, and pain relief.

Upstep - custom orthotics online
By Upstep Staff
Jovan Mijailovic
Edited by Jovan Mijailovic

Updated February 27, 2024.

A man is running down the street while wearing insoles for flat feet.

Whether to use foot supports for running or not is a common question that comes into the mind of most runners.

Not everyone necessarily needs an insole for running, such as perfectly healthy individuals who have never experienced foot pain or excessive fatigue. However, orthotic insoles don't have to be reserved for those with debilitating conditions and chronic pain.



Our 5 Best Running Insoles for Flat Feet

  1. Best Overall Insoles for Flat Feet: Upstep Running Custom Orthotics
  2. Best for Arch Support: SOLE Performance Medium With Met Pad
  3. Best Running Insoles for Hard Surfaces: Superfeet Pain Relief
  4. Best Running Insoles for Proper Foot Alignment: Protalus M-75
  5. Best Durable Running Insoles: Tread Labs Pace Short


How to Tell if You Need Running Insoles for Flat Feet

To know if you need additional insoles for flat feet or not while running, there are two questions you need to ask yourself:

  1. Do your feet hurt in the arch area while or after running? This could indicate fatigue or a collapsed arch, leading to the pain you experience and reduced running efficiency over longer distances.
  2. Have you noticed that your shoes are worn down on the inner side of the sole? You may have pronation or an inward foot roll while running, resulting in a worn-down sole.

If your answer to either of these questions is a yes, you need a pair of insoles. The insoles will support your foot arch while running, lessening the strain placed on the inner aspect of your foot and preventing an inward roll of your foot or ankle.

But, if the answer to both of these questions is a no, then you might not necessarily need to use insoles while running. Though they might still benefit you, they aren't a necessity.

» Discover why you feel pain in the balls of your feet after running

Best overall insoles for flat feet

1


Outstanding
9.9
Orange and grey Upstep insoles being displayed next to a foot casting
A pair of running shoes on display with a grey and orange insole being placed in one shoe
Hands displaying Upstep custom running orthotics vertically
Vertically displayed Upstep running orthotics in grey and orange next to a foot cast
A pair of Upstep running orthotics displayed vertically, one on a pedestal

Running Custom Orthotics

Custom comfort, every step of the way

Refunds

180-day money-back guarantee


Shipping and returns

Free shipping and returns in the US


Coverage

FSA/HSA eligible


Payment options

Klarna eligible; four interest-free payments

Upstep's custom orthotics are designed to provide you with personalized support and comfort, helping you avoid injuries and improve performance. They use a unique process considering your foot shape, biomechanics, and running style.

These custom orthotics provide the best arch support for runners through cushioning and impact absorption, restoring your normal foot mechanics. These features makes them particularly beneficial for those running with flat feet.

Durable materials

Custom-made from the molds of your feet

FSA/HSA eligible

Temporary discomfort during the break-in period

Custom-made means you wait longer to receive the orthotics

Best for arch support

2


Outstanding
9.7
Performance medium sole
a pair of orange and yellow shoes on a white background
Performance medium soles
Performance medium soles

SOLE Performance Medium

Refunds

90-day guarantee


Shipping and returns

Calculated based on address; free returns


Coverage

Not specified on the website


Payment options

Visa, Mastercard, American Express, and Discover

The SOLE Performance Medium insoles are orthotics designed to provide support and comfort for your feet. They're made with a combination of ReCORK recycled wine corks and Softec cushioning, which makes them sustainable and comfortable.

These running insoles provide effective support for flat feet and have well-cushioned soles that reduce the shock during running activities. But they're not custom-made. Instead, you must heat them to mold them to your foot shape, increasing your risk of an incorrect fit.

Eco-friendly base

Odor control

90-day guarantee

Not custom-made

Heating and molding process can cause an incorrect fit

Best running insoles for hard surfaces

3


Outstanding
9.4
Superfeet insoles
Superfeet insoles
Superfeet insoles
a diagram of a shoe with instructions on how to use it

Superfeet Run Pain Relief Insoles

Refunds

60-day guarantee


Shipping and returns

Calculated based on address; free returns


Coverage

Not specified on the website


Payment options

All major credit and debit cards, apple and google pay

Superfeet Run Pain Relief Insoles provide support, comfort, and pain relief from standard foot issues. The supportive design helps reduce stress on the plantar fascia, a band of tissue that runs along the bottom of your foot.

Superfeet running insoles for flat feet easily fit within an active lifestyle by providing arch support, cushioning, and limiting the impact on your heels while you run. They must be trimmed to fit, so be careful to trim correctly and not compromise the support you need from the insoles.

Removable heel stabilizer

60-day guarantee

Targeted pain relief

Requires trimming that can compromise the support

Not a replacement for custom orthotics

Best running insoles for proper foot alignment

4


Outstanding
9.3
Protalus m75
Protalus m75
Protalus m75
Protalus m75

Protalus M-75 Insoles

Refunds

90-day guarantee


Shipping and returns

Calculated based on address; returns are paid by the buyer


Coverage

FSA/HSA


Payment options

Visa, MasterCard, Discover, American Express, Amazon, and PayPal

The Protalus M75 insoles are an orthotic insole designed to provide support, comfort, and pain relief for your feet. They're known for their patented Tri-Planar technology, which is claimed to help improve alignment and reduce stress on your joints.

They're the best affordable running insoles for high arches. Because they come up higher on the sides—especially the medial— they reduce the pressure on your feet and correct your alignment. But, they're available in limited sizes and reduce your chances of finding the ideal fit.

Anti-slip ridges

Higher sides

90-day money-back guarantee

May not fit all shoes

Takes time to get used to

Best durable running insoles

5


Outstanding
9.1
Tread Labs Pace Insoles
Tread Labs Pace Insoles
a pair of blue slippers on a white background
Tread Labs Pace Insoles

Tread Labs Pace Insoles

Refunds

90-day guarantee


Shipping and returns

Calculated based on address; free returns


Coverage

FSA/HSA


Payment options

All major credit and debit cards

Tread Labs Pace Insoles are extra firm orthotic inserts designed to provide targeted relief from foot pain, particularly for people with plantar fasciitis

They're made from a high-density foam material that is contoured to the shape of your foot and have a built-in arch support to help keep your feet in proper alignment.

These running insoles for flat feet are durable and effective in preventing overpronation, making them helpful in supporting your foot arch. You can choose between four heights to find the best fit, but they will not be as effective as custom insoles.

Medical-grade support

Million-mile guarantee

Durable

Limited flexibility

Bulky



What Is the Best Type of Running Insole for Flat Feet?

Depending on the type of exercise you're engaging in and even the running style, the insoles should be specific to adhere to and meet the demands of those activities.

It's also important to understand that using flat feet insoles for a particular activity like running can't be done with a one-size-fits-all approach. Whether you need harder or softer materials depends on your specific situation and the type of exercise you're doing.

For instance, running inserts for plantar fasciitis would differ from the best running insoles for pronation or supination, regardless of the running intensity—marathons compared to sprints.

Upstep to Comfort: Optimize Training With Custom Running Insoles

With all the benefits of arch support listed above, buying a pair of custom-made insoles that meet your needs and foot shape is highly recommended. Orthotics are supposed to make your daily living and sports more comfortable and pain-free, in addition to reducing the chance of future injuries.

If you want the best support possible, try Upstep Custom Orthotics. The company collaborates with podiatrists and uses evidence-based practices to design their orthotics, ensuring they effectively address common foot issues like pain, discomfort, and misalignment.





FAQ

Can you use your existing insoles in your running shoes?

If your existing insoles fit comfortably into your shoes and don't slide around, you can use them. If you use arch support insoles for flat feet, you'll probably need them for running.

But, an insole specially made for running would be better as the biomechanics of your body change while running, and the insole needs to meet those demands.

Should you change the insoles on your running shoes?

Different pairs of running shoes have different insoles. Some can be removed, and some cannot. If your exercise shoes have removable insoles, then you should remove them and replace them with your new pair of custom or prefabricated ones instead. But, if your exercise shoes don't have removable insoles, it's important to specify this when buying your new insoles to ensure they can still fit comfortably within your shoe.

Do flat feet runners need arch support?

It depends. While arch support can benefit some flat-footed runners, it's not a one-size-fits-all solution. Consider the severity of your conditions, running style, and personal preference before buying running insoles for flat feet.

Why is it harder to run with flat feet?

Flat feet can make running more challenging because the arch acts like a shock absorber, but flat feet lack this, putting more stress on your joints.

Your weight distribution is also altered, increasing pressure on specific areas and potentially causing pain and discomfort.