7 Best Running Shoes for Flat Feet 2026

If you’ve been sidelined by flat feet pain or overpronation, the Brooks Women’s Glycerin GTS 22 is a game-changer—a plush, precision-engineered shield that blends luxurious cushioning with biomechanical intelligence. At its core, the DNA Tuned midsole uses dual-density foam cells: larger ones in the heel absorb impact like a memory foam mattress, while smaller forefoot cells snap back with energy return that feels spring-loaded. Topped with the GuideRails holistic support system, it doesn’t force your foot into alignment—it gently corrals excess motion, making it ideal for runners whose arches collapse under fatigue. This isn’t just a shoe; it’s a stability solution for high-mileage days and long-term joint health.

Out on the pavement, the GTS 22 delivers a cloud-like yet controlled ride, especially on concrete or treadmills where impact matters most. The broad platform base enhances lateral stability, so sharp turns or uneven sidewalks don’t throw off your stride. The double jacquard knit upper breathes well and stretches just enough to accommodate swelling during long runs, though it holds the midfoot firmly—no slippage or heel lift. That said, it’s not the lightest option; at around 9.8 oz, it’s built more for endurance comfort than speedwork. Still, the smooth heel-to-toe transition makes logging double-digit miles feel almost effortless, especially if you’re recovering from plantar fasciitis or shin splints.

Compared to neutral shoes like the Brooks Ghost 17, the GTS 22 trades a bit of agility for targeted structural support, making it a top-tier pick for flat-footed runners who need motion control without stiffness. It outperforms budget models like the New Balance 520 v9 in both cushioning sophistication and long-term durability, though it’s overkill for casual walkers. If you’re looking for a high-mileage stability workhorse that also meets diabetic shoe standards (PDAC A5500 certified), this is it. It offers more refined support than the Adrenaline GTS 24, with the same trusted GuideRails—but with the softer, plusher feel of the Glycerin line.

The Under Armour Charged Assert 10 is a no-frills speed demon built for runners who want to move fast without breaking the bank—delivering a surprisingly lively ride in a featherlight package. Weighing just 9.5 ounces, it’s one of the most agile daily trainers in its class, thanks to a compression-molded Charged Cushioning midsole that offers snappy responsiveness, not marshmallow softness. The 10mm offset encourages a natural heel-to-toe flow, making it ideal for tempo runs or gym circuits where quick transitions matter. If your arches are mildly flat but not severely collapsed, this shoe provides enough flexibility and light cushioning to stay comfortable without overcorrecting.

On test runs, the Assert 10 shines on short to mid-distance road runs (3–8 miles), where its breathable mesh upper keeps feet cool and the solid rubber outsole resists wear in high-impact zones like the heel and big toe. It’s not designed for overpronators needing rigid support, but its neutral platform adapts well to mild flat feet when paired with a good orthotic insole. However, on long runs or hard pavement, the thin cushioning becomes apparent—impact fatigue sets in earlier than in plush models like the Brooks Glycerin. It also lacks structured arch hugging, so runners with significant overpronation may feel instability after mile five.

Stacked against the Brooks Adrenaline GTS 24, the Assert 10 is lighter and more affordable, but sacrifices support and long-term comfort. It’s best for lightweight seekers or beginners logging easy miles, not for those needing motion control or maximal padding. While it doesn’t offer the tech depth of premium models, it outperforms many budget shoes in durability and bounce, making it a solid entry point. For flat-footed runners who value agility over armor, this is a nimble, breathable option—but only with added insoles for serious arch support.

The Brooks Adrenaline GTS 24 is the gold standard for stability runners, especially those with flat feet who demand smart support without sacrificing comfort. At its heart is the nitrogen-infused DNA Loft v3 midsole, which delivers a plush, bouncy ride that somehow remains lightweight—perfect for daily training where fatigue resistance is key. The real hero, though, is the GuideRails holistic support system, which doesn’t just prop up your arches but guides your entire kinetic chain, reducing knee and hip strain caused by overpronation. If you’ve struggled with shin splints or IT band pain, this shoe offers preventative biomechanics in a durable, road-ready package.

In real-world testing, the Adrenaline GTS 24 excels on long runs, treadmill sessions, and mixed terrain jogs, where its engineered air mesh upper breathes well and adapts to foot swell. The newly designed outsole enhances flexibility, allowing for smoother transitions than its predecessor—no more “plodding” sensation at toe-off. It’s not a speedster like the Charged Assert 10, but it’s more agile than older stability models. That said, the cushioning, while soft, isn’t as deep as the Glycerin 22—so if you’re chasing maximum plushness, this leans slightly firmer. Still, for high-mileage logging, it strikes a near-perfect balance between support, durability, and comfort.

Compared to the newer GTS 25, the 24 offers 90% of the performance at likely better value, with nearly identical midsole tech and fit. Against the neutral Ghost 17, it adds critical stability for flat-footed runners without feeling clunky. It’s the ideal middle ground—more cushioned than budget models, more supportive than neutral trainers. If you want one shoe to handle everything from recovery runs to half-marathon training, the Adrenaline GTS 24 delivers consistent, injury-preventive performance with proven long-term reliability.

For flat-footed runners who crave cloud-like comfort without instability, the Brooks Glycerin 22 is a masterclass in balanced cushioning—offering the softest ride in the Brooks lineup while still promoting controlled, smooth transitions. Its DNA Tuned midsole uses a clever dual-cell structure: larger foam chambers in the heel absorb shock like a luxury sedan, while tighter-packed forefoot cells provide a responsive kick for toe-off. Though labeled “neutral,” its broad platform base adds inherent stability, making it surprisingly viable for mild overpronators who prioritize plush landings over rigid support. It’s the kind of shoe that makes long runs feel shorter.

On pavement and treadmills, the Glycerin 22 delivers a smooth, floating sensation, especially on hard surfaces where impact protection is critical. The double jacquard knit upper is both stretchy and supportive, adapting to foot shape without losing structure—ideal for runners with wider feet or swelling. However, without GuideRails or medial posting, severe overpronators may still need orthotics. It’s also one of the heavier models (around 10.1 oz), so it’s not built for tempo days or races. But for easy miles, recovery runs, or walking, its cushioning depth outshines nearly every other shoe in the category.

When compared to the Glycerin GTS 22, the neutral version trades targeted motion control for uninterrupted softness—making it better for those with flexible flat feet who don’t need aggressive correction. Against the Ghost 17, it offers deeper cushioning but less outsole innovation. It’s the top choice for maximum shock absorption, especially for runners with joint pain or plantar fasciitis. If you want a pillowy ride that doesn’t sacrifice stability entirely, the Glycerin 22 is the softest safe harbor for flat feet.

The Brooks Adrenaline GTS 25 isn’t just an update—it’s a refinement of stability done right, raising the bar for flat-footed runners who want premium comfort and smarter support in one sleek package. Building on the GTS 24, it features even more nitrogen-infused DNA Loft v3 cushioning, delivering a lighter, bouncier ride that feels like running on rebounding foam. The GuideRails system remains the star—gently guiding your foot without restricting natural motion—making it ideal for overpronators who hate the “locked-in” feel of traditional stability shoes. Whether you’re logging miles or walking all day, it turns strain into distraction-free momentum.

In real-world use, the GTS 25 shines in all-day wear scenarios, from long trail walks to urban commutes, thanks to its flat-knit collar and engineered mesh upper that hug the ankle without chafing. The redesigned outsole and midsole work in harmony to create seamless transitions, reducing calf fatigue even after 10K+. It’s slightly softer than the GTS 24, but retains excellent durability—no premature compression after weeks of testing. However, like all GTS models, it’s not built for speed: interval training or racing will feel sluggish. And while it fits wide feet well, the upper lacks the adaptive stretch of the Glycerin series.

Next to the GTS 24, the 25 offers incremental but meaningful upgrades—softer cushioning, better fit, and smoother roll-off—justifying an upgrade for loyal fans. Against the New Balance 520 v9, it’s in a different league: more responsive, more protective, more intelligent. It’s the best blend of support and softness for runners who need daily reliability without compromise. If you want the latest in stability tech with proven biomechanical benefits, the GTS 25 is worth the step up from older models.

The Brooks Ghost 17 is the ultimate daily driver for neutral runners—and surprisingly capable for those with mild flat feet who don’t need aggressive correction. It’s not marketed as a stability shoe, but its nitrogen-infused DNA Loft v3 midsole now packs 3mm more foam in the forefoot and 1mm in the heel, creating a softer, more balanced platform that cushions impact without collapsing. The precise flex grooves in the midsole enhance natural toe-off, making it feel snappier than past versions—perfect for maintaining pace on easy days. For flat-footed runners using custom insoles, this shoe becomes a versatile, reliable companion across training, travel, and gym sessions.

On test runs, the Ghost 17 proved exceptionally durable and breathable, thanks to its double jacquard air mesh upper and recycled silica rubber outsole that grips wet pavement without adding weight. It’s carbon neutral certified, a rare win for eco-conscious runners. While it lacks GuideRails, its broad base and heel counter provide passive stability—enough for mild overpronation. However, severe flat feet will still need supplemental arch support. It’s also not as plush as the Glycerin 22, but it’s more agile and versatile—ideal for runners who mix walking, gym work, and running in one shoe.

Compared to the Adrenaline GTS 24, the Ghost 17 trades active stability for neutrality and flexibility, making it better for runners with flexible arches or those using orthotics. Against the Under Armour Assert 10, it’s more cushioned and durable, though slightly heavier. It’s the best all-rounder for daily training, especially if you want one shoe to do it all without sacrificing comfort. For flat-footed runners who value adaptability, it’s a smart, sustainable foundation.

The New Balance Fresh Foam 520 v9 is a budget-savvy sleeper hit—a no-nonsense, durable trainer that delivers surprisingly plush comfort for runners who want solid performance without premium pricing. Its Fresh Foam midsole isn’t as advanced as Brooks’ nitrogen-infused tech, but it offers a consistently soft ride that holds up well over time, making it ideal for beginners or casual joggers with mild flat feet. The lightweight mesh upper breathes adequately, and the rubber outsole provides reliable traction on both roads and tracks—no early wear on high-impact zones. For under $100, it’s a value-packed entry point into supportive running.

In real-world testing, the 520 v9 performs best on short runs (3–5 miles) and daily walks, where its simple lace-up design offers a secure, customizable fit. It lacks the targeted stability features of the Adrenaline GTS 24 or GuideRails tech, so moderate to severe overpronators will likely need orthotics. The cushioning is soft but not dynamic—no energy return like Brooks’ DNA Loft. It also feels slightly less breathable than premium models, with mesh that traps heat on hot days. Still, for weekend runners or gym-goers, it’s a dependable, low-maintenance option that won’t break the bank.

Against the Brooks Ghost 17, it’s clearly a step down in cushioning sophistication and transition smoothness, but it holds its own in durability and basic comfort. Compared to the Under Armour Assert 10, it offers better arch support out of the box, though less responsiveness. It’s the best budget-friendly choice for flat-footed runners who need a simple, sturdy shoe for light activity. If you’re just starting out or don’t run more than a few miles a week, the 520 v9 is a smart, no-gimmick foundation.