7 Best Running Shoes for Flat Feet 2026

Step into a cloud-like sanctuary engineered for flat feet that crave both luxurious cushioning and unwavering stability—the Brooks Glycerin GTS 22 delivers a masterclass in supportive long-distance comfort. With its DNA Tuned midsole featuring dual-density foam cells, this shoe offers plush heel landings and snappy forefoot propulsion, while the GuideRails support system actively curbs excessive inward rolling—perfect for overpronators who need structure without stiffness. It’s a high-mileage haven, thoughtfully designed to eliminate joint strain and deliver fatigue-defying transitions from mile one to twenty.

In real-world testing across pavement, treadmills, and light trails, the Glycerin GTS 22 shines brightest during long runs and recovery jogs, where its broad base and soft platform absorb impact like few others. The double jacquard knit upper stretches smartly with foot expansion, offering a secure-yet-giving fit ideal for swelling during extended wear—great for runners with wider forefeet or those needing diabetic-friendly footwear. However, the generous cushioning comes with a slight trade-off: it’s not built for speedwork or tempo efforts, where a firmer, more responsive shoe would outperform.

When stacked against the Adrenaline GTS 25, the Glycerin GTS 22 trades a bit of agility for indulgent softness, making it the go-to for endurance over efficiency. It’s best suited for serious distance runners with flat feet who prioritize joint protection and smooth transitions over nimble handling. While the Beast GTS 24 offers heavier-duty support, the Glycerin GTS 22 strikes a sweeter balance between cushion depth and daily usability—making it a top-tier choice for those who want maximum comfort without sacrificing stability.

Meet the gold standard of all-around support—the Brooks Adrenaline GTS 25 redefines what a daily trainer should be for runners with flat feet who demand consistent stability and plush responsiveness. At its core, the nitrogen-infused DNA LOFT v3 cushioning delivers a cloud-soft yet energized ride, rebounding with purpose mile after mile, while the GuideRails holistic support system gently reins in overpronation without over-correcting. This is a shoe that moves with you, not against you—ideal for those transitioning from injury or logging high weekly volume on hard surfaces.

On pavement and treadmills, the Adrenaline GTS 25 proves its mettle with effortless heel-to-toe transitions and a secure, breathable fit thanks to its flat-knit collar and engineered mesh upper. The wider toe box accommodates natural splay, reducing hot spots on long walks or runs—making it a favorite among both runners and brisk walkers. While it doesn’t match the ultra-plush depth of the Glycerin GTS 22, it’s lighter and more dynamic, excelling in moderate-paced efforts and daily training. However, it’s not built for racing or aggressive interval sessions, where a more performance-tuned shoe would be better suited.

Compared to the Adrenaline GTS 24, the 25 brings refined cushioning and improved upper comfort, justifying its position as the best overall in the lineup. It outperforms the budget-focused New Balance 520 v9 in support and longevity, while avoiding the weight penalty of the Beast GTS 24. For flat-footed runners seeking a do-it-all workhorse that balances softness, structure, and versatility, this is the most complete package available—offering smarter engineering and superior daily durability without overcomplication.

Don’t sleep on the last-gen gem—the Brooks Adrenaline GTS 24 remains a value-packed powerhouse for flat-footed runners who want proven stability and premium cushioning without paying full price. It’s built on the same GuideRails holistic support system as its newer siblings, delivering trusted motion control for overpronators, while the nitrogen-infused DNA Loft v3 midsole offers a soft, springy ride that stands up to daily abuse. This is the kind of shoe that earns loyalty, combining long-term durability with all-day comfort for training, commuting, or weekend walks.

In real-world use, the GTS 24 handles moderate mileage and mixed terrain with confidence, thanks to its engineered air mesh upper that balances stretch and structure. The newly designed outsole promotes fluid transitions, reducing fatigue on hard surfaces—making it a reliable pick for daily trainers or cross-training. While it lacks the minor refinements of the GTS 25’s upper, like the flat-knit collar, the performance difference is negligible for most runners. It’s also slightly firmer than the Glycerin GTS 22, trading some plushness for better responsiveness in tempo runs.

Positioned as the best value upgrade, the GTS 24 delivers 95% of the GTS 25’s tech at a smarter cost, making it ideal for runners who don’t need the latest bells and whistles. It outclasses budget options like the Under Armour Charged Assert 10 in support and midsole quality, while being lighter than the Beast GTS 24. For flat-footed athletes looking for a dependable, cushioned support shoe that won’t break the bank, the GTS 24 remains a wise, future-proof investment—balancing performance, protection, and price like few others.

For flat-footed runners who need maximum armor against overpronation, the Brooks Beast GTS 24 is nothing short of a support fortress—a shoe engineered for those who demand uncompromising stability and joint protection. Packed with nitrogen-infused DNA LOFT v3 cushioning, it delivers plush, long-lasting comfort without bottoming out, even under heavier strides or extended walking sessions. The linear last construction and GuideRails system work in tandem to lock down heel motion and guide feet along a natural path, making it a top pick for severe overpronators or larger runners seeking a reliable, high-mileage shield.

In real-world testing, the Beast GTS 24 excels on long walks, recovery runs, and upright training, where its roomy, secure fit and durable underfoot protection shine. The engineered upper provides a soft, lockdown feel that prevents slippage without constricting—perfect for swelling during all-day wear. However, its bulky profile and weight make it less ideal for speed or agility drills, where a lighter shoe would offer better responsiveness. It’s also overkill for neutral runners or those with mild pronation, who’d benefit more from a less rigid platform.

When compared to the Adrenaline GTS 25, the Beast GTS 24 trades maneuverability for maximum support, making it the go-to for serious stability needs rather than daily versatility. It outperforms the New Balance 520 v9 in motion control and cushion longevity, but at the cost of agility and breathability. For runners with extreme overpronation or high body weight, this is the most protective option in the Brooks lineup—offering unmatched structure and durability for those who need it most.

If your flat feet still crave barely-there softness with a whisper of support, the Brooks Glycerin 22 is the pinnacle of neutral cushioning—a shoe so plush it feels like running on suspended air. While not designed for aggressive overpronation, its DNA Tuned midsole uses dual-cell foam technology—larger cells in the heel for cloud-like landings, smaller ones up front for crisp toe-offs—delivering a ride that’s both sumptuous and surprisingly responsive. The broad platform and double jacquard knit upper offer passive stability and flexible breathability, making it ideal for flat-footed runners with mild pronation or those using orthotics.

On long runs and easy miles, the Glycerin 22 soaks up pavement punishment with ease, turning concrete into cushion with every stride. Its wide fit option is a game-changer for those with broader feet, preventing pressure points without sacrificing structure. However, it lacks active motion control, so runners with moderate to severe overpronation will need the GTS version for proper alignment. It’s also not built for speed—its softness can feel spongy during tempo efforts, where a firmer midsole would provide better feedback.

Compared to the Glycerin GTS 22, this model sacrifices GuideRails for pure cushion indulgence, making it better for neutral or orthotic-assisted runners who want maximum plushness. It outperforms the Under Armour Charged Assert 10 in cushion depth and ride quality, but doesn’t offer the same support as the Adrenaline GTS 25. For flat-footed runners who wear custom insoles or have mild arch collapse, the Glycerin 22 is the ultimate comfort-first choice—offering luxurious padding and a roomy fit without compromising on transition smoothness.

For flat-footed runners who want a lean, no-frills daily trainer, the Under Armour Charged Assert 10 steps up as a lightweight workhorse that balances affordability, breathability, and reliable cushioning. Its compression-molded Charged Cushioning midsole delivers a snappy, responsive feel underfoot—more energetic than plush—making it a solid pick for shorter runs, gym sessions, or daily commutes. The X-wide fit is a standout, offering ample room for swelling or orthotics, while the lightweight mesh upper keeps things cool during warm-weather workouts.

In real-world use, the Assert 10 handles 3- to 5-mile runs and cross-training with confidence, thanks to its 10mm offset and durable rubber outsole that resists wear in high-impact zones. It’s nimble enough for ladder drills or cardio circuits, outperforming heavier support shoes in agility. However, it lacks structured arch support or motion control, so flat-footed runners with moderate overpronation may need to pair it with custom insoles for proper alignment. The cushioning also bottoms out on long runs, where more premium foams like DNA LOFT would provide better protection.

When compared to the Brooks Adrenaline GTS 25, the Assert 10 trades support for simplicity and speed, making it better for light-duty use or younger runners with mild flat feet. It’s a clear upgrade over basic sneakers but can’t match the long-term comfort or stability of dedicated support models. For budget-conscious athletes who want a versatile, breathable trainer for light to moderate use, the Charged Assert 10 delivers solid performance and wide-fit accessibility—just don’t expect it to carry you through marathon training.

The New Balance Fresh Foam 520 v9 is the quiet achiever of budget-friendly running, offering surprisingly plush comfort and reliable traction for flat-footed runners who want a no-nonsense, everyday shoe without overspending. Its Fresh Foam midsole delivers a soft, consistent ride that’s ideal for short runs, walks, or light gym work, while the breathable mesh upper keeps feet cool during moderate activity. It’s not packed with high-end tech, but it gets the basics right—secure lacing, durable rubber outsole, and a lightweight feel that makes it easy to wear all day.

In practice, the 520 v9 performs best for casual runners or beginners logging 2- to 4-mile runs on roads or treadmills. It handles light overpronation passively thanks to its moderately wide base, but lacks active stability features like GuideRails—so it’s best paired with orthotics for severe flat feet. The cushioning is softer than the Charged Assert 10 but less responsive, making it better for easy effort than speed. While it won’t impress seasoned marathoners, it’s a dependable entry point for those starting their fitness journey.

Against the Brooks Adrenaline GTS 24, the 520 v9 falls short in support and midsole sophistication, but wins on affordability and simplicity. It’s the kind of shoe you grab for errands, light jogs, or recovery days—not for high-mileage training. For flat-footed runners on a tight budget who still want decent cushioning and breathability, the Fresh Foam 520 v9 is a smart, no-risk starter shoe—delivering essential performance with zero frills.