Is It Okay To Wash Running Shoes In The Washing Machine What To Avoid

Running shoes endure heavy use, absorbing sweat, dirt, and odor with every mile. Over time, this buildup can degrade materials, compromise cushioning, and create unpleasant smells. Many runners turn to the washing machine as a quick fix, hoping to restore freshness. But is this method truly safe? While tempting, machine-washing running shoes comes with significant risks that could shorten their lifespan or even ruin them entirely. Understanding when and how to clean your footwear properly ensures you maintain performance, comfort, and durability without unintended damage.

The Risks of Machine-Washing Running Shoes

Modern running shoes are engineered with precision—combining lightweight mesh uppers, responsive midsoles, and durable rubber outsoles. These components work together to provide support, breathability, and impact absorption. However, the very features that make them effective also make them vulnerable to harsh cleaning methods like machine washing.

The agitation cycle in a washing machine subjects shoes to intense tumbling and spinning. This mechanical stress can break down adhesives bonding the sole to the upper, deform cushioned midsoles (especially EVA foam), and stretch or tear delicate knit or mesh panels. Additionally, prolonged exposure to water and detergent may weaken internal structural elements such as shanks or heel counters, reducing stability.

Drying poses another hazard. Tossing wet shoes into a dryer accelerates material breakdown due to high heat, leading to warped soles, cracked foams, and shrinkage. Even air-drying near direct heat sources like radiators can cause similar issues.

What Components Are Most at Risk?

Understanding the anatomy of your running shoe helps identify which parts are most vulnerable during improper cleaning.

• Midsole Foam: Materials like EVA or PU degrade faster when saturated and agitated. Repeated exposure leads to loss of bounce and responsiveness.
• Bonded Soles: The glue attaching outsoles can weaken under constant vibration, causing delamination—a common failure after machine washing.
• Upper Fabric: Engineered mesh and knits can stretch, fray, or lose shape when twisted in a drum.
• Insoles and Heel Counters: These often contain molded plastics or foam supports that warp when soaked and dried improperly.
• Laces and Eyelets: Metal eyelets may corrode; laces can tangle and snap during cycles.

Once these components fail, no amount of cleaning will restore function. A shoe might look clean but perform poorly—or worse, increase injury risk due to compromised support.

Safe Alternatives: How to Clean Running Shoes Properly

Cleaning your running shoes by hand preserves integrity while effectively removing grime. Follow this step-by-step process for optimal results:

1. Remove Laces and Insoles: Take out laces and removable insoles. Wash laces separately by soaking in warm, soapy water. Insoles can be gently scrubbed and air-dried away from sunlight.
2. Dry Brush First: Use a soft-bristle brush (like an old toothbrush) to remove loose dirt from the outsole, midsole, and upper. Focus on grooves in the tread where debris accumulates.
3. Prepare Cleaning Solution: Mix mild detergent (such as dish soap) with lukewarm water. Avoid bleach or strong chemicals that can degrade adhesives and dyes.
4. Spot Clean with Cloth: Dip a microfiber cloth into the solution and wring it out well. Gently wipe down the upper, midsole, and sides. For stubborn stains, use light circular motions with the brush.
5. Rinse Without Soaking: Dampen a clean cloth with plain water and wipe off any soap residue. Do not submerge the shoe or run under a hard stream of water.
6. Air-Dry Correctly: Stuff shoes loosely with crumpled paper towels or newspaper to absorb moisture and maintain shape. Place in a well-ventilated area at room temperature, away from direct sunlight or heaters.

This method removes odor-causing bacteria and surface contaminants without compromising structural integrity. It typically takes 12–24 hours for shoes to dry completely—patience prevents mold and material warping.

When You Might Consider Machine Washing (With Caution)

In rare cases—such as heavily soiled trail shoes used in mud or after charity events—machine washing may seem unavoidable. If you proceed, follow strict precautions:

• Use only a front-loading washer (top-loaders with agitators are too harsh).
• Place shoes in a mesh laundry bag or pillowcase to reduce impact.
• Use cold water and a gentle cycle with minimal spin.
• Add towels to balance the load and cushion movement.
• Avoid detergent if possible, or use a small amount of mild formula.
• Never use fabric softener or bleach.

Even then, expect some wear acceleration. This should remain an exception, not routine practice.

“Machine washing disrupts the engineered balance of modern running shoes. While they may survive one cycle, repeated exposure significantly shortens life.” — Dr. Lena Torres, Footwear Biomechanics Researcher, Sports Tech Institute

Do’s and Don’ts: Quick Reference Table

Real Example: A Runner’s Costly Mistake

Jamal, a recreational marathoner, averaged 35 miles per week. After three months, his favorite pair of performance trainers began smelling despite regular airing. Wanting a deep clean, he placed them in the washing machine using a pillowcase and a cold cycle. They came out looking fresh—but within two weeks, the midsole started separating from the upper near the toe box. By week four, the right shoe had completely delaminated along the forefoot, altering his gait and causing shin splints.

He later learned from a specialty running store that the agitation had broken down the adhesive bonds. His shoes, worth $140, were now unusable at just 270 miles—far below their expected 300–500 mile lifespan. A simple hand-cleaning routine would have preserved both hygiene and structural integrity.

Preventative Care Between Cleanings

Maintaining cleanliness doesn’t require frequent washing. Smart daily habits reduce buildup and extend time between cleanings:

• Remove shoes immediately after runs to prevent sweat absorption.
• Loosen laces and pull out insoles to enhance airflow.
• Use odor-absorbing inserts like bamboo charcoal bags or silica gel packs.
• Avoid leaving shoes in hot environments, such as car trunks or near heaters.
• Brush off dirt post-run before particles grind into fibers.

For odor control, sprinkle baking soda inside overnight, then shake out thoroughly. Alternatively, use specialized sneaker sanitizing sprays designed to kill bacteria without damaging materials.

Frequently Asked Questions

Can I wash my running shoes in the dishwasher?

No. Dishwashers use high heat and powerful jets that will almost certainly destroy your shoes. The combination of hot water, detergent, and mechanical force damages glues, foams, and fabrics beyond repair.

How often should I clean my running shoes?

Light surface cleaning every 2–3 weeks is sufficient for most runners. Deep cleaning (removing insoles, scrubbing) should occur every 1–2 months depending on usage and conditions. Trail runners may need more frequent attention.

Are there any running shoes designed to be machine-washed?

Very few, if any, major manufacturers endorse machine washing. Some minimalist or canvas-based models may tolerate it better, but even these suffer long-term degradation. Always check the care label—but assume hand-cleaning is safest unless explicitly stated otherwise.

Final Checklist: Safe Shoe Cleaning Routine

1. Remove laces and insoles
2. Dry brush exterior to remove loose debris
<3>Spot clean with damp cloth and mild soap
3. Scrub insoles and laces separately
4. Rinse cloth and wipe off soap residue
5. Stuff with paper and air-dry indoors
6. Reassemble once fully dry (no dampness inside)
7. Rotate with a second pair to prolong life

Conclusion

While it may be technically possible to wash running shoes in the washing machine, doing so risks irreversible damage to critical performance components. The convenience is outweighed by the likelihood of delamination, foam breakdown, and reduced support. Hand-cleaning is not only safer but also more effective at preserving the engineered qualities that make your shoes comfortable and efficient.

By adopting a consistent, gentle maintenance routine, you protect your investment and ensure each run feels as intended. Whether you're logging daily miles or training for a race, proper shoe care supports both longevity and performance. Treat your running shoes with the same attention you give your training plan—and they’ll carry you farther, longer.