How to Prevent Athlete's Foot in the Gym or Locker Room
How to Prevent Athlete's Foot in the Gym or Locker Room
By Sylke Bommel · Updated August 2026 · 7 min read
Key Takeaways
- Communal showers are one of the strongest predisposing factors for fungal foot infections, cited in roughly 50.5% of cases in one clinical study of tinea pedis.
- Athletes in occlusive footwear face markedly higher risk, one study found athlete's foot in over 24% of male marathon runners.
- Fungus spreads mainly through direct contact with contaminated floors and shared items like towels, socks, and shoes.
- Wearing sandals in showers and locker rooms is one of the single most effective, evidence-backed prevention habits.
- Disinfecting gym shoes and gear regularly, alongside good hygiene habits, meaningfully lowers your overall exposure risk.
Why Are Gyms and Locker Rooms High-Risk for Athlete's Foot?
Gyms and locker rooms are high-risk environments because they combine warm, damp surfaces with a steady flow of bare feet, exactly the conditions fungus needs to spread from person to person.
A clinical study of fungal foot infections found that frequenting communal showers was one of the main predisposing factors, present in roughly 50.5% of confirmed cases. Similar communal settings, gyms, swimming pools, and locker rooms, are consistently identified as high-risk environments in the clinical literature on tinea pedis.
This risk is not hypothetical, athletes in particular show notably elevated infection rates, with one study finding athlete's foot in over 24% of male marathon runners, largely tied to occlusive footwear and communal facility use.
How Does Fungus Actually Spread in These Spaces?
Fungus spreads mainly through direct contact with contaminated floors and surfaces, and indirectly through shared fomites like towels, socks, and footwear.
Walking barefoot on shower or locker room floors puts skin in direct contact with fungal organisms shed by previous users, while sharing a towel, pair of socks, or shoes can transfer fungus even without direct floor contact. Because these environments see continuous foot traffic and rarely stay completely dry, fungus has an ongoing supply of both moisture and new hosts.
None of this means gyms are inherently unsafe to use, it simply means the environment itself does not protect you, the prevention habits you bring to it are what actually matter.
What's the Single Most Effective Prevention Habit?
Wearing sandals or flip-flops in showers, locker rooms, and pool decks is consistently identified as one of the most effective, evidence-backed ways to reduce your risk.
This single habit directly interrupts the most common route of infection, direct skin contact with a contaminated floor, without requiring any other changes to your routine. It costs almost nothing in effort and is far more effective than trying to compensate afterward with washing alone, since prevention beats treatment when it comes to fungal exposure.
Making this a genuine habit, rather than something you only remember occasionally, is what actually moves the needle on your real-world risk.
High-Risk vs Low-Risk Gym Habits
The table below contrasts habits that raise fungal exposure risk with lower-risk alternatives.
| Higher Risk | Lower Risk |
|---|---|
| Walking barefoot in showers or locker rooms | Wearing sandals on communal wet floors |
| Sharing towels, socks, or shoes | Using only your own gear |
| Wearing the same damp shoes every session | Rotating and disinfecting gym shoes regularly |
None of these lower-risk habits require special products or extra time, they are simply small, consistent choices repeated every gym visit.
How Can You Protect Your Shoes and Gear?
Your gym shoes and gear bag can themselves become a source of reinfection if fungus builds up inside them over repeated use.
Rotate between at least two pairs of athletic shoes so each pair has time to fully dry between sessions, since fungus thrives in shoes that stay damp overnight. Moisture-wicking socks, changed immediately after your workout, keep feet drier throughout your session and afterward.
Regularly disinfecting your gym shoes, using a product like Imperial Feet's Anti-Fungal Shoe Disinfectant Spray, targets fungal buildup inside the shoe itself, working alongside shower sandals and hygiene habits rather than replacing them.
What If You Already Have Athlete's Foot?
If you already have athlete's foot, treating it promptly and consistently matters both for your own recovery and for reducing the chance of spreading it to others in shared spaces.
Continue wearing shower sandals during treatment, since active infections shed fungal material that can contaminate communal surfaces just as easily as an untreated case. Disinfect the shoes you have been wearing, since fungus can persist inside them and reinfect your feet even after the skin itself has cleared.
If symptoms have not improved after a couple of weeks of consistent over-the-counter treatment, it is worth seeing a doctor rather than continuing to self-treat indefinitely.
50.5%
Frequenting communal showers was identified as a main predisposing factor in roughly 50.5% of confirmed tinea pedis cases in a clinical study of fungal foot infections.
Gym and Locker Room Prevention Checklist
- ✓Wear sandals or flip-flops in showers and locker rooms
- ✓Dry feet thoroughly, especially between the toes, before dressing
- ✓Wear moisture-wicking socks and change them right after your workout
- ✓Never share towels, socks, or shoes
- ✓Disinfect gym shoes regularly and rotate between at least two pairs
⚠️ Note: if you have diabetes or reduced sensation in your feet, be especially diligent about communal facility hygiene, and have any foot changes evaluated by a podiatrist promptly.
Anti-Fungal Shoe Disinfectant Spray
Anti-Fungal Shoe Disinfectant Spray targets fungal buildup inside gym shoes, working alongside shower sandals and hygiene habits as part of a complete prevention routine.
View Anti-Fungal Shoe Disinfectant SprayFrequently Asked Questions
Why are gym showers and locker rooms a common source of athlete's foot?
These spaces combine constant bare-foot traffic with warm, damp surfaces, exactly the conditions fungus needs to spread. A clinical study found communal shower use was a predisposing factor in about half of confirmed tinea pedis cases.
Do shower sandals actually help prevent athlete's foot?
Yes, wearing sandals in showers and locker rooms directly interrupts the most common route of infection, direct skin contact with a contaminated floor, and is considered one of the most effective prevention habits.
Can athlete's foot spread through shared gym equipment or mats?
It's less common than direct floor contact or shared towels and shoes, but fungus can survive on surfaces and potentially transfer through shared mats or equipment, particularly if bare feet are involved. Wiping down equipment and avoiding bare feet on shared mats reduces this risk.
How often should I disinfect my gym shoes?
Regular use, such as after each workout or a few times a week depending on how often you train, helps keep fungal buildup from establishing itself inside the shoe, especially if you sweat heavily during workouts.
What should I do if I think I picked up athlete's foot at the gym?
Start consistent antifungal treatment promptly, continue wearing shower sandals to avoid spreading it further, and disinfect the shoes you have been wearing. See a doctor if symptoms have not improved after two weeks of consistent treatment.
Clinical Sources
- Nigam PK, Syed HA, Saleh D. Tinea Pedis. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023. NBK470421.
- Toukabri N, Dhieb C, El Euch D, Rouissi M, Mokni M, Sadfi-Zouaoui N. Prevalence, Etiology, and Risk Factors of Tinea Pedis and Tinea Unguium in Tunisia. Can J Infect Dis Med Microbiol. 2017;2017:6835725.
- Auger P, Marquis G, Joly J, Blackburn D, Chagnon M, Jasmin P, Lortie L. Epidemiology of tinea pedis in marathon runners. Mycoses. 1993;36(1-2):35-41.
- DermNet NZ. Tinea pedis. dermnetnz.org/topics/tinea-pedis
Related Reading
Owner, Imperial Feet — Third-Generation Foot Care
Sylke Bommel is the owner and third-generation leader of Imperial Feet, the Dutch professional foot care brand her grandfather founded in 2001. Raised in Aruba and based in Haarlem, just outside Amsterdam, she has led the brand's international expansion for over a decade, growing Imperial Feet from a single Dutch distributor to a professional range used by pedicurists, podiatrists, and pharmacies in more than 20 countries, including the United States.
Editorial note: Sylke writes from the perspective of a foot care brand owner and formulator, not a medical practitioner. Content is educational and does not replace individual medical advice from a qualified foot care professional.
Disclaimer: This article is for informational purposes only and does not replace individual medical advice from a qualified foot care professional. If you have diabetes, poor circulation, or a persistent infection, consult a podiatrist before self-treating.
