By invitation

Claim 12x3 Gym

London, United Kingdom · Claiming is free. Verified owners can correct hours, prices, and contact details — and optionally feature the gym on its city page.

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Iron Passport: Find & Compare Gym Day Passes Worldwide

AI-powered gym rankings for business trips, vacations, and adventures. Find gyms, discover destinations, stamp your passport, and compare the best — wherever you travel.

Features

Gym Finder – Search by destination city and get the top 6 gyms ranked by equipment, cleanliness, amenities, and more.
Destination Discovery – Describe your ideal trip and get destinations ranked by gym quality and destination fit.
Gym Passport – Track, rate, and review every gym you visit while traveling.
Gym Compare – 10 nearby gyms go head-to-head so you can find your favorite.