Directory
This directory is compiled with automated tooling and manual verification.
Errors and gaps may occur. Spotted something wrong or missing? Drop us a line at
sport-data-app@proton.me — we'll fix it.
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Sources & methodology
Listings are compiled from public sources combined with manual research, automated tooling and direct verification. We don't accept paid placements.
Where applicable, we cross-reference the following:
- American Ninja Warrior Nation
- Australia Ninja Games
- Direct gym websites & social media
- European Ninja Championships
- Let's Ninja (Germany)
- Manual on-site research
- National Ninja League (NCL)
- Ninja Guide
- Ninja Series (Poland)
- SPORTUNION Ninja (Austria)
- UNAA — Ultimate Ninja Athlete Association
- World Ninja League (WNL)
Found an error or want to suggest a gym? Drop a line to sport-data-app@proton.me.