MixedMartialArts.com
Coming back

The
Underground_

For over two decades, The Underground was home to the most passionate martial arts community on the internet. We are bringing it back — re-envisioned, rebuilt from the ground up, integrated with XP Passport, and ready for the next generation of fighters, coaches, participants and fans who live and breathe this sport.

About XP Passport
Status
In build
Underground profiles
270K+
Launching
Soon
Train ·Gather ·Learn ·Coming soon ·Roll ·Chat ·Build ·Progress ·Fight ·Win ·Earn ·Reward ·
01 +A community worth rebuilding

Twenty years of fighters. One home.

The new Underground is built on that foundation. Same spirit. No compromises.

The Underground wasn't just a forum — it was where martial arts lived between the fights. Coaches, participants and fans from every corner of the world made MixedMartialArts.com their home for over two decades. That history matters to us. The community that built it deserves a platform worthy of what they gave this sport.

01Pillar

The community

Member profiles, topic threads, event & fighter details, community activities — reconnecting the global martial arts community, online and off. Every interaction earns XP.

02Pillar

Voices from the mat

Conversations from the people who've dedicated their lives to this sport. The kind of content that never made the highlight reel.

03Pillar

Seminars, gym finder & training content

Access to coaches, training content, event and seminar tickets. The rewards of being part of a community that was here from the beginning.

XP Passport

Get in
early_

Create your XP Passport and we'll bring you in as we open each phase.