08/26/2026
Record-breaking kids jiu jitsu class yesterday 🌸 38 wonderful, brilliant, wild kids on the mats for Tuesday class at 5:15. Come on by and see the magic for yourself 🌟
Underworld BJJ
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Offering quality Brazilian Jiu Jitsu instruction for people of all ages, skills, and learning styles.
08/26/2026
08/23/2026
Huge congratulations to our newest grey and white belt, Dom 🎉🎊🤩 Over the last year, Dom has gone from the type of student to hide behind his dad on the side of the mat just watching classes, to being the type of student who volunteers, unprompted, to demonstrate hand fighting strategies in front of an entire class— unique ideas that he invented, not ones that Coach Aidan and I taught to him. And the more I get to know Dom, the more I see he is equally silly and goofy as he is tough. When he was paired with an older, bigger kid that did a submission on him at an open mat— not knowing that Dom had never experienced a submission ever before— his response wasn’t to cower in fear, it was to tell his dad, “Dude… I have to go learn that move!” That is the type of growth that makes our jobs so rewarding as coaches, and is why we are SO proud to place a grey and white belt on Dom. And the cherry on top? 🍒 Dom's dad, Jon, earned his blue belt earlier this year!! 🩵 Whole family leveling 🆙
08/17/2026
Kids painted their house banners & watched a bit of Disney's Hercules at the gym last Saturday night ⚡️ Underworld BJJ is where it's atttttt!
05/20/2026
Great moment getting to tie a blue belt around Andrew Betz 🎉💙 Betz came in as a formidable wrestler, but has truly become a well-rounded, technical, and resilient grappler. He can kick ass from standing, top, bottom, and everywhere in between, but more than that, is an exemplary human and an incredible addition to the Underworld family. We're lucky to have you, Betz! Congratulations on the blue belt!
05/14/2026
Another surprise belt promotion at Tuesday's comp class! Way to go Kev!! 💪🏼
05/12/2026
Big update from our boy Huey Pierre 🔥🔥🔥 Using jiu jitsu to defend his friends, winning more awards at school... what more can ya ask for?
Would you mess with Huey??
05/03/2026
Over the last few weeks, our Kids BJJ students have been eagerly awaiting the results from the sorting quiz they took to be placed into Houses (heavily inspired by )
Today, they finally learned what the fates had in store for them at our sorting ceremony at Lincoln Park!! Will it be House Ares, the fearsome god of war? 💥 House Artemis, our electrifying goddess of the hunt? 🌙 Or House Athena, the shrewd goddess of wisdom and strategy? 🧠
Students will earn points for their houses in team challenges centered around all the ways martial arts can change kids' lives: resilience, focus, respect, humility, bravery, and more. And we hope that the Houses will bring our community ever closer and create long lasting friendships among all our students. 🩵
04/15/2026
🌟 MEMBER SPOTLIGHT 🌟
Huey has been training jiu jitsu for 5 months now and is one of the funniest, most confident, and all-around incredible kids in our program. He recently won 6 awards of excellence at school and talks about how helped him achieve this amazing accomplishment. So proud of you, Huey!! 🔥
04/04/2026
Expectations vs reality at grappling industries last month 🤪
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810 H Street NE
Washington D.C., DC
20002
Opening Hours
| Monday | 6am - 8pm |
| Tuesday | 6am - 8pm |
| Wednesday | 6am - 8pm |
| Thursday | 6am - 8pm |
| Friday | 6am - 10pm |
| Saturday | 8am - 8pm |
| Sunday | 8am - 8pm |