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At Underworld BJJ, we believe martial arts is about much more than takedowns, submissions, and physical fitness. Every month, our Kids Brazilian Jiu Jitsu (BJJ) program focuses on a character development theme that helps students become stronger leaders, better teammates, and more engaged members of their community. This month's theme was simple, but incredibly powerful: Kindness. To bring that lesson to life, more than 30 local children from our DC martial arts community joi

Underworld BJJ is proud to partner with Friendship Public Charter School to host bi-weekly preschool field trips at our gym on H St NE, in the Capitol Hill area of Washington, DC, giving young students a fun, active, and confidence-building experience through Brazilian Jiu-Jitsu-inspired movement and games. Underworld BJJ Field Trip Coaches pose with the preschool students from Friendship Public Charter School Recently, this partnership was highlighted on ABC News, where Frie

We are addicted to our screens. This isn’t news. This isn’t anything we don’t already know. But it’s a growing problem, and kids today are bearing the brunt of the issue more than any other demographic. In fact, the American Family Survey ( 2025 ) notes that the largest cultural issue facing families today is the prevalence of “social media, video games or other electronic resources.” And the National Library of Medicine ( 2025 ) reports that when adolescents rely on artifici

When kids in our BJJ program earn a their first belt promotion to grey and white belt, it tells me a few things about you. Firstly, it tells me that you have technical BJJ skills. But much more importantly, it tells me that you are committed to a lifelong journey of learning and growing. It tells me you are committed to working hard no matter what the challenge is, that you're committed to showing up as a respectful and kind training partner every day. It tells me that you'r

Underworld BJJ is thrilled to announce the grand opening of its Brazilian Jiu Jitsu gym located at 810 H St. NE, on January 11, 2026, bringing family-friendly fitness, fun, and competitive sports to the H St community. With classes 7 days/ week, Underworld offers an action-packed schedule full of beginner-friendly classes, kids classes, women’s-only classes, competition training, and so much more. Just three weeks after becoming the 2025 Purple belt Jiu Jitsu World Champion,

2025 Purple Belt Adult Rooster Weight No Gi World Champion: winner by all submissions. A short reflection from Coach Danielle: Four and a half years ago, I learned about a thing called Brazilian Jiu Jitsu, and way too early into my white belt career, I declared that I would become a world champion in it. Most people laughed or scoffed, but a small, select group believed in me long before they had any reason to. I wanted to achieve this goal with every fiber of my being. I vi