Grapple House Littleton Jiu Jitsu

Grapple House Littleton Jiu Jitsu was founded by Boris Null, who leads the academy alongside a team of dedicated coaches including Orlondo Corondo, Gesina Null, Joseph Ortega, Liz Moore, Trevor Moore, Scott Miller, and John Sparks. The gym’s philosophy centers on making every student feel at home on the mats, whether they’re brand new to Brazilian Jiu-Jitsu or have years of experience. Beginners are carefully paired with experienced partners for safe, steady learning, while advanced students are challenged with intensive training and techniques such as leg locks. The class schedule at Grapple House covers both gi and no-gi Brazilian Jiu-Jitsu for adults, with all-levels instruction available throughout the week. Coaches like Orlondo Corondo and Liz Moore bring their expertise to gi classes, while no-gi sessions and open mats provide variety and live training opportunities. The academy also offers kickboxing classes for adults, expanding the skill set available to students interested in striking. Sundays feature a popular open mat that welcomes grapplers from any school, reinforcing the gym’s emphasis on social connection as much as skill development—many members stick around after training to relax and catch up. For younger students, Littleton Grapple House runs kids’ classes in both gi and no-gi formats, divided into age groups for ages 4–6 and 7–14. Co-owner Gesina Null takes a hands-on role in the women’s program, ensuring a welcoming space for women to train and progress. The gym’s location on West Coal Mine Avenue is wheelchair accessible, and drop-ins are welcome for most classes and open mats. At its core, Grapple House is as much about building lifelong friendships as it is about sharpening technique, making it a fixture in the Littleton BJJ scene.

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