Train BJJ at MYRIAD Whether you want to try something new or are a seasoned practitioner, we offer classes to suit all levels. Join us and become part of our community. Book your free trial below. Adult Free Trial Teen (12-15) Free Trial Juniors (8-11) Free Trial Little Ones (5-7) Free Trial Start your journey with our Intro Course. Learn basic positions and submissions in 4 weeks, and start training with confidence.