Awesome Jiu Jitsu Here. Strong No nonsense Jiu Jitsu training and techniques. Highly recommend !read more

My son at 5yrs old said "dad, I want to do Karate". So…read moreafter some research we found Olson's. Truly expected my son would be interested for about 6 months, maybe. 3yrs later and he is on the cusp of getting his black belt and has also started jujitsu. The Olson family and their instructors are nothing short of fantastic! They have helped turn a precocious 5yr old into a focused and disciplined 8yr old. Their curriculum is built around respect, focus, discipline, and courage. Olson's is and will be a large part of our lives. Thank you!

The changes in my son from when he enrolled to today are awesome. He is more focused, not as easily…read moredistracted and motivated. He went from almost being held back in school to receiving an honor roll award 2 days ago. Thank you Olson's for your dedication to our children.

They've trained many skilled fighters and Brazilian Jiu Jitsu competitors. No nonsense training and…read moretechniques. I highly recommend training here if you're in Johnson City.

Great mma family I appreciate his knowledge and encouragement made me feel as if I was at home…read morecoming from a different state this is one of the best gyms here in the city. Stick with it and change sure will happen I have a bad military injury that I don't speak about to much but little by little and starting to do a bit better hopefully soon I will loose those extra pounds and maybe compete once again will see only time will tell. My little girl she is 7 yrs old and she can't wait to go to the gym everyday she's asking are we going today and I'm glad she feels comfortable there just shows the quality of mma coach we have at this gym. He won't sugar coat anything with the kids or adults he will tell it how it is with positive encouragement and I appreciate that. Thank you Casey for your hard work and dedication to your craft Team Oxendine 100%

Truly breath-taking. Something close to garlic breath and toe fungus on the fly. I would…read morerecommend it to anyone who wants to have their tutus melted. I recognized some of the folks in those pictures. Jerome has lost weight, and Walt is wearing shoes...something he usually doesn't do for photos. As for Bill, well, Bill is Bill. Nice folks all.