Ruth Thompson 2016-11-02T22:04:30+00:00

Ruth Thompson

Ruth is the first woman to receive a black belt at International Self Defense. She began training at ISD at the age of 10 because it looked fun. She quickly discovered the advantages that come from being a skilled martial artist and took every opportunity to learn from the rich history and traditions ISD has inherited.

In addition to training with the Mechlings, she was able to meet and learn from many of the masters and grandmasters who influenced the style and training techniques of ISD.

After growing up in the dojo, Ruth tested and refined her skills by training and competing with elite level competitors around the world. She has competed in Judo, Submission Grappling, Muay Thai, Karate, and Tai Chi. She has been an instructor at ISD since 2009.

• California Regional Judo Champion
• Silver and Bronze Medalist- PJU Junior Pan-American Judo Championships
• Competed in more than 40 Judo and submission grappling tournaments at an intermediate or advanced level
• Fought 3x in Theppasit Stadium in Pattaya, Thailand
• 3x Pan-American Submission Grappling Champion
• Bronze Medalist in Tai Chi Push Hands at the Martial Arts Olympics in St. Petersburg, Russia
• Visited and trained at CAMBO-70 in Moscow
• Trained with Italian Olympic Team and the Maddaloni family
• Trained with the number one Japanese collegiate judo team.

Next MMA Event

04/10 | 615 BROADWAY, SAN DIEGO, CA
FIGHT NIGHT AT PARQ
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The ISD system works on each of the three Martial Arts everyday; I don’t think that I would be able to compete at the level I do now without it.

Jake Hesselgrave

When I come in to training in the ISD system I know that I will be receiving instruction and working out with other students that are just as good as any school anywhere else or even better.

Tizoc Uribe

In joining, I have been able to train and fight Muay Thai and Judo directly in Thailand and Japan, enter numerous competitions, and sharpen every aspect of myself as a martial artist; all this in a little over a year.

Kent Yoshimura

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