Phone: 925-753-1167
Email: [email protected]

D1 & Only Martial Arts Academy
3385 Deer Valley Road
Antioch, CA 94531

Business Hours:
Mon-Thur 4pm-9pm
Friday 4pm-7pm
Saturday 9am-11am
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WE ARE D1 & ONLY MARTIAL ARTS

WE DON’T CREATE WORLD CHAMPIONS. WE DEVELOP LIFE CHAMPIONS!

The mission of D-1 & Only Martial Arts is to cultivate the minds and bodies of our students. We will help shape and nurture their character with the intent of assisting them in becoming confident, competent, disciplined, respectful, healthy, fit, intelligent and successful leaders within our community.

We teach our students to be capable of defending themselves and their loved ones from potentially dangerous encounters. In addition, D 1 & Only Martial Arts encourages academic excellence and works toward creating financially responsible and fiscally astute individuals.

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WHAT WE OFFER

FREE TRIAL

Try a free class and get started with becoming a champion at life.

FREE TRIAL
“Love this place. My son has been going to this school for a little over a year. He loves the school, Sifu Tim, Mrs. Tammy, and their children. The school treats everyone like one big family. Would not go anywhere else. Great instructors and excellent program. Great asset to the community.”
Luna Miller-Parker

MASTER TIM CALVIN

Master Tim is the founder of D1 & Only Martial Arts Academy and the Kajukenbo “Urban Self-Defense System”. Master Tim has trained in the martial arts for 23 years. He has a B.S. degree in Business Management and an MBA in Business Administration WGU (Western Governor’s University).

Prior to becoming a martial arts school owner, Master Tim worked for the Oakland Police Department for two years and for the Novato Police Department for six years. Preceding his employment as a police officer, Master Tim spent six years in the United States Marine Corps as a H.A.W.K. Missile Operator; he served during “Operation Desert Storm.” Master Tim was Honorably Discharged as an E-5 (Sgt.) in 1992.

• 5th Degree Black Belt in Kajukenbo
• 5th Degree Black Belt in Senkotiros Arnis,
• Certified Level II Krav Maga Instructor
• Certified Kickboxing Instructor
• Blue Belt in Brazilian Jiu-Jitsu
• AMAPA-4-Kid’s (2008 – present)
Executive Director and Co-Founder – Non-profit organization dedicated to helping at-risk and underprivileged youth in our communities.

• Kiwanis Club of the Delta-Antioch (2012 – 2014)
Former President-Elect and Board Member

• Antioch Police Activities League (PAL) (2014 – 2016)
Former Board Member and Secretary

• Antioch Chamber of Commerce (2000 – present)
Member

• Men of Merit Award – U.S. Congress (2014)
• Men of Merit Award – California State Senate (2014)
• Men of Merit Award – Contra Costa County Supervisor’s Office (2014)
• Diversity Award – JFK University (2012)

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