Strikeback Dynamic Defense Systems

Strikeback Dynamic Defense Systems 458 Daniel Webster Hwy, Unit # 8, Merrimack, NH 03054
603-262-9299
[email protected]
www

Owned and operated by Shihan Bill Spinney & Sensei Lisa Spinney. Strikeback Dynamic Defense Systems is a family free-style Martial Arts studio.

08/03/2026

We are Back!
We are OPEN!
We are Ready !
We are excited to see you tonight at the dojo!!

Just a friendly reminder the dojo will be CLOSED for VACATION, 7/23-8/2!! We will reopen on Monday, August 3rd ☀️😎
07/22/2026

Just a friendly reminder the dojo will be CLOSED for VACATION, 7/23-8/2!! We will reopen on Monday, August 3rd ☀️😎

A HUGE congratulations to those who tested on Saturday!!! Kyoshi and I are so proud of you all 🥋 ❤️We are excited to ann...
07/20/2026

A HUGE congratulations to those who tested on Saturday!!! Kyoshi and I are so proud of you all 🥋 ❤️

We are excited to announce the promotion of 4 new Strikeback black belts , Sensei Jordan, Sensei Hunter, Sensei Nicholas and Sensei Aashi as well as our newest 2nd degree Sensei Mark and 3rd degree Sensei Kristine. You all survived and conquered a long day of testing not to mention the years of training, discipline, perseverance and overcoming your own individual obstacles to achieve your newest rank. You will all be exceptional role models to those who follow in your footsteps!

Achieving a black belt is not the end, it is actually the beginning of a new chapter! Welcome to the next level 🥋

Also, thank you to all the black belts who showed up to support and challenge those testing! You all make us proud and grateful for our amazing Strikeback family ❤️

🥋

Wishing all our Strikeback dads, stepdads and grandpas a very Happy Father’s Day!! Hope you all enjoy your day!
06/21/2026

Wishing all our Strikeback dads, stepdads and grandpas a very Happy Father’s Day!! Hope you all enjoy your day!

Just a friendly reminder, Black Belt class for tonight, 6/12 is cancelled. We will be open for MMA class at 4:15 and you...
06/12/2026

Just a friendly reminder, Black Belt class for tonight, 6/12 is cancelled. We will be open for MMA class at 4:15 and youth beginner class at 5:15pm

Also the dojo will be CLOSED tomorrow,, Saturday, June 13th!

Have a great weekend ☀️😎

05/25/2026
Just a friendly reminder….. the dojo is closed today! Have a great weekend ☀️😎
05/16/2026

Just a friendly reminder….. the dojo is closed today! Have a great weekend ☀️😎

Happy Mother’s Day to all our amazing Strikeback mothers and grandmothers 🩷 💜We hope you enjoy your special day 🩷
05/10/2026

Happy Mother’s Day to all our amazing Strikeback mothers and grandmothers 🩷 💜We hope you enjoy your special day 🩷

Just a friendly reminder, NO SPARRING CLASSES today.
05/02/2026

Just a friendly reminder, NO SPARRING CLASSES today.

A HUGE shoutout to ALL my ladies in strength class!! You rocked it 💪🏻🏋️ I am so proud of each and everyone of you ❤️Toni...
05/01/2026

A HUGE shoutout to ALL my ladies in strength class!! You rocked it 💪🏻🏋️ I am so proud of each and everyone of you ❤️

Tonight you had the courage to step out of your comfort zones and push yourselves beyond what you thought you could do! Let’s keep it going ❤️ 👏👏👏

Address

458 Daniel Webster Highway, Ste 8
Merrimack, NH
03054

Opening Hours

Monday 10am - 8pm
Tuesday 10am - 8pm
Wednesday 9am - 8pm
Thursday 10am - 8pm
Friday 10am - 8pm
Saturday 9am - 12pm

Telephone

+16032629299

Website

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