Proving Ground MMA

Proving Ground MMA

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Donate to Support for Melissa After Justin's Passing, organized by Kristen Joaquim 03/04/2026

Melissa is a cherished member of our gym and the jiu-jitsu community. From the day she stepped onto the mats, she has shown unwavering kindness, encouragement, and support for everyone around her. She has made a lasting impact on so many of us, and we are grateful to have her as part of our team.

Recently, Melissa experienced the sudden loss of her husband, Justin. This heartbreaking news has deeply affected all of us, and we want to come together as a community to support her during this incredibly difficult time.

We’ve started a donation effort to help ease the burden of memorial expenses and give Melissa the space and time she needs to grieve and begin healing.

If you are able, please consider contributing through the link attached. Any amount, no matter the size, is truly appreciated. Thank you for helping us support someone who has given so much to our gym and has been such a light within the jiu-jitsu community.

Donate to Support for Melissa After Justin's Passing, organized by Kristen Joaquim On February 24th, 2026, Justin Lambert passed away unexpectedly in a motorc… Kristen Joaquim needs your support for Support for Melissa After Justin's Passing

Photos from Proving Ground MMA's post 01/11/2026

Our newest brown belt - congratulations Mateo!

10/08/2025

We need to find this lil guy a new home......

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Address


12851 W Bell Road Ste 102
Surprise, AZ
85378

Opening Hours

Monday 5pm - 9pm
Tuesday 11am - 9pm
Wednesday 5pm - 9pm
Thursday 5pm - 9pm
Friday 5pm - 8pm
Saturday 11am - 2pm
Sunday 11am - 2pm