ABOUT MODERN BOXING SPORTS PERFORMANCE
Family Owned, Family Operated. Serving Riverside & Beyond with Modern Training Modalities.
OUR FOCUS IS TO MOVE BETTER, PERFORM BETTER, AND BE BETTER.
Using modern and up to date training modalities, our mission is to intertwine boxing with sports performance. We created Modern Boxing Sports Performance to give athletes and everyday fitness enthusiasts a structured, sports-science backed sanctuary in Riverside.
"We are not exclusive to just fighters."
The Modern Boxer is not what it was decades ago. You could be the up-and-coming fighter with some fights under your belt, looking to enhance your training. You could be someone aspiring to become a recognized fighter. Lastly, you can be someone with a regular 9-5 looking for an alternative way to exercise.
Either way, you fall into the category of becoming better. Do better, look better, feel better. We take pride in building a tight-knit community where everyone who walks through our doors is treated like family.
Family Owned & Operated
Eager to serve the city of Riverside and surrounding Southern California communities.
FROM AN EMPTY BOOT BARN
TO RIVERSIDE'S BOXING HOME
Brothers Chris & Erickson Aumentado didn't just open a gym — they built one with their own hands. Here's how it started.
Two Brothers. One Dream.
Chris Aumentado (left) and his older brother Erickson Aumentado (right) standing in front of what would become Modern Boxing Sports Performance — then just an empty Boot Barn with a dream and a whole lot of work ahead.
Training Before We Even Opened
Yellow flooring rolled out, dumbbells lined up — already putting in work while most people were still planning.
Nobody Sees This Part
Renovating a building yourself means days like this. Laying floors, hanging drywall, painting walls at 2 AM.
Some Days You Just Lay It Down
This is entrepreneurship without the filter. No glam shots here — just honest exhaustion and the determination to get back up tomorrow.
We Built Our Own Ring. Literally.
When you don't have a contractor budget, you become the contractor. Chris, Erickson, and the team assembled this entire Pro Last boxing ring platform themselves — bolt by bolt, rail by rail. That's the kind of ownership we put into every aspect of MBSP.
"We didn't inherit a gym. We didn't buy a turnkey franchise. We took an empty building, put in the work when nobody was watching, and built something real — together."
— CHRIS & ERICKSON AUMENTADO
Founders & Brothers
Youth & Amateur Champions
We bring our kids to amateur and professional bouts across the country and state, and have won tournaments trophies and belts, to represent MBSP.
Championship Belts Across The Nation
MBSP Team & Champions
Title Belts & Team Celebration
Tournament Victory
Medalists & MBSP Fighters
Ringside Competitors
Gene Lewis Invitational Champion
Champion Belt & Trophy
Championship Belt & 1st Place Trophy
#1 on the Podium
THE MBSP CORE VALUES
1. FAMILY & COMMUNITY
No ego, no intimidation. We support every member from their very first day, whether they're 14 or 55 years old.
2. MODERN METHODOLOGY
Combining sports science, periodization, and proper biomechanics with real boxing fundamentals for maximum safety and physical progress.
3. UNCOMPROMISING QUALITY
Small group focus and dedicated attention so every punch thrown and sprint executed is done with optimal technique.