Speed Development
March 15, 20258 min read
The Science Behind Explosive Acceleration in Soccer
Understanding force-velocity relationships and how to train them for maximum sprint performance on the field.
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Performance
Columbus, Ohio · Est. 2024
Engineering Human Performance
Elite soccer performance development powered by sports science, data, and discipline. Based in Columbus, Ohio.
500+
Athletes Trained
MLS
MLS Level
8–35
Ages Served
100%
Data-Driven
/ WHO WE AREBuilt on Discipline, Data & Legacy
LJ Performance is a high-performance training company based in Columbus, Ohio, specializing in elite soccer performance development. Founded by Luis Jeronimo — a professional Strength & Conditioning Coach with MLS-level experience — we combine strength & conditioning, speed development, force-velocity profiling, change of direction training, and advanced sports science technology to develop complete athletes.
MLS-Level Expertise
Founded by Luis Jeronimo, a professional S&C Coach with experience at the MLS level. Every system, every protocol, every standard comes from the highest level of the game.
Advanced Sports Science
We use force plates, timing gates, and velocity-based training (VBT) to deliver data-driven programming. No guesswork — only measurable, repeatable results.
Founder & Head Coach
Luis Jeronimo
500+
Athletes Trained
Non-Profit Initiative
Legado Futures Foundation
Elite Standards.
Expanded Access.
Legado Futures Foundation was born from legacy, responsibility, and reflection. Luis Jeronimo — a first-generation American raised by immigrant parents — built LJ Performance at the highest level. Then came the realization: his father would not have been able to afford the version of him that exists today.
The foundation exists to bridge that gap — ensuring elite standards remain uncompromising while access is expanded. Because talent doesn't lack ability. It lacks access.
Learn About the Foundation“Todo para adelante. Nada para atrás.”
— J. Jesus Jeronimo
/ SERVICESTrain Like a Pro
From youth athletes to professionals — we build explosive, intelligent, resilient competitors through elite-level systems.
01
Online Training
Fully customized remote programming for athletes ages 8–35. Train anywhere with elite-level guidance, video analysis, and weekly check-ins.
- Personalized training program
- Weekly video analysis
- Email & messaging support
- Monthly progress reports
- Access to training library
- Force-velocity profiling
02
In-Person Coaching
Train at our Columbus, Ohio facility with direct coaching from Luis Jeronimo. Private and group sessions available for all levels.
- Private & group sessions
- Force plate assessments
- Timing gate speed testing
- VBT-based strength training
- Change of direction protocols
- Athlete performance reports
03
Club & Team Consulting
Performance consulting for youth clubs, college programs, and professional organizations. Elevate your entire roster with elite systems.
- Team performance assessments
- S&C program design
- Staff education & workshops
- Injury prevention protocols
- Pre-season & in-season planning
- Data reporting & analytics
01
Online Training
Fully customized remote programming for athletes ages 8–35. Train anywhere with elite-level guidance, video analysis, and weekly check-ins.
- Personalized training program
- Weekly video analysis
- Email & messaging support
- Monthly progress reports
- Access to training library
- Force-velocity profiling
02
In-Person Coaching
Train at our Columbus, Ohio facility with direct coaching from Luis Jeronimo. Private and group sessions available for all levels.
- Private & group sessions
- Force plate assessments
- Timing gate speed testing
- VBT-based strength training
- Change of direction protocols
- Athlete performance reports
03
Club & Team Consulting
Performance consulting for youth clubs, college programs, and professional organizations. Elevate your entire roster with elite systems.
- Team performance assessments
- S&C program design
- Staff education & workshops
- Injury prevention protocols
- Pre-season & in-season planning
- Data reporting & analytics
/ GALLERYTraining in Action
Real athletes. Real work. Real results. A look inside LJ Performance training sessions in Columbus, Ohio.
InsightsKnowledge Builds Champions
Science-backed articles on speed, strength, nutrition, and the mental edge that separates good athletes from great ones.
Strength & Conditioning
March 10, 20256 min read
Why Force Plates Are Changing Youth Athlete Development
How objective data from force plates allows coaches to individualize training and prevent injury before it happens.
Read MoreMental Performance
March 5, 20257 min read
Building Resilient Competitors: The Mental Side of Elite Training
Discipline, adversity, and character development — the pillars that separate athletes who reach their ceiling from those who break through it.
Read MoreListenThe Performance Edge
Hosted by Luis Jeronimo. A weekly deep-dive into the science and art of athletic performance — featuring elite athletes, sports scientists, and performance coaches from the highest levels of the game.
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PodcastEP. 12
Force-Velocity Profiling: The Future of Youth Athlete Development
Hosted by Luis Jeronimo. A weekly deep-dive into the science and art of athletic performance — featuring elite athletes, sports scientists, and performance coaches from the highest levels of the game.
48 min
Luis Jeronimo
Available on
Fuerza-VelocidadBiomecánicaCiencia DeportivaRendimiento Élite
UPCOMING EVENTLJ PERFORMANCESUMMIT 2026
A one-day performance summit bringing together coaches, athletes, and parents to learn elite-level training systems, sports science applications, and the mindset behind building complete athletes. Hosted by Luis Jeronimo.
August 2025
Agosto 2026
Columbus, Ohio
Columbus, Ohio
Full Day Event
Evento de Día Completo
VIDEO HIGHLIGHT REEL
SUMMIT 2026
PERFORMANCE
TRAINING
ATHLETES500+
Attendees
20+
Speakers
3
Day Event
Ponentes expertos de nivel profesional
Talleres prácticos con tecnología de punta
Evaluaciones de atletas en vivo
Networking con entrenadores y atletas élite
PRESENTADO POR
LUIS JERONIMO
Fundador & Head Performance Coach
TestimonialsResults Speak Loudest
“
“Luis changed the way I train completely. The data-driven approach and the attention to detail at LJ Performance is unlike anything I've experienced. My speed and explosiveness improved dramatically in just one off-season.”
Carlos M.
College Soccer Athlete — Division I
Verified Athlete
Elite training is not exclusive to elite circumstances. Join LJ Performance and start building the athlete you were meant to be.