Justjumari

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1.1K videos

I help athletes increase speed & explosive strength. Hey, I am Justin Laboy, a S&C Coach who helps athletes run faster and jump higher. I have helped athlete...

Latest Videos

How To Train For Speed & Explosive Strength (Full Workout)

The ONLY 3 Exercises You Need To Sprint Faster

The ONLY 2 Exercises You Need For Faster Start

I Studied 1000 Athletes, This WRECKS Their Speed

Outdated Training Advice That's Killing Your Speed

The 23 MPH Speed Workout (Steal This Routine)

The Most Underrated Muscles For Athletes

6 Most Common Sprint Technique Mistakes

What It REALLY Takes To Run Sub 11 (HARD TRUTH)

The ONLY 2 Exercies You Need For Explosive Strength

EXACTLY How To Sprint Faster With Less Effort

The ONLY 3 Squats You NEED To Sprint Faster

The Best and Worst Exercises for Acceleration (Ranked)

The Exact System To Sprint Faster In 60 Days (Free Program)

How To Time Sprints By Yourself For FREE (With A Phone)

Do You ACTUALLY Need Rest Days To Sprint Faster

3 Steps to Sprint Faster in Acceleration

The Exact System To Build Glutes To Sprint Faster

The ONLY 2 Exercises You NEED For Top Speed

Sprinting Mistakes That WRECK Your Joints (I Wish I Knew Sooner)

The ONLY 2 Exercises You Need For Better Acceleration

I Studied 1,000 Athletes, Heres Why They Are Slow

The MOST IMPORTANT Muscles For Speed (In 2026)

The Exact System I Used To Lose Fat & Sprint Faster

The Exact System To Fix Your Sprinting Form

The ONLY 3 Strength Exercises You NEED To Sprint Faster

The ONLY Drill You Need To Fix Bad Sprint Form

The Speed Academy - Transform Your Speed In 2026

The ONLY 2 Hamstring Exercises You NEED To Sprint Faster

The ONLY 6 Exercises You Need To Sprint Faster