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Justjumari @UCx3xVjCINDW_YuSnjqZCpFA@youtube.com

43K subscribers - no pronouns :c

I help athletes run faster & jump higher. Hey, I am Justin


03:58
This 100% Gets You Faster
08:03
How Often Should You Lift To Sprint Faster?
06:47
How To Run Faster Using The "Secret" Technique
09:04
5 Mistakes To Avoid If You Want To Sprint Faster
15:57
The Only Video You Need To Sprint Faster In 2025
05:24
How To ACTUALLY Get Explosive (Based On Science)
04:26
The ONLY 3 Plyometrics You NEED For Speed & Acceleration
06:59
This Is Why You Can’t Sprint Faster
06:51
How Kalen Walker RUNS So FAST
10:01
You Can't Get Faster Without This 1 Thing
09:41
How To Train Strength For Speed (Full Guide)
06:48
How To Sprint Faster In Just 4 Steps
06:16
5 Minutes to Fix Your Sprinting Form
08:02
How To Sprint Faster WITHOUT Sprinting (New Strategy)
04:06
The Worst Sprinting Drill Everyone Does (Avoid This)
06:45
How Is Asafa Powell So Fast?
07:45
The Most Important Muscle To Sprint Faster
05:32
How To RUN FASTER In 2025: Train LESS
01:11
The BEST Way Transform Your Speed In 2025
07:03
Transform Your Speed By Doing THIS In 2025
06:19
3 Things To STOP Doing To SPRINT FASTER In 2025
04:12
The ONLY 3 Drills You Need To Sprint Faster
08:12
The 3 ONLY Plyometrics You Need For Better Speed
13:15
The Science Behind Usain Bolt's Training
03:26
SPRINT FASTER With This PROVEN Technique
07:59
The ONLY 3 Plyometrics Every Athlete Should Do!
06:16
Sprint Faster with LESS Effort by Fixing This Simple Mistake
04:17
2 MUST-DO Exercises For EXPLOSIVE Hamstrings
07:07
The ONLY 3 Strength Exercises Every Athlete Needs
56:26
The Perfect 7 Day Program To Sprint Faster
10:49
How To Train For EXPLOSIVE SPEED & POWER - Full Guide
18:48
NFL Prospect Travis Hunter Workout For SPEED & POWER
06:59
You Are NOT Lean Enough To Be Fast
05:46
DO THIS To Increase Your SPEED & ENDURANCE
06:31
The MOST IMPORTANT Muscles To Sprint Faster (Proven By Science)
08:40
Pro Athlete Trainer Explains Noah Lyles Olympic Gold Race
48:43
How To GET FASTER: Acceleration Full Guide
09:33
How This Florida Sprinter Runs So Fast
15:57
The Simplest Method To Get FASTER
03:23
How To Build Ankles, Feet & Tendons For SPEED
07:00
How Is She So Fast? (Kelly Matthews Speed Workout)
05:36
These 2 Calf Exercises Will Help You Run Faster
13:43
How To Run Faster (Usain Bolts Full Workout)
04:57
The Best Workout For MAX Speed
06:18
How To Sprint Faster In Only 5 Minutes
32:42
The BEST Workout To Sprint FASTER
18:41
You Will Sprint Faster With This Workout! WARNING: Fast Results!
08:26
The 3 MUST DO Drills To Sprint Faster
07:20
The High Schooler Who Broke 10 Seconds - FULL WORKOUT
08:06
How To Jump Higher With THIS NBA Workout
04:12
3 Exercises To Improve SPEED & POWER
11:29
The NFL Player Who Ran 4.40s - Full Speed Workout
03:26
Sprint Faster INSTANTLY With THIS Technique
13:28
What ANY ATHLETE can learn from Noah Lyles
05:01
3 BEST Leg Exercises For Explosive Power
02:06
The JustJump Academy - Improve Your Vertical Jump By 4-9 Inches
16:09
Sprint Coach Reacts To AWFUL TikTok Speed Workouts
07:42
4 Easy Steps To Jump Higher NOW
04:47
The ONLY 3 Plyometric Exercises Athletes NEED
05:52
3 Bodyweight Exercises To Get More Explosive