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Mike mentzer 4 day program
Intermediate–AdvancedFree

Mike mentzer 4 day program

Unlock your strength with Mike Mentzer's 4-Day Program—transform your physique in just 12 weeks and redefine your limits.

mario E.
mario E.· Nov 2025
9athletes running this program
iOS & Android

Overview

Length
12 weeks
Days / week
4 days
Level
Intermediate, Advanced
Goal
Muscle
Equipment
Full Gym
Session length
30 min
Unlock your potential with the Mike Mentzer 4-Day Program, a meticulously designed 12-week strength training regimen that emphasizes high-intensity workouts for maximum muscle growth. This program features 48 sessions, strategically structured to target all major muscle groups through a variety of compound and isolation exercises, including barbell curls, dips, and squats. Each workout combines supersets and focused rep ranges to ensure you're pushing your limits while promoting recovery. Whether you're a seasoned lifter or just starting out, this program will help you build strength and achieve your fitness goals with confidence.

Who it's for

Athletes at the Intermediate–Advanced level
Athletes focused on building muscle size
Athletes who can train 4 days per week
Athletes with access to a full gym (barbells, dumbbells, cables, and machines)

Muscle engagement

Front
Back
Quadriceps
16.2%
Triceps
15.4%
Hamstrings
11.5%
Chest
10%
Glutes
10%
Calves
7.7%
Front Delts
6.5%
Biceps
5.4%
Lats
3.8%
Abs
3.5%
Lower Back
3.1%
Upper Back
2.3%
Adductors
1.9%
Abductors
1.9%
Forearms
0.8%
Week 1 Workouts
#ExerciseSetsRepsIntensity
Superset
1APec Deck (Machine)16–10 reps@10
1BIncline Bench Press (Barbell)16–10 reps@10
2Romanian Deadlift (Barbell)15–8 reps@10
3Lat Pulldown16–10 reps@10
#ExerciseSetsRepsIntensity
Superset
1ALeg Extension16–10 reps@10
1BLeg Press15–8 reps@10
2Calf Raise (Leg Press)110–20 reps@10
#ExerciseSetsRepsIntensity
1Bicep Curl (Barbell)16–10 reps@10
2Dip (Weighted)15–8 reps@10
3Tricep Pushdown (Cable)16–10 reps@10
4French Press15–8 reps@10
#ExerciseSetsRepsIntensity
Superset
1ALeg Extension16–10 reps@10
1BSquat (Smith Machine)15–10 reps@10
2Calf Raise (Leg Press)110–20 reps@10

Weeks 2–12 are in the app

Download Boostcamp to follow the full program with auto-progression and built-in coaching notes.

Common questions

Yes, Mike mentzer 4 day program is completely free to follow on Boostcamp. Download the app on iOS or Android, find the program, and start your first workout immediately. All 12 weeks are fully unlocked.

This program is built around a full gym. Make sure you have consistent access before starting, since the progression model assumes you can perform the same movements week over week.

Each session typically takes around 30 minutes to complete. That estimate covers your working sets but doesn't account for warm-up or rest between sets, so budget a little extra time when you're first learning the movements.

Mike mentzer 4 day program is structured around 4 training days per week, with rest days built in to allow for recovery. The Boostcamp app lets you reschedule sessions if your week doesn't go to plan.

The program runs for 12 weeks. The structure is designed so that each week builds on the last, with weights, volume, or intensity progressively increasing as you go.

Mike mentzer 4 day program is available inside the Boostcamp app, free on iOS and Android. Once you download the app, you can search for the program by name. The app tracks all your sets and weights automatically, so you always know exactly what to do next session.

Get started

Boostcamp app
11,000+ free programsStrength, hypertrophy, powerlifting and more, from elite coaches. All free.
Auto-progressionWeights and targets update automatically based on how you perform.
Coaching notesBuilt-in cues from the creator inside every workout session.
Progress trackingLog every set and see your strength gains over weeks and months.
Advanced analyticsTrack volume, intensity, and 1RM trends to see exactly how your training is evolving.
Free on iOS & Android