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4 day bro split
IntermediateFree

4 day bro split

Zach D.
Zach D.· Mar 2025
2athletes running this program
iOS & Android

Overview

Length
12 weeks
Days / week
4 days
Level
Intermediate
Goal
Athletics, Muscle, Strength
Equipment
Full Gym
Session length
60 min
1) Back and Triceps focus 2) Chest and Biceps focus 3) Rest Day 4) Leg Day 5) Dumbbell Only Supersets! 6) Cardio (30 minutes of moderate cardio) 7) Rest Day

Who it's for

Intermediate athletes ready for a structured program
Athletes focused on gaining both size and strength
Athletes who can train 4 days per week
Athletes with access to a full gym (barbells, dumbbells, cables, and machines)

Muscle engagement

Front
Back
Upper Back
12.5%
Front Delts
10.9%
Lats
9.2%
Triceps
9.2%
Quadriceps
8.4%
Biceps
7.9%
Abs
7.9%
Chest
7.6%
Hamstrings
7.6%
Glutes
6.8%
Middle Delts
2.4%
Adductors
2.4%
Lower Back
2.2%
Rear Delts
1.6%
Forearms
1.6%
Abductors
1.6%
Week 1 Workouts
#ExerciseSetsRepsLoad
1T-Bar Row15–10 reps@5
15–10 reps@6
35–10 reps@9
2Lat Pulldown (Close Grip)38–12 reps@9
3Overhead Tricep Extension (Cable)312–15 reps@9
4One Arm Bent Over Row68–12 reps@9
5Dip (Assisted)35–10 reps@9
Superset
6AShrug Cable312–15 reps@10
6BTriceps Kickback (cable)38–12 reps@9
7Reverse Abs Crunch (Bodyweight)310–25 reps@10
#ExerciseSetsRepsLoad
1Bench Press (Dumbbell)14–8 reps@5
14–8 reps@6
34–8 reps@9
2Chest Fly (Cable)38–12 reps@9
3Face Pull312–15 reps@9
4Preacher Curl (EZ Bar)38–12 reps@9
5Shoulder Press Smith machine35–10 reps@10
6Lateral Raise (Machine)312–20 reps@10
7Hammer Curl (Dumbbell)35–10 reps@9
8Decline Crunch310–25 reps@10
#ExerciseSetsRepsLoad
1Trap Bar Deadlift15–10 reps@5
15–10 reps@6
35–10 reps@9
2Hack Squat38–12 reps@9
3Leg Curl312–15 reps@9
4Leg Extension312–15 reps@9
5Hip Abductor (Machine)312–15 reps@9
6Hip Adductor (Machine)312–15 reps@9
#ExerciseSetsRepsLoad
Superset
1ABent Over Row (Dumbbell)38–12 reps@9
1BIncline Bench Press (Dumbbell)38–12 reps@9
Superset
2A21s (Dumbbell)38–12 reps@9
2BFrench Press38–12 reps@9
Superset
3AGoblet Squat38–12 reps@9
3BFront Raise38–12 reps@9
Superset
4AMed Ball Slam330–60 reps@10
4BWeighted Sled330–60 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, 4 day bro split 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 60 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.

4 day bro split 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.

4 day bro split 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
1,000+ 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.
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