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2026 Prep 4-week mesocycle by Iwo Górski
Intermediate–AdvancedFree

2026 Prep 4-week mesocycle by Iwo Górski

Full Body program used by Iwo Górski during his first natural bodybuilding show prep

Iwo Górski
Iwo Górski· Mar 2026
2athletes running this program
Free on iOS & Android

Overview

Length
4 weeks
Days / week
4 days
Level
Intermediate, Advanced
Goal
Muscle
Equipment
Full Gym
Session length
60 min
Optimisation of training variables while maintaining the training enjoyment

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
Front Delts
13.9%
Upper Back
10.2%
Middle Delts
10.2%
Triceps
10%
Chest
9%
Lats
8.7%
Quadriceps
7.9%
Hamstrings
6.9%
Biceps
5.8%
Glutes
5%
Rear Delts
4.4%
Abs
4.1%
Lower Back
1.6%
Forearms
1.5%
Adductors
0.9%
Week 1 Workouts
#ExerciseSetsRepsLoad
1Incline Bench Press (Dumbbell)39–12 reps@9–10
2Hack Squat33–6 reps@9–10
3Wide Grip Pull-Up312–20 reps@9–10
4Lateral Raise (Cable)39–12 reps@9–10
5Helms Row39–12 reps@9–10
6Hanging Leg Raise1AMRAP@10
#ExerciseSetsRepsLoad
1Bench Press (Dumbbell)13–6 reps@9–10
19–12 reps@9–10
2Romanian Deadlift (Barbell)23–6 reps@8
3Bench Press (Close Grip)29–12 reps@9–10
4Lateral Raise (Dumbbell)312–20 reps@9–10
#ExerciseSetsRepsLoad
Superset
1AIncline Curl (Dumbbell)39–12 reps@9–10
1BOverhead Tricep Extension (Cable)39–12 reps@9–10
2Lying Leg Curl29–12 reps@9–10
3Chest Fly (Machine)29–12 reps@9–10
#ExerciseSetsRepsLoad
1High Bar Squat (Barbell)23–6 reps@8
2Pull-Up (Neutral Grip, Weighted)33–6 reps@9–10
3Leg Extension39–12 reps@9–10
Superset
4ASeated Cable Flye39–12 reps@9–10
4BLying Lateral Raise (Cable)39–12 reps@9–10
5Cable Crunch112–20 reps@9–10

Weeks 2–4 are in the app

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

Common questions

Yes, 2026 Prep 4-week mesocycle by Iwo Górski is completely free to follow on Boostcamp. Download the app on iOS or Android, find the program, and start your first workout immediately. All 4 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.

2026 Prep 4-week mesocycle by Iwo Górski 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 4 weeks. The structure is designed so that each week builds on the last, with weights, volume, or intensity progressively increasing as you go.

2026 Prep 4-week mesocycle by Iwo Górski 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

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