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5/3/1 Boring But Big-Accessories Included (Custom)
IntermediateFree

5/3/1 Boring But Big-Accessories Included (Custom)

Chris L.
Chris L.· Aug 2025
12athletes running this program
iOS & Android

Overview

Length
3 weeks
Days / week
4 days
Level
Intermediate
Goal
Muscle, Strength
Equipment
Full Gym
Session length
50 min
Get strong and muscular on a time crunch, with somewhat limited equipment.

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
Triceps
16%
Chest
10.7%
Upper Back
10.3%
Glutes
9.6%
Front Delts
9.1%
Lats
8.2%
Quadriceps
7.9%
Middle Delts
7.4%
Abs
5.8%
Lower Back
4.3%
Hamstrings
4%
Biceps
2.8%
Rear Delts
2.5%
Adductors
1.6%
Week 1 Workouts
#ExerciseSetsRepsIntensity
1Bench Press (Barbell)15 reps85%
2Bench Press (Barbell)510 reps50%
3Lat Pulldown510 reps@7
#ExerciseSetsRepsIntensity
1Deadlift (Barbell)15 reps85%
2Hip Thrust (Machine)510 reps@9.5
3Single Arm Row (Dumbbell)510 reps@8.5
4Chin-Up (Weighted)510 reps@8
5Leg Extension510 reps@8
#ExerciseSetsRepsIntensity
1Overhead Press (Barbell)15 reps85%
2Overhead Press (Barbell)510 reps50%
3Dip (Weighted)510 reps@8
4Chin-Up (Weighted)510 reps@8
5Abs Crunch (Weighted)310 reps@8
#ExerciseSetsRepsIntensity
1Squat (Barbell)15 reps85%
2Squat (Barbell)510 reps50%
3Back Extension (Weighted)510 reps@6.5
4Dip (Weighted)510 reps@8
5Lateral Raise (Dumbbell)510 reps@8

Weeks 2–3 are in the app

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

Common questions

Yes, 5/3/1 Boring But Big-Accessories Included (Custom) is completely free to follow on Boostcamp. Download the app on iOS or Android, find the program, and start your first workout immediately. All 3 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 50 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.

5/3/1 Boring But Big-Accessories Included (Custom) 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 3 weeks. The structure is designed so that each week builds on the last, with weights, volume, or intensity progressively increasing as you go.

5/3/1 Boring But Big-Accessories Included (Custom) 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.
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