5/3/1 for Hardgainers
This specialized 5/3/1 template will put size on the most stubborn hardgainer. Just add food and effort TM 85%
Overview
Who it's for
Muscle engagement
| # | Exercise | Sets | Reps | Load |
|---|---|---|---|---|
| 1 | Squat (Barbell) | 1 | 5 reps | 65% |
| 1 | 5 reps | 75% | ||
| 2 | Squat (Barbell) | 1 | 5 reps | 85% |
| 3 | Squat (Barbell) | 1 | 20 reps | 65% |
| 4 | Push Accessories | 1 | 50–100 reps | — |
| 5 | Pull Accessories | 1 | 50–100 reps | — |
| 6 | Single Leg / Core Accessories | 1 | 50–100 reps | — |
| # | Exercise | Sets | Reps | Load |
|---|---|---|---|---|
| 1 | Bench Press (Barbell) | 1 | 5 reps | 65% |
| 1 | 5 reps | 75% | ||
| 5 | 5 reps | 85% | ||
| 2 | Push Accessories | 1 | 50–100 reps | — |
| 3 | Pull Accessories | 1 | 50–100 reps | — |
| 4 | Prowler/Air Dyne | 1 | 20–30 min | — |
| # | Exercise | Sets | Reps | Load |
|---|---|---|---|---|
| 1 | Deadlift (Barbell) | 1 | 5 reps | 65% |
| 1 | 5 reps | 75% | ||
| 2 | Deadlift (Barbell) | 1 | 5 reps | 85% |
| 3 | Deadlift (Barbell) | 5 | 5 reps | 65% |
| 4 | Push Accessories | 1 | 50–100 reps | — |
| 5 | Pull Accessories | 1 | 50–100 reps | — |
| 6 | Single Leg / Core Accessories | 1 | 50–100 reps | — |
| # | Exercise | Sets | Reps | Load |
|---|---|---|---|---|
| 1 | Overhead Press (Barbell) | 1 | 5 reps | 65% |
| 1 | 5 reps | 75% | ||
| 1 | 5 reps | 85% | ||
| 2 | Overhead Press (Barbell) | 10 | 5 reps | 65% |
| 3 | Push Accessories | 1 | 50–100 reps | — |
| 4 | Pull Accessories | 1 | 50–100 reps | — |
| 5 | Prowler/Air Dyne | 1 | 20–30 min | — |
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 for Hardgainers 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 garage 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.
5/3/1 for Hardgainers 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 for Hardgainers 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

