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Nightmare
IntermediateFree

Nightmare

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Kaleb C.
Kaleb C.· Nov 2025
iOS & Android

Overview

Length
18 weeks
Days / week
4 days
Level
Intermediate
Goal
Muscle
Equipment
Full Gym
Session length
90 min
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Who it's for

Intermediate athletes ready for a structured program
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
11.8%
Triceps
11.8%
Hamstrings
10.7%
Upper Back
10.1%
Chest
9.5%
Biceps
8.9%
Lats
8.3%
Middle Delts
7.7%
Abs
5.9%
Glutes
4.7%
Rear Delts
2.4%
Forearms
2.4%
Quadriceps
2.4%
Adductors
2.4%
Lower Back
1.2%
Week 1 Workouts
#ExerciseSetsRepsIntensity
1Lateral Raise (Machine)26–10 reps@10
2Chest Press (Machine)26–10 reps@10
3Low To High Row 25–10 reps@10
4Chest Fly (Machine)26–10 reps@10
5Lat Pulldown25–8 reps@10
6Single Arm Row (Cable)16–10 reps@10
7Bar Pushdown25–10 reps@10
8Overhead Tricep Extension (Cable)15–10 reps@10
9Decline Sit Up (Weighted)25–12 reps@10
#ExerciseSetsRepsIntensity
1Preacher Curl (EZ Bar)25–10 reps@10
2Reverse Curl Cable Curl 15–10 reps@10
3Calf Press Machine25–10 reps@10
4Pendulum Squat24–8 reps@10
5Seated Hamstring Curl35–10 reps@10
6Single Leg Extension25–10 reps@10
7Hip Adductor (Machine)15–10 reps@10
#ExerciseSetsRepsIntensity
1Lateral Raise (Machine)25–10 reps@10
2Chest Press (Machine)25–10 reps@10
3T-Bar Row25–10 reps@10
4Shoulder Press (Machine)15–10 reps@10
5Lat Pulldown25–8 reps@10
6Dip (Weighted)25–8 reps@10
7Overhead Tricep Extension (Cable)25–10 reps@10
8Decline Sit Up (Weighted)25–12 reps@10
#ExerciseSetsRepsIntensity
1Preacher Curl (EZ Bar)25–10 reps@10
2Reverse Curl Cable Curl 15–10 reps@10
3Calf Press Machine25–10 reps@10
4Stiff Leg Deadlift24–8 reps@10
5Single Leg Extension25–10 reps@10
6Seated Hamstring Curl25–10 reps@10
7Hip Adductor (Machine)15–10 reps@10

Weeks 2–18 are in the app

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

Common questions

Yes, Nightmare is completely free to follow on Boostcamp. Download the app on iOS or Android, find the program, and start your first workout immediately. All 18 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 90 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.

Nightmare 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 18 weeks. The structure is designed so that each week builds on the last, with weights, volume, or intensity progressively increasing as you go.

Nightmare 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