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Relentless
Intermediate–AdvancedFree

Relentless

Hybrid Strength and Running Program Designed for Advanced Users. Recommended to combine with my Ab Dominator Program.

B U.
B U.· Sep 2025
iOS & Android

Overview

Length
12 weeks
Days / week
7 days
Level
Intermediate, Advanced
Goal
Muscle, Athletics, Women's, Strength
Equipment
Full Gym
Session length
60 min
For getting ripped AND having great cardio as well. For advanced users. Combine with my Ab Dominator program.

Who it's for

Athletes at the Intermediate–Advanced level
Athletes focused on gaining both size and strength
Athletes who can train 7 days per week
Athletes with access to a full gym (barbells, dumbbells, cables, and machines)

Muscle engagement

Front
Back
Glutes
13.8%
Quadriceps
12.9%
Hamstrings
12.9%
Upper Back
9.2%
Front Delts
7.7%
Lats
7.4%
Triceps
6.7%
Abs
6.1%
Chest
4.9%
Lower Back
4.3%
Middle Delts
3.7%
Biceps
2.5%
Adductors
2.1%
Calves
1.8%
Rear Delts
1.8%
Other
1.2%
Abductors
0.9%
Week 1 Workouts
#ExerciseSetsRepsLoad
1Squat (Barbell)46 reps@8
2Romanian Deadlift (Barbell)48 reps@7
3Walking Lunge (Dumbbell)310 reps@7
4Leg Press312 reps@7
5Standing Calf Raise315 reps@8
6Ab Dominator (Optional - See The Ab Dominator Routine)20undefined min
#ExerciseSetsRepsLoad
1Run (Warm-Up)110 min@2
2Run 400m Interval10AMRAP@8
3Cooldown Run15 min@2
#ExerciseSetsRepsLoad
1Bench Press (Barbell)46 reps@8
2Barbell Row48 reps@8
3Overhead Press (Barbell)38 reps@7
4Pull-Up (Weighted)4AMRAP@8
5Lateral Raise (Dumbbell)312 reps@7
6Ab Dominator (Optional - See The Ab Dominator Routine)20undefined min
#ExerciseSetsRepsLoad
1Run130 min@8
2Run (Warm-Up)110 min@2
3Cooldown Run15 min@2
#ExerciseSetsRepsLoad
1Front Squat (Barbell)46 reps@7
2Deadlift (Barbell)35 reps@8
3Incline Bench Press (Dumbbell)48 reps@8
4Chin-Up (Bodyweight)4AMRAP@8
5Hip Thrust (Barbell)310 reps@7
6Face Pull312 reps@7
7Ab Dominator (Optional - See The Ab Dominator Routine)20undefined min
#ExerciseSetsRepsLoad
1Run160 min@6
#ExerciseSetsRepsLoad
1Rest Or Active Recovery115 min@2

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, Relentless 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.

Relentless is structured around 7 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.

Relentless 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.
Free on iOS & Android