Quick Answer: The Juggernaut Method is a wave-based periodization program created by Chad Wesley Smith that uses four ascending intensity waves and AMRAP "plus" sets to auto-regulate volume and drive long-term strength gains. It's ideal for intermediate and advanced lifters who need more than simple linear progression. Track every wave and AMRAP result in Gladiator Lift to automatically project your next training max.
What Is the Juggernaut Method?
The Juggernaut Method was developed by Chad Wesley Smith—a decorated powerlifter and thrower—and published in his 2012 book of the same name. It was designed to bridge the gap between simple beginner programs and complex periodization models used by elite powerlifters.
The defining features are four ascending intensity waves and AMRAP (as many reps as possible) sets at the end of each wave's top set. Those AMRAP sets serve two purposes: they accumulate quality training volume and they provide data to recalculate your training max for the next wave.
The program runs on a four-day-per-week schedule, treating squat, bench press, deadlift, and overhead press as the four primary lifts—one per day. Each lift goes through the same four-wave cycle over 16 weeks before the training maxes are recalculated and a new 16-week block begins.
The Four-Wave Structure
Each 16-week block consists of four four-week waves. The waves progress from high-rep/lower-intensity to low-rep/high-intensity, building a natural base of volume before the most demanding, heaviest work arrives.
| Wave | Rep Target | % of Training Max | Character |
|---|---|---|---|
| Wave 1 (Accumulation) | 10s | 60–70% | High volume, moderate intensity |
| Wave 2 (Intensification) | 8s | 70–75% | Moderate volume, moderate-high intensity |
| Wave 3 (Realization) | 5s | 75–85% | Moderate volume, high intensity |
| Wave 4 (Peaking) | 3s | 85–92.5% | Low volume, very high intensity |
Within each four-week wave, the sets and percentages escalate week by week before a deload week resets fatigue.
Wave 1 – Tens Wave (Weeks 1–4)| Week | Sets × Reps | % Training Max |
|---|---|---|
| 1 | 3×10 | 60% |
| 2 | 3×10 | 65% |
| 3 | 1×10+ (AMRAP) | 70% |
| 4 | Deload | 40–50% |
| Week | Sets × Reps | % Training Max |
|---|---|---|
| 5 | 3×8 | 70% |
| 6 | 3×8 | 72.5% |
| 7 | 1×8+ (AMRAP) | 75% |
| 8 | Deload | 40–50% |
| Week | Sets × Reps | % Training Max |
|---|---|---|
| 9 | 3×5 | 75% |
| 10 | 3×5 | 80% |
| 11 | 1×5+ (AMRAP) | 85% |
| 12 | Deload | 40–50% |
| Week | Sets × Reps | % Training Max |
|---|---|---|
| 13 | 3×3 | 82.5% |
| 14 | 3×3 | 87.5% |
| 15 | 1×3+ (AMRAP) | 92.5% |
| 16 | Deload | 40–50% |
AMRAP Sets Explained
The AMRAP set is the most important set in any Juggernaut wave. On the third week of each wave, instead of stopping at the prescribed rep count, you push for as many reps as possible with that day's percentage.
The reps you achieve on the AMRAP set feed directly into your training max recalculation for the next 16-week block. Smith uses a simple formula: calculate the implied 1RM from your AMRAP performance, then take 90% of that as your new training max.
For example: if your training max on squat is 300 lb and you hit 8 reps at 85% (255 lb), your implied 1RM is approximately 340 lb. Your new training max becomes 90% × 340 = 306 lb.
AMRAP execution tips:- Stop two reps short of technical failure. The goal is data and volume, not a PR grind.
- Record your reps accurately. One miscount derails your next block's percentages.
- Don't sandbag. Deliberately hitting fewer reps than you're capable of inflates your next block's effort requirements.
Full Program Template
Weekly Training Schedule| Day | Primary Lift | Secondary Focus |
|---|---|---|
| Monday | Squat | Quad-dominant accessories |
| Tuesday | Bench Press | Chest/shoulder accessories |
| Thursday | Deadlift | Posterior-chain accessories |
| Friday | Overhead Press | Shoulder/tricep accessories |
Assume training max = 300 lb
| Set | Weight | Reps |
|---|---|---|
| Warm-up 1 | 135 lb | 5 |
| Warm-up 2 | 195 lb | 3 |
| Warm-up 3 | 240 lb | 1 |
| Working Set 1 | 255 lb (85%) | AMRAP (target 5+) |
After the AMRAP, perform 3–4 supplemental back-off sets at 60–70% for additional volume if energy allows.
Accessory Work
Accessory work in Juggernaut is flexible and auto-regulated. Smith prescribes categories rather than specific exercises, allowing lifters to address personal weaknesses.
Recommended accessory categories:- Squat day: Leg press, lunges, leg curl, back extensions (3–4 sets, 8–15 reps)
- Bench day: Dumbbell press, dips, cable flyes, face pulls (3–4 sets, 10–15 reps)
- Deadlift day: Romanian deadlift, good mornings, pull-throughs, lat pulldown (3–4 sets, 8–12 reps)
- OHP day: Lateral raises, skull crushers, tricep pushdowns, band pull-aparts (3–4 sets, 10–20 reps)
Managing Fatigue and Deloads
Built-in deload weeks (weeks 4, 8, 12, 16) are not optional. Skipping them in the name of more training accumulates systemic fatigue that erodes performance during the heavy weeks that follow.
On deload weeks, reduce all working weights to 40–50% of training max and cap sets at 3×5. The goal is active recovery—maintaining movement patterns while the nervous system and connective tissue recover.
Signs you need an extra deload beyond the programmed ones:- Bar speed is noticeably slower on sub-maximal sets
- Persistent joint soreness that doesn't resolve after 48 hours
- Sleep quality has deteriorated despite no lifestyle changes
- Motivation to train is consistently low for more than a week
If any of these signs appear, insert an unplanned deload before proceeding to the next wave's heavy weeks.
Logging Juggernaut in Gladiator Lift
The wave structure and AMRAP recalculation of Juggernaut are exactly the type of data that Gladiator Lift handles elegantly. Set up your four primary lifts with their current training maxes, and the app auto-calculates each week's target weights across all four waves.
After each AMRAP set, log your actual rep count in Gladiator Lift. The app uses your performance to suggest an updated training max for your next block—no manual spreadsheet calculations needed.
The visual progress dashboard shows your AMRAP rep counts across all four waves, making it immediately obvious whether you're gaining strength (reps trend up at the same percentage) or stalling (reps trend down). This long-view data is invaluable when deciding whether to run another full 16-week Juggernaut block or transition to a peaking program before a competition.