Jim Wendler's 5/3/1 is the most popular intermediate strength program ever created — and for good reason. It's simple, durable, and built around a core principle that most lifters forget: leave something in the tank every session so you can come back stronger next time.
This guide covers everything you need to run 5/3/1 correctly: setting your training max, understanding the rep scheme, choosing assistance work, and knowing when to reset.
■The Core Principle: The Training Max
The biggest mistake beginners make with 5/3/1 is setting their training max too high. Wendler explicitly tells you to start with 90% of your estimated 1RM — and he means it.
Use the 5/3/1 Training Max Calculator to set your training maxes for each of the four main lifts:
- ■Squat
- ■Bench Press
- ■Deadlift
- ■Overhead Press
Your training max is the number all percentages are calculated from. It is not your goal weight. It is deliberately conservative so that the early weeks feel easy. That's the point.
■The Wave Structure
5/3/1 runs in 4-week waves. The first three weeks progress in both percentage and prescribed rep range. Week 4 is a deload.
| Week | Sets × Reps | Percentages |
|---|---|---|
| Week 1 | 3 × 5 | 65%, 75%, 85% |
| Week 2 | 3 × 3 | 70%, 80%, 90% |
| Week 3 | 3 × 3/3/1+ | 75%, 85%, 95% |
| Week 4 (Deload) | 3 × 5 | 40%, 50%, 60% |
The + symbol on the final set of each week means "as many reps as possible" (AMRAP). You are expected to exceed the minimum rep target. Week 3's final set should feel like a heavy single that you then try to get as many reps as possible with — this is where your real training happens.
■After Each Wave: Add Weight
At the end of every 4-week wave, add weight to your training maxes:
- ■Upper body lifts (bench, OHP): +5 lbs
- ■Lower body lifts (squat, deadlift): +10 lbs
These small jumps are the secret to 5/3/1's longevity. They feel insignificant in week one. Over a year, they compound into substantial strength gains without the program ever feeling overwhelmingly hard.
■Assistance Work: The "Big But Boring" Template
Wendler recommends dozens of assistance templates. For most lifters, Boring But Big (BBB) is the right starting point:
After each main lift, perform 5 sets of 10 reps of the same movement (or a related variation) at 50% of your training max:
- ■Squat day: 5×10 squats at 50% TM
- ■Bench day: 5×10 bench at 50% TM
- ■Deadlift day: 5×10 deadlifts at 50% TM
- ■OHP day: 5×10 OHP at 50% TM
Add supplemental accessory work for pulling (rows, pull-ups) and abdominal training. Keep it simple. 5/3/1 works because of the main lifts, not because of exotic accessory exercises.
■When to Reset
If you fail to hit the minimum reps on the + set two sessions in a row, it's time to reset. Drop your training max back by 10–15% and build back up. This happens to everyone eventually. The reset is not a failure — it's the program working as designed.
"Start light, progress slowly, and break records." — Jim Wendler
■Common Mistakes
Training max too high. If your 85% feels like 100%, your training max is wrong. Set it correctly using 90% of your actual estimated 1RM from a recent test or calculator.
Skipping the deload. Week 4 is not optional. It's what allows the program to run for years without burning you out.
Ego-lifting the AMRAP sets. The + set is a test, not a max effort. Stop 1–2 reps before true failure. You need to walk in fresh next week.
Adding too much assistance. More is not better. Three movements per session maximum. Get the main work done, do your supplemental sets, and go home.
■Is 5/3/1 Right for You?
5/3/1 is built for intermediate lifters who have learned the big four movements and need a long-term structure. If you're a true beginner, run a linear progression program (Starting Strength, GZCLP, StrongLifts) until progress stalls. Then move to 5/3/1.
If you're training for powerlifting and need to peak for a meet, 5/3/1 can work but you may want a more competition-specific program for the final 8–12 weeks.
For everyone else — intermediate lifters who want to get consistently stronger over the long term without complex periodization — 5/3/1 is as good as it gets.
Calculate your training maxes with the 5/3/1 Training Max Calculator and get started.