A For Time workout gives you a fixed amount of work and asks you to complete it as fast as possible. Your score is the elapsed time on the clock. Because the workload never changes, For Time is the most directly comparable HIIT format — repeat the same session months later and the time difference tells you exactly what improved.
14 free workouts · bodyweight only · no account required
Run any of these on a proper interval timer with audio cues — free in the WODR iOS app.
Get the free appIn an AMRAP the work varies and the time is fixed. For Time inverts that: the work is identical every time you attempt it, so the only variable left is you. That makes these sessions the cleanest benchmark in the library. Record the time, and the next attempt is a genuine measurement rather than an impression.
It also means scaling has to be handled honestly. If you reduce the reps or substitute an easier movement, note it alongside the time — a faster result on lighter work is not a faster result.
Descending ladders such as 21-15-9 are common in this format. You perform 21 reps of each movement, then 15, then 9. The shrinking sets create a psychological pull toward the finish, and the front-loaded volume means the opening round is where most people over-commit.
Round-based versions simply repeat the same block a set number of times. Both appear among the For Time workouts below.
For Time workouts punish an aggressive start harder than any other format, because there is no clock to save you — if you redline in the first minute, the remaining work still has to be done, and it will be done slowly. Break the large sets before you are forced to. Planning to split 21 reps into 12 and 9 from the outset is almost always faster than grinding to failure at rep 16.
All four are high-intensity interval formats built from the same movements. What separates them is which variable is fixed — the time, the work, or the interval — and that single difference changes how you pace, how you score, and what the session is good for.
| Format | Structure | Rest | Score | Best for |
|---|---|---|---|---|
| AMRAP | Fixed time, open work | Self-managed | Rounds + reps | Measuring progress, mixed-ability training |
| For Time | Fixed work, open time | Self-managed | Elapsed time | Direct benchmarking across attempts |
| EMOM | New set every minute | Whatever the minute leaves | Rounds completed | Holding technique under fatigue |
| TABATA | 20s work / 10s rest × 8 | Fixed at 10 seconds | Lowest round | Maximum intensity in minimal time |