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What kind of timer do you need for HIIT?

Use a timer that can repeat a sequence of work and rest periods. Decide the exercise, work duration, rest duration and number of rounds before you start.

The idea

Timing supports the training method.

HIIT is a training approach that commonly uses harder work periods and recovery. The timer handles the transitions; it does not decide how hard you should exercise.

A useful plan names the movements and accounts for warm-up, rests and the final interval. Two routines with the same 40/20 timing can feel very different depending on the exercises and effort.

A practical example

An exact 10-minute plan

The linked workout lists every movement and rest so you can follow it manually. Choose lower-impact versions when you want a gentler session.

  1. Get Ready — 20 seconds
  2. Round 1: five 40-second work intervals, each with 20 seconds of rest
  3. Round 2: the same five work intervals, with rests only between them
  4. Total: 10 work intervals + 9 rests + Get Ready = 10 minutes

Keep in mind

Use the idea with context.

A timer cannot judge exercise technique, fatigue or whether an intensity suits you. Adjust the movement or pace as needed.

How CrazyFit helps

Let CrazyFit call the changes.

CrazyFit can run the work/rest sequence, provide audio cues and continue the active workout in the background. It can also handle workouts that are not HIIT.

Try CrazyFit on Google Play
CrazyFit workout builder showing a HIIT interval sequence

Build it. Run it. Track it.

Put what you learned into motion.

Use CrazyFit to create, follow and review workouts that fit your training.

Try CrazyFit on Google Play