Beginner3 days/weekNo equipment

Bodyweight HIIT Workout (3 Days)

High-intensity, no-equipment conditioning to build stamina and burn calories.

Days per week: 3
Session length: ~25 min
Equipment: No equipment
Experience: Beginner
Goal: General fitness
Run it for: 6–8 weeks

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Overview

Fast, sweaty, no-equipment interval workouts. Each exercise is a timed set of hard work, followed by a short rest, so your heart rate stays high and the sessions stay short.

Three different sessions rotate lower-body power, upper-body and core work, and full-body cardio, so you build stamina and burn calories without repeating the same moves every time.

Who it's for

Anyone who wants to improve cardio fitness without a gym
People who get bored with steady running or cycling
Busy people who want a hard workout in under 30 minutes

Not ideal if…

People whose main goal is building muscle. Pair this with a strength program, or use the 4-Day Calisthenics Upper/Lower.
Anyone with joint pain from jumping. Swap jumps for marching or step-out versions.

Weekly schedule

HIIT A Monday, HIIT B Wednesday, HIIT C Friday.

MonHIIT A
TueRest
WedHIIT B
ThuRest
FriHIIT C
SatRest
SunRest

The workouts

HIIT A

lower-body power

Exercise	Sets	Reps
Jump squat	4	30 sec
Skater hop	4	30 sec
Bodyweight lunge	4	30 sec
Mountain climbers	4	30 sec
Wall sit	2	45 sec

HIIT B

upper body and core

Exercise	Sets	Reps
Push-ups	4	30 sec
Bear crawl	4	30 sec
Plank	4	30 sec
Burpees	4	30 sec
Bicycle crunch	3	30 sec

HIIT C

full-body cardio

Exercise	Sets	Reps
Burpees	4	30 sec
Air squat	4	30 sec
Mountain climbers	4	30 sec
Jump squat	4	30 sec
Push-Up plank hold	3	30 sec

How to run it

Warm up: 5 minutes of easy movement (marching, arm circles, bodyweight squats), then one easier set of the first exercise.
Choosing a weight: Pick the version of each exercise you can do for the target reps with good form and about 2–3 reps left in the tank. Use easier versions (incline push-ups, shallower lunges) until you can.
Rest between sets: 30 seconds between sets, 1–2 minutes between exercises.
Progression: Fit more reps into each 30-second set as you get fitter. After 3–4 weeks, shorten rest to 20 seconds or work for 40 seconds instead of 30.
How long to run it: Follow it for 6–8 weeks, as long as you keep making progress. If most of your lifts stall for two weeks in a row, take an easier week at about 60% of your usual weights, then keep going.
Track every session: Write down the weight and reps for every set. You need last session's numbers to know what to do today, and seeing them climb is the best motivation there is.

Tips

Go hard but stay in control. Good form at speed matters more than the rep count.
Land softly on every jump, with your knees tracking over your toes.
Count your reps in each set and try to beat your number next time. That is how you know you're getting fitter.

Questions

Is HIIT good for fat loss?

HIIT burns a lot of calories for the time it takes, but fat loss mostly comes from your diet. Use HIIT with a modest calorie deficit and daily steps.

Can I do HIIT every day?

Three sessions a week is the sweet spot. HIIT is demanding, and more isn't better if you're too tired to push hard.

Can I combine this with a strength program?

Yes. Do HIIT on separate days or after strength training, not before it.

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