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Advanced 44-Min Sprint HIIT Cardio Fat Burn

44 min
 · 
9 exercises

44 minutes of pure sprint HIIT! Vary speed, intensity, and heart rate throughout this advanced cardio workout — no equipment needed. Follow every exercise exactly as instructed, maintain laser focus, and push your cardiovascular endurance and fat burn to the limit.

Start today with a light and steady warm-up jog of 6 minutes.
Sprints exercise illustration
Sprints
3 sets
10 secs
60 sec rest
From the jog, jump into a sprint for 10 seconds and then back to a jog for 60. No need to go completely all out!
Slow right back down to a brisk 4-minute walk.
Back into a light run for 5 minutes.
Sprints exercise illustration
Sprints
3 sets
15 secs
60 sec rest
From the jog, jump into a sprint for 15 seconds and then back to a jog for 60. Repeat this 3 times.
Cut back to a light 4-minute jog.
Sprints exercise illustration
Sprints
3 sets
20 secs
60 sec rest
From the jog, jump into a sprint for 20 seconds and then back to a jog for 60. These are the final sprints!
Time to really start bringing that heart rate down.
Finish off the day with a light, 10-minute cool-down walk.

About this workout

Advanced 44-Min Sprint HIIT Cardio Fat Burn is a free 44 min workout plan with 9 illustrated exercises for your cardio and legs. Follow the workout online, save it to your WorkoutLabs Fit account or download it as a printable PDF.

Tap any exercise in the workout to see the muscles worked, clear exercise illustrations and step-by-step instructions. Each workout includes sets, reps, rest times and notes so you can follow the plan without guessing.

Workout details

  • Duration: 44 min
  • Exercises: 9
  • Training focus: Cardio and legs
  • Equipment: NO EQUIPMENT
  • Level: Advanced
  • Format: Interactive workout and printable PDF

For more ready-made training plans, try WorkoutLabs Fit. You can follow visual workouts, build your own routines, manage your training calendar and track your progress. Sign up today to claim your free week.

Questions about this workout

What equipment do I need for this workout?

No equipment is needed – every exercise in this workout uses your own bodyweight, so you can do it at home or anywhere.

How long does the Advanced 44-Min Sprint HIIT Cardio Fat Burn take?

The full workout takes about 44 minutes, covering 9 exercises with prescribed sets, reps and rest periods. Using the built-in timers and auto-advance keeps you on pace from start to finish.

Is this workout suitable for my fitness level?

This is an advanced workout designed for experienced lifters. If you're newer to training, scale it down with lighter loads and longer rests, or browse our library for a beginner or intermediate version of a similar routine.

What muscles does this workout target?

This routine primarily works your quadriceps, calves, glutes & hip flexors, hamstrings. Tap any exercise in the workout to see a muscle diagram showing exactly which primary and secondary muscles it activates.

How often should I do this workout?

For get toned, increase endurance, aim to do this workout 2–3 times per week with at least one rest day between sessions. Progress by gradually adding weight or reps, and pair it with workouts for other muscle groups during the week.

Can I download or save this workout?

Yes – you can download this workout as a free printable PDF using the download button, or save it to a free WorkoutLabs Fit account to follow it on your phone, customize the exercises and track your progress.

Advanced 44-Min Sprint HIIT Cardio Fat Burn
44 min
 · 
9 exercises
44 minutes of pure sprint HIIT! Vary speed, intensity, and heart rate throughout this advanced cardio workout — no equipment needed. Follow every exercise exactly as instructed, maintain laser focus, and push your cardiovascular endurance and fat burn to the limit.
Auto-advance Start exercises automatically
after a 5-second delay
Start workout Cancel workout
Cardio – Running / Treadmill
Cardio – Running / Treadmill exercise illustration
6 min
Set 1 of 1
Rest before next set
Get ready
321GO
Start today with a light and steady warm-up jog of 6 minutes.
Primary muscle group(s):
Quadriceps
Secondary:
Glutes & Hip Flexors, Hamstrings

No specific instructions for this exercise.

Sprints
Sprints exercise illustration
3 sets
10 secs
60 sec rest
Set 1 of 3
Rest before next set
Get ready
321GO
From the jog, jump into a sprint for 10 seconds and then back to a jog for 60. No need to go completely all out!
Primary muscle group(s):
Calves, Glutes & Hip Flexors, Hamstrings, Quadriceps
Secondary:
Abs, Chest, Middle Back / Lats, Triceps
  1. Hold your body steady in a solid, slightly-leaning-forward position.  
  2. Drive your back leg into the floor and begin by taking small, rapid steps that gradually build to bigger, explosive steps.
  3. Pump your arms and use them to pull your body forward, allow your hands to travel from hip to lip as you run.
  4. With every stride, lift your front knee while straightening your back leg completely to deliver full-bursting power.
  5. As you pass the finish line, allow your pace to slow steadily. Do not try to stop yourself instantly, you have no air bag.
Cardio - Walking / Treadmill
Cardio - Walking / Treadmill exercise illustration
4 min
Set 1 of 1
Rest before next set
Get ready
321GO
Slow right back down to a brisk 4-minute walk.
Primary muscle group(s):
Calves, Hamstrings, Quadriceps
Secondary:
Glutes & Hip Flexors
  1. After following a thorough warm-up session, stand tall on a walkway, treadmill, or other walkable area. Make sure that your chest is up, core is braced, shoulders are back, and gaze is straight ahead.
  2. Begin by placing your left foot forward then shifting your hips to move the right leg forward. Continue this back and forth motion at a pace that is ideal for you.
  3. You may also want to include small weights or a grip strengthener during your walks. Remember to maintain perfect form throughout the walk. Avoid slouching.
Cardio – Running / Treadmill
Cardio – Running / Treadmill exercise illustration
5 min
Set 1 of 1
Rest before next set
Get ready
321GO
Back into a light run for 5 minutes.
Primary muscle group(s):
Quadriceps
Secondary:
Glutes & Hip Flexors, Hamstrings

No specific instructions for this exercise.

Sprints
Sprints exercise illustration
3 sets
15 secs
60 sec rest
Set 1 of 3
Rest before next set
Get ready
321GO
From the jog, jump into a sprint for 15 seconds and then back to a jog for 60. Repeat this 3 times.
Primary muscle group(s):
Calves, Glutes & Hip Flexors, Hamstrings, Quadriceps
Secondary:
Abs, Chest, Middle Back / Lats, Triceps
  1. Hold your body steady in a solid, slightly-leaning-forward position.  
  2. Drive your back leg into the floor and begin by taking small, rapid steps that gradually build to bigger, explosive steps.
  3. Pump your arms and use them to pull your body forward, allow your hands to travel from hip to lip as you run.
  4. With every stride, lift your front knee while straightening your back leg completely to deliver full-bursting power.
  5. As you pass the finish line, allow your pace to slow steadily. Do not try to stop yourself instantly, you have no air bag.
Cardio – Running / Treadmill
Cardio – Running / Treadmill exercise illustration
4 min
Set 1 of 1
Rest before next set
Get ready
321GO
Cut back to a light 4-minute jog.
Primary muscle group(s):
Quadriceps
Secondary:
Glutes & Hip Flexors, Hamstrings

No specific instructions for this exercise.

Sprints
Sprints exercise illustration
3 sets
20 secs
60 sec rest
Set 1 of 3
Rest before next set
Get ready
321GO
From the jog, jump into a sprint for 20 seconds and then back to a jog for 60. These are the final sprints!
Primary muscle group(s):
Calves, Glutes & Hip Flexors, Hamstrings, Quadriceps
Secondary:
Abs, Chest, Middle Back / Lats, Triceps
  1. Hold your body steady in a solid, slightly-leaning-forward position.  
  2. Drive your back leg into the floor and begin by taking small, rapid steps that gradually build to bigger, explosive steps.
  3. Pump your arms and use them to pull your body forward, allow your hands to travel from hip to lip as you run.
  4. With every stride, lift your front knee while straightening your back leg completely to deliver full-bursting power.
  5. As you pass the finish line, allow your pace to slow steadily. Do not try to stop yourself instantly, you have no air bag.
Cardio – Running / Treadmill
Cardio – Running / Treadmill exercise illustration
3 min
Set 1 of 1
Rest before next set
Get ready
321GO
Time to really start bringing that heart rate down.
Primary muscle group(s):
Quadriceps
Secondary:
Glutes & Hip Flexors, Hamstrings

No specific instructions for this exercise.

Cardio - Walking / Treadmill
Cardio - Walking / Treadmill exercise illustration
10 min
Set 1 of 1
Rest before next set
Get ready
321GO
Finish off the day with a light, 10-minute cool-down walk.
Primary muscle group(s):
Calves, Hamstrings, Quadriceps
Secondary:
Glutes & Hip Flexors
  1. After following a thorough warm-up session, stand tall on a walkway, treadmill, or other walkable area. Make sure that your chest is up, core is braced, shoulders are back, and gaze is straight ahead.
  2. Begin by placing your left foot forward then shifting your hips to move the right leg forward. Continue this back and forth motion at a pace that is ideal for you.
  3. You may also want to include small weights or a grip strengthener during your walks. Remember to maintain perfect form throughout the walk. Avoid slouching.
Workout done!
Exercises done
of 9
Total time
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