HIIT Blast is a 10-workout Cardio program led by Natalia Gunnlaugs on StarFit. Total duration: 232 minutes. HIIT Blast is an intense, high-energy workout program designed for intermediate to advanced athletes ready to take their fitness to the next level. With 10 sessions, each lasting 20 to 30 minutes, this program targets all major muscle groups, combining fast-paced intervals to burn fat, tone muscles, and enhance strength and endurance. Whether you’re looking to burn fat, sculpt lean muscle, or boost your overall fitness, HIIT Blast delivers real, noticeable results. If the intensity feels overwhelming, you can scale down the movements or take a few extra seconds between intervals, but the key is to push through and complete each session for maximum results.
HIIT Blast
with Natalia Gunnlaugs
Certified Instructor
10 guided sessions, 23 min each
No gym needed. Train at home, anytime.
Free with membership, or $18.99 one-time
Led by certified trainers · backed by our results guarantee
Why Choose This Program
- Free for StarFit members, or $18.99 one-time purchase
- Self-paced. No deadlines, no pressure. Move at your speed.
- Works on any device. Phone, tablet, laptop, TV.
- Loved by thousands of women who chose gentle movement over punishment.
About This Program
HIIT Blast is an intense, high-energy workout program designed for intermediate to advanced athletes ready to take their fitness to the next level. With 10 sessions, each lasting 20 to 30 minutes, this program targets all major muscle groups, combining fast-paced intervals to burn fat, tone muscles, and enhance strength and endurance. Whether you’re looking to burn fat, sculpt lean muscle, or boost your overall fitness, HIIT Blast delivers real, noticeable results. If the intensity feels overwhelming, you can scale down the movements or take a few extra seconds between intervals, but the key is to push through and complete each session for maximum results.
How does it work?
Press play
Each session starts with a guided warm-up. Follow along at your pace.
Build day by day
Sessions build on each other gently. By session 7, you will feel the difference.
Track your growth
Your Growth Garden blooms with every completed session. Watch your progress come alive.
Meet Your Trainer
Natalia Gunnlaugs
- Certified [object Object] Instructor
- 16+ guided sessions on StarFit
- Known for [object object] and [object object] coaching
- Form-Focused
More from Natalia Gunnlaugs
What Members Say
I have tried Peloton, Alo Moves, YouTube. This is the first thing I have stuck with past a month. The Growth Garden is weirdly motivating.
Good program for beginners. I needed something gentle after physical therapy and this hit the right level. Could use a few more variations.
My doctor recommended movement for perimenopause symptoms. After 4 weeks, my sleep is better and the hot flashes are less intense. Not a cure but a genuine help.
Three weeks in and my lower back pain is honestly gone. I was skeptical because every program promises that. This one delivered.
Your body is ready for something gentle.
Five minutes a day. No gym, no equipment, no judgment. Start today and feel the difference by next week.
Common Questions
Kate — Customer Happiness
Questions? Our care team is here for you. support@starfit.com
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